If your 65 hp Johnson is running in the 100-150 psi range, this would be acceptable, and the engine should still perform well on todays fuel. Disconnect the yellow wires from the stator to the rectifier and retest. Valve movement is coordinated with the timing of piston movement using a timing belt or timing chain. The reason it's running better with more timing may be making more real time available to burn off extra fuel. How to video repair help for OMC sterndrives. June 24, 2021 at 10:46 am #241126. Trimming the outboard up too much while underway or in turns can cause the water pickups to ingest air - this causes a sudden loss of water pressure - not a good thing. This timing is controlled by the lobes of the camshaft. Either the lift pump has failed, the boat is out of fuel or there is an air leak or blockage somewhere in the fuel lines running fuel from the tank to the engine. Outboards sold by Mercury Marine in the United States are certified to the United States Environmental Protection Agency as conforming to the requirements of the regulations for the control of air pollution from new outboard motors. Advancing the timing will make the power band hit harder in the mid range but fall flat on top end. When the fuel pump has a problem, spark plugs or coil packs are faulty, you would observe similar. While some of these symptoms could also be signs of other engine issues, watch out for these symptoms of bad TPS, or throttle position sensor. What to service in an outboard motor. And, if you advance the timing too much in a 2-stroke (or a 4-stroke engine) you raise the cylinder pressure too early, reducing the peak RPM, but enhancing the mid-range, making the engine pull harder at lower RPM, but maybe you lose peak power because the engine won't rev up to the maximum. Engine Overheating: A hot engine is more likely to suffer spark knock than one which runs at normal temperature. Tried pumping bulb under load and no difference (in fact seemed to slightly bog down. There are a bunch of potentially goofy things in an outboard linkage - ie loose bolts on an arm such that something doesn't consistently hit the stop, the swivel on the trigger assembly breaking or popping out (that would give you 0 degrees at WOT since the trigger wouldn't move). Cylinder-to-cylinder compression readings that differ more than 10% reveal trouble. Tighten locknut. It provides the quiet, efficiency and cleanliness many customers associate with the 4-stroke outboards, combined with the torque, throttle response, quick acceleration and raw power associated with the 2-stroke outboard. The coil on your outboard is a sealed unit. MODELS SERVICE MANUAL Mercury/Mariner 4 ⋅5 ⋅ 6 (4-Stroke) 0R000001 and Above Starting Serial Numbers Printed in U. A faulty or failing trigger can cause one or more symptoms. Why is my Yamaha outboard overheating? A: A faulty water pump is a major cause of overheating-related outboard engine failures. My question is, Can a stator and/or timerbase replacement be performed without. Our Price: $44. Mar 21, 2013 · 2,361 Posts. Water pump failure can also be caused by a defective heat exchanger, though this is harder to check. Southcentral Outboards 14 North 2nd Street • Altamont, IL 62411 (618) 487-9499. 5 to 1 power mixture; a high performance engine with improved combustion chamber design such as a Pro-Stock or a Winston Cup. book 1 ページ 2013年4月29日 月曜日 午前10時34分. The leak will cause a lower pressure in your exhaust system. That will load the engine and no two stroke likes to be run under a hard load. Car was jump started on reverse polarity. Since a strong spark from the plugs is necessary to start the engine, one of the most obvious indications of faulty spark plugs is that the car struggles to start. What to service in an outboard motor. If that does it, choke the outboard to stop it & take corrective action. What kind of damage can this cause long term/shor. Hi i have just got in the last 2 weeks, a bf 20HP short shaft tiller control. Remove lower unit & gearbox oil, Inspect for water in oil and excess metal on gearbox plug. Oddometer: 16,350. Look at the light for a while to see if it coincides with the knock. The head would have to be removed and the only way valves crash is if the timing belt slips or breaks. We explore the three big issues that. Poor Fuel Economy. What Will Happens When a Timing Chain or Belt Breaks While Driving; 5 Symptoms of Water in the Car Gas Tank and Tips to Fix; The Advantages of Variable Valve Timing Engine in the Car; Top 3 Causes. Mar 21, 2013 · 2,361 Posts. TIPS: On CD systems, 250+ volts travel to the key switch, thru a black wire with a yellow stripe. The coil on your outboard is a sealed unit. 08-29-2017, 08:05 PM. Normally, a combination like that would want nearer to 40° advance. It helps in starting the engine by performing two functions: 1. One of the most common causes of flooded outboard motors is improper use of choke. Sure you WILL notice symptoms when it's too late (!) but there are signs before that. Why Ignition Timing Is So Important for 2-Stroke Engines. This tool works with the ignition system to time all of the OIS 2000 Optical Ignition Systems. Dec 06, 2011 · Mercury EFI outboard problem. com 61 Johnson/Evinrude 60° 6 Cylinder Optical Ignition (OIS 2000) Carbureted 1991-2006 Model Years Due to the differences in this ignition system, troubleshooting can be somewhat difficult if you are not familiar with the design. Coolant leak. This manual describes the operation and maintenance of the Honda BF 75A and BF 90A Outboard Motors. What Are the Symptoms of a Bad Coil on an Outboard Moto September 2020 When your outboard motor has a bad coil, you could face trouble starting the engine, no spark at the plug and misfires. Car won't accelerate, lacks power when accelerating, or accelerates itself. Most outboard manufacturers. Steady low between 5-10 "hg vacuum: This indicates that the engine's intake manifold or the intake gasket is leaking. The leak will cause a lower pressure in your exhaust system. Ignition system problem causing a, weak spark. There are many symptoms of a failed throttle position sensor. Each time the magnet passes, the trigger sends a low voltage "signal" to the switchbox. Engine turning off for no reason. Jun 06, 2008 · Jun 18, 2009. Why is my Yamaha outboard overheating? A: A faulty water pump is a major cause of overheating-related outboard engine failures. first of all it has a hard time starting even with a new, fully charged and recently tested battery. The engine should snap right back to a steady 17- 21 "hg vacuum. Southcentral Outboards 14 North 2nd Street • Altamont, IL 62411 (618) 487-9499. Decreased acceleration. And, if you advance the timing too much in a 2-stroke (or a 4-stroke engine) you raise the cylinder pressure too early, reducing the peak RPM, but enhancing the mid-range, making the engine pull harder at lower RPM, but maybe you lose peak power because the engine won't rev up to the maximum. Beside this, what are the symptoms of a bad timing? Symptoms Of A Failing Or Broken Timing Belt. The check engine light is one of the most common symptoms of bad Coil Packs. IMPORTANT: A check for water intrusion should be performed on all new Marine Engines with thru transom and Thru Hull Exhaust Systems. Modern outboard boat motors have become very complex, and this is a major reason you see so many hanging on to the less sophisticated and older models. The symptoms of a bad mass air flow sensor include low engine power, poor fuel economy, an engine that won't start, a check engine light on the dash and a gas smell from the exhaust fumes. If resetting the timing to stock specifications does not help, retarding timing a couple of degrees may be necessary to eliminate knock. The below considers a basic two stroke outboard motor and what to service each year. Here are the most common symptoms of a bad ECU: Check Engine Light stays on after resetting. Quality reproduction ignition timing tools made just for you. 6 hp CD Series. Set float to factory specs, usually a seam on the float is parallel to the fuel bowl seam. 1989 and newer 2. BF35A, BF40A/D, BF45A, BF50A/D Engines. Going only by this aspect of combustion it would be ideal for the CDI to increase the °BTDC of the timing as the rpms increase, in a linear fashion. 225XXL SALTWATER. You save $7. Beside this, what are the symptoms of a bad timing? Symptoms Of A Failing Or Broken Timing Belt. The timing belt is attached by way of a series of pulleys. ETec, Johnson, Evenrude, Ficht, Cobra, and all other marine motors, Honda, Suzuki, Nissan, Pleasurecraft, and more. Here is a more detailed list of the 6 most common symptoms of a bad water pump. The link for the remote start is here:https. There can be many reasons why a 9. Suzuki Model Number Location Suzuki Outboards. There's a number of baffles in the exhaust hsg, but I don't think there's any extra water injection. If you don't have to change any shims or make any adjustments, well great! #18. 1972 6hp Fisherman. They dont 'suck' the mixture (at least not much) like a 4 stroke: the suction part takes place in the crankcase as the piston rises; as it comes down again it compresses it and forces it in to the cylinder when the ports open. I have gone thru that very thing more than once when checking points without removing the magneto. Gear shifter cable problems affect the transmission, linkage and clutch. Bushings that can crack and fall out retarding timing. In order to trouble-shoot your outboard engine, you need to have a good understanding of how it works. Every electric start outboard has an ignition switch and it will open and shut the starter solenoid. 400/800/Stringer and Cobra exploded view drawings. The most common cause of flooding is dirt in the needle & seat. Steady low between 10-15 "hg vacuum: This reading indicates late valve timing. Like all mechanical equipment, Mercury motors can exhibit issues, ignition problems being some of the most. Take a video of it and post it if you can. I have gone thru that very thing more than once when checking points without removing the magneto. Clean or change the filter screens with which every outboard is equipped. Car was jump started on reverse polarity. More often than not, your engines computer will be able to detect bad Coil Packs in your Fit. It could be timing, it could be an oil seal, the pistons rings, it could be carb or intake related, or it could be your oil pump if you have one. An accurate diagnosis often depends on the expertise of a skilled technician. A failing camshaft sensor can be identified based on any one of the three following symptoms. How to Test an Outboard Fuel Pump Turn off your main electrical cutoff switch that governs motor ignition. It will lead you through all test necessary to determine any ignition fault. Symptoms such as these may or may not be due to the head gasket. Hi I have a Johnson 115 HP 1973 model 115ESL73M I install a new capacitive discharge module on my motor Its better but I still get a occasional miss The johnson service manual says after replacing that part its a good idea to check the timing my low idle should be 5 deg for me to get it there I end up with a very high idle. Going only by this aspect of combustion it would be ideal for the CDI to increase the °BTDC of the timing as the rpms increase, in a linear fashion. Purpose-built from the ground up to withstand the rigors of offshore. 4832 VICE 1. A leaking exhaust system affects your F150 in many ways. Moved it lower and engine slowed down even more. If the ignition now fires, replace the rectifier. Materials: soft cloths, lower-unit lubricant, replacement nuts and bolts as required, waterproof marine grease, replacement spark plugs, replacement fuel filter element, car wax, fresh fuel and oil. Old and Vintage 7. Look at the light for a while to see if it coincides with the knock. When too much slack is in the shifter cable, the gear lever will feel loose or delay the engagement of the. Since a 2 stroke has combustion once every crank cycle (whereas the 4 stroke combusts. Way2Slow I have a 1997 Evinrude 225 Vindicator. The only way to tell is to look for other signs or to go through the problems one by one, I'm in the same boat as you right now and it sucks. An accurate diagnosis often depends on the expertise of a skilled technician. If the timing is close to TDC (top-dead-center) it is possible to catch the piston just at the wrong time with the result that the engine runs backward. Published valve timing is only a suggested starting point based on dyno testing and track experience. TIPS: On CD systems, 250+ volts travel to the key switch, thru a black wire with a yellow stripe. Variable Valve Timing is utilized on many of Suzuki's highend outboards to deliver high performance across the outboard's full powerband while retaining the benefits that four-stroke technology provides. Disconnect the yellow wires from the stator to the rectifier and retest. I then trim in and give it gas, and the engine just bogs at about 2000 rpm for about 1/4 mile before taking off with a good holeshot. Disconnect the black yellow kill wire and retest. One of the best ways to tell if your outboard motor is overheating is by checking the dash gauge. Dec 13, 2000 · On single and double overhead cam engines, the cams are driven by the crankshaft, via either a belt or chain called the timing belt or timing chain. When the fuel pump has a problem, spark plugs or coil packs are faulty, you would observe similar. Symptoms of bad marine spark plugs. NGK spark plugs come pre-gapped. Check the voltage on the red and white Ignition wires at the CD Unit. In the early 1970's, when you could still get good gasoline, outboard compression in the 180-190 psi range was common. If it does, it is valve train related. If the over-pressure was very high it's possible that a seal is. It is one kind of automotive electronic ignition system, used in motorcycles, outboard motors, chainsaws, lawnmowers, turbine-powered aircraft, small engines, etc. ; Two Teeth: It will sound like somethings "knocking" which is likely the pistons kissing the valves. The 6 most common symptoms that your car's spark plugs require replacement are as follows: 1) Hard to Start. The cause of this unique problem with 2-stroke engines is the ignition timing. But, if the noise seems twice as fast, it is probably in the:. Hook up the timing light to any one cylinder and watch the flash. Symptoms such as these may or may not be due to the head gasket. See related links to what you are looking for. Honda BF2D outboard motor is designed for use with boats that have a suitable manufacturer's power recommendation. 3) Burning Odor. Repeat for cylinders 2-6. 1975 mercury outboard 650 Not rated yet was backfiring. One of the best ways to tell if your outboard motor is overheating is by checking the dash gauge. When these parts fail the camshaft stops turning which causes the intake and exhaust valve not to open and close. The symptoms of a sheared flywheel key range widely from a barely noticeable misfire to a no-start condition. The reason it's running better with more timing may be making more real time available to burn off extra fuel. If you would like to check the gap, you can do so with a gap gauge. When you crank the engine over with the remote starter and check the timing, you will notice the timing is set to approximately 4°- 6° ATDC (after top dead center). Symptoms of a timing belt that has jumped/skipped a few teeth: One Tooth: It will idle like normal and the exhaust will sound fine but cruise and WOT the car will feel like you've got no power and in most cases will hesitate and misfire. The previous symptom happens when the belt has worn out but this problem of not starting at all. If the over-pressure was very high it's possible that a seal is. Since a strong spark from the plugs is necessary to start the engine, one of the most obvious indications of faulty spark plugs is that the car struggles to start. If it does, it is valve train related. The reason it's running better with more timing may be making more real time available to burn off extra fuel. Variable Valve Timing is used to vary intake timing with the camshaft to optimize timing for low to mid-range operation. Advanced timing can cause engine overheating. This tool works with the ignition system to time all of the OIS 2000 Optical Ignition Systems. The model number tag is located on the top outside edge of the CLAMP BRACKET; or, on top of the SWIVEL BRACKET (port or starboard). It happens because the mixture gets ignited even when the cylinder is still trying to compress the air-fuel blend. Honda: 5 Symptoms of a Bad Fuel System. Check the voltage on the red and white Ignition wires at the CD Unit. If the voltage is less than 9 1/2 volts during cranking there is a problem in the battery s or the Ignition switch Box. These mentioned symptoms can be confusing and one has to be careful before concluding that the problem is with the CDI. Typically fuel and air mixture cause problems, as does electrical issues. How to video repair help for OMC sterndrives. Outboard Tools. By advancing the throttle all the way and rechecking the timing for WOT (wide open throttle), you should see approximately 19° - 20° BTDC (before top dead center). 00; Timing Tool $ 40. Oddometer: 16,350. OMC 400/800 parts & Mercruiser outdrive online catalogs. 08-29-2017, 08:05 PM. Honda: 5 Symptoms of a Bad Fuel System. [T]he [VRO] pump has been disconnected. Published valve timing is only a suggested starting point based on dyno testing and track experience. Drain Screw Gasket - Blue , Mercury - Mercruiser 12-19183-3 Used with the 3/8 - 16 drain/fill screw found on all Mercruiser and most Mercury/Mariner outboards except those of Japanese origin. Here are some common symptoms of a bad or failing throttle position sensor to watch for: 1. When a faulty air filter is replaced, this puts a temporary stop to further debris damage, but it does not reverse damage once it has occurred. Depending on your vehicle model, your engine might experience one or more of these performance problems: Rich air-fuel ratio. Each time the magnet passes, the trigger sends a low voltage "signal" to the switchbox. Johnson is a well known and well respected name when it comes to outboard motors, but sometimes these boat motors do need maintenance. You save $7. Symptoms are often worsened as the engine warms up. The spark plug is what "fires" the engine. What is a Capacitor Discharge Ignition System?. A failing camshaft sensor can be identified based on any one of the three following symptoms. I thought I might some water in the fuel system. By advancing the throttle all the way and rechecking the timing for WOT (wide open throttle), you should see approximately 19° - 20° BTDC (before top dead center). Service Engine Soon Light. June 24, 2021 at 10:46 am #241126. Check the voltage on the red and white Ignition wires at the CD Unit. The symptoms of a sheared flywheel key range widely from a barely noticeable misfire to a no-start condition. Outboard issue Brought my oldest on a 50 mile trip around our bay here on Saturday we had a great time. Maybe one cylinder or more fails to fire. Listed below are a few common symptoms that might indicate that your timing belt is wearing out or has broken - which will require a local ASE certified mechanic to replace the timing belt and inspect other internal engine components for damage. Car was jump started on reverse polarity. 56' Johnson CD13a 5. My yamaha f115 will produce a squeal that sounds like a bad timing belt at 1000-1500 rpm. Poor Fuel Economy. In between these extremes the engine may misfire noticeably, run rough, backfire, be difficult to restart hot, or lack power. That is full advanced. For more than 30 years, Yamaha Outboards have delivered far more than superior power, performance and efficiency. Clean or change the filter screens with which every outboard is equipped. A bad manifold absolute pressure (MAP) sensor can upset fuel delivery and ignition timing. Modern outboard coils consist of two windings around an iron core. Some automakers recommend changing a timing belt. Built a DVA adapter for my fluke meter and plan to get to it Labor day weekend. What kind of damage can this cause long term/shor. Squealing noise. Rated at more than 200 horsepower, the 200 APX outboard offers racers a very durable powerhead and the latest in four-stroke engine technology, while reducing exhaust emissions by 90 percent compared to. The first symptom of a failing camshaft sensor manifests as a warning from the car's control module. There are variables that may call for different valve timing in your specific combination. Jun 18, 2005 · Check if you are running with enough amount of fuel, with engine running, a WOT press the primer and watch what going to happen, if the engine drops RPM in 2 seconds, that mean your fuel supply are OK and your primer system working. Overheating ECU. This tool works with the ignition system to time all of the OIS 2000 Optical Ignition Systems. OMC 150 HP Outboard Ignition Parts. 2003-2006 Yamaha 2. Intermittent starting problems. Mercury 40hp 50hp 60hp Efi Outboard Motor 2002-2004 Service Repair Workshop Manual Download Pdf Download Now. Dec 23, 2020 · 3. Outboard issue Brought my oldest on a 50 mile trip around our bay here on Saturday we had a great time. Oddometer: 16,350. The timing belt is located under a timing cover and is in the front of the engine. A faulty or failing stator can cause one or more symptoms. 6 litre cars. If you don't get the valve replaced immediately, your car will become undriveable. In between these extremes the engine may misfire noticeably, run rough, backfire, be difficult to restart hot, or lack power. Advancing the timing will make the power band hit harder in the mid range but fall flat on top end. Forum for free technical help, advice, troubleshooting for all genuine Evinrude outboard boat engines. Outboard timing symptoms. 13-BLOW-BY This piston didn't fail in operation but it does show the most common problem, blow-by. You save $7. There can be many reasons why a 9. In a situation where the ignition timing is retarded too far, the plugs ignite the fuel too late, allowing it insufficient time to burn completely. Are there any engines I should avoid? I have been seeing a lot of used Yamaha's in my range. Why Ignition Timing Is So Important for 2-Stroke Engines. Mercury Marine, based in Wisconsin, has been making Mercury outboard motors in two- and four-stroke versions ranging from 2. 5 timing issue. The most common hazards are discussed below, along with the best way to protect yourself and others. Ignition Coil, Johnson, Evinrude 1957-1990 (2 - 6 HP Engines with points and condenser ignition) 582995, 584477. Listed below are a few common symptoms that might indicate that your timing belt is wearing out or has broken – which will require a local ASE certified mechanic to replace the timing belt and inspect other internal engine components for damage. Inside is a "TIMING" chip which controls the length of the spark and also its timing relative to the RPM. By Charlie Gaston - March 13, 2015 This article applies to the Honda Accord (1990-2002), and Civic (1992-2000). Materials: soft cloths, lower-unit lubricant, replacement nuts and bolts as required, waterproof marine grease, replacement spark plugs, replacement fuel filter element, car wax, fresh fuel and oil. If you would like to check the gap, you can do so with a gap gauge. The symptoms of a sheared flywheel key range widely from a barely noticeable misfire to a no-start condition. The reason it's running better with more timing may be making more real time available to burn off extra fuel. Read this manual carefully before operating this outboard motor. Four stroke/cycle engines produce much higher compression. Apparent loss of spark. Our Price: $44. 8 Mercury Parts are all here plus worldwide shipping! Cheap Mercury outboard Parts Galore! You have found the home of the most Fresh water used mercury outboard parts for sale in one place! Older Mercury outboard parts are not obsolete mercury outboard parts at Green Bay Prop. Leaking Exhaust Symptoms: Ford F150. Other possible causes could be low compression, vacuum leak, overly retarded timing, or improper spark plug heat range. Bad Flywheel Symptoms. Mar 21, 2013 · 2,361 Posts. A faulty ignition switch can cause all sorts of problems with your ignition system and is more often than not overlooked. In this video I go through setting up the ignition timing on a Tohatsu 115HP two stroke outboard. This leak should be easy to find because it will be making a loud, hissing noise. Held to a Higher Standard. Jun 06, 2008 · Jun 18, 2009. Johnson 70 HP outboard parts are easy to find here at Boats. I have a newly rebuilt Mercury 200 efi (3. It starts fine when cold. The timing belt is attached by way of a series of pulleys. I think link and sink is o. Magneto ignition was used on all the OMC motors up until about 1976. Water Pump's Axle lose. The timing wheel has very precise cut outs. 06-27-2019, 12:46 PM. Your Car Starts Hard And Occasionally Misfires. They charge your vessel's battery (s). DOWNLOAD Mercury 90hp 2-Stroke Service Manual Pdf. The plug isn't getting hot enough with the extra fuel to give an accurate reading. There are a bunch of potentially goofy things in an outboard linkage - ie loose bolts on an arm such that something doesn't consistently hit the stop, the swivel on the trigger assembly breaking or popping out (that would give you 0 degrees at WOT since the trigger wouldn't move). The model number tag is located on the top outside edge of the CLAMP BRACKET; or, on top of the SWIVEL BRACKET (port or starboard). Diagnose Engine Knocking Ticking Noise, With A Timing Light. The mass air flow (MAF) sensor, part of your vehicle's electronic fuel injection system, is responsible for calculating the total amount of air entering the engine. My question is, Can a stator and/or timerbase replacement be performed without. Bushings that can crack and fall out retarding timing. Bad Flywheel Symptoms. Your Check Engine Light Is On And Flashing. But everyone has an occasional snafu that requires some troubleshooting. The symptoms of a bad outboard coil are as follows: 1. A faulty or failing trigger can cause one or more symptoms. com 57 Johnson/Evinrude 60° 4 Cylinder Optical Ignition (OIS 2000) Carbureted 1995-2006 Model Years Due to the differences in this ignition system, troubleshooting can be somewhat difficult if you are not familiar with the design. The important thing to note with compression readings however, is that the difference. Water Pump's Axle lose. Waco Renegade Sickle Hound. If your manual is lost or you don’t have at all, you can purchase a cheap aftermarket manual. This is more or less true for a 4 stroke engine, but for a 2 stroke there are other factors to consider: 1. Moved it lower and engine slowed down even more. Lean air-fuel ratio. A bad fuel system does not have to cost you your Honda Accord or Civic. com explains that the knock sensor has a direct effect on the engine’s ignition timing. Replace Spark Plug (s) Remove Propeller & Inspect propeller and shaft for damage and straightness. March 11, 2015 at 11:59 am #1522127. 02-21-2011, 09:56 AM. Our Price: $44. The cause of this unique problem with 2-stroke engines is the ignition timing. Starting at the #1 Cylinder, check WOT Ignition Timing and Idle Timing, per the Service Manual. A leading name in marine engines, Mercury is recognized for producing top-quality outboard motors as well as the MerCruiser line of inboard engines. There are two ways to achieve valve timing in a combustion engine. Here are the most common symptoms of an exhaust leak: Loud Rumbling Sound- As the exhaust leak escapes through holes in the exhaust, it will let out a deep rumble sound. Tried moving the timing advance under load and it goes no higher. 2) Cannot Change Gears. My question is, Can a stator and/or timerbase replacement be performed without. Check for loose connections or a bad battery. That will load the engine and no two stroke likes to be run under a hard load. Fixes these symptoms. But technological change has been driven by new and stringent emissions regulations and standards have lead to many hi-tech systems that include Variable Valve Timing and Lift Electronic Control. Outboard quits and cannot be restarted 8. In a situation where the ignition timing is retarded too far, the plugs ignite the fuel too late, allowing it insufficient time to burn completely. 9 horsepower Mercury outboard will not activate; e. Ignition Coil, Johnson/Evinrude 1981 - 1984 4 HP 2 Cylinder Outboard Engines Replaces OMC #s: 582995, 584477. Inside is a "TIMING" chip which controls the length of the spark and also its timing relative to the RPM. Forum moderated by The Outboard Wizard, Marine Service and Repair Shop Owner (Lindenhurst Outboard Service Inc. Exhaust restriction will result in poor performance at idle. The Trouble with Ignoring Blown Head Gasket Symptoms Often times, a driver will ignore blown head gasket symptoms due to the costs that come with repairs. Flywheel Replacement Cost. I have a 2007 Dodge Ram 1500 Hemi 5. In between these extremes the engine may misfire noticeably, run rough, backfire, be difficult to restart hot, or lack power. Car was jump started on reverse polarity. These engines have 34-35 hours on them. It may feel as though the. This means that the ECM primarily looks at the engine's speed and the intake manifold's air density in order to calculate the correct amount of fuel to inject. 0) and when I leave my boathouse, I idle for about 400 yards to the river channel. The easiest solution is to wait for 5-10 minutes, but if time is of the essence it may be possible to start the motor by switching the choke to the running position and pulling the starter cord several times. Hesitation and backfiring will accompany the loss of power causing the plugs to foul leaving them with a black “sooty” appearance. Why Ignition Timing Is So Important for 2-Stroke Engines. No water leaks under the cowl. Then we got a code for Lean code - replaced Intake Manifold gasket. Effects of Retarded Timing In a situation where the ignition timing is retarded too far, the plugs ignite the fuel too late, allowing it insufficient time to burn completely. If the ignition now fires, replace the rectifier. Suzuki Model Number Location Suzuki Outboards. 11-15-2015, 11:32 AM. Hard Starting. The cause of this unique problem with 2-stroke engines is the ignition timing. Then check the VOLUME of fuel delivery to the carb. Overheating ECU. The first symptom of a failing camshaft sensor manifests as a warning from the car's control module. stator/timer base replacement. This is the sound of unmuffled exhaust, and is the most obvious symptom of an. If vacuum decreases at higher engine RPM's, an excessive exhaust back pressure is probably present. If the valves are tight, they will not fully seat, but they will sound just fine. This magneto system is pretty basic to most of the previous Johnson/Evinrude motors in various sizes. It could be timing, it could be an oil seal, the pistons rings, it could be carb or intake related, or it could be your oil pump if you have one. View parts diagrams and shop online for 7025218CW : 1994 Mariner Outboard 25 [ML]. Jun 7, 2011. But, if the noise seems twice as fast, it is probably in the:. Bad knock sensor symptoms. 08-29-2017, 08:05 PM. But technological change has been driven by new and stringent emissions regulations and standards have lead to many hi-tech systems that include Variable Valve Timing and Lift Electronic Control. Clean or change the filter screens with which every outboard is equipped. Normally, a combination like that would want nearer to 40° advance. timing belt broke - old age. Keep in mind that some 9. DETONATION/PRE-IGNITION AND THE OUTBOARD MOTOR One of the most common causes of major internal engine damage results from the abnormal combustion conditions that have plagued the internal combustion engine since it's beginning, namely - Detonation and Pre-ignition, or Surface ignition. Inside is a "TIMING" chip which controls the length of the spark and also its timing relative to the RPM. Tohatsu offers an outstanding line up of four stroke outboard motors, including the 115 hp, 100 hpWhen symptoms do occur, they may be mistaken for other illnesses — such as the flu — and usually begin four to 10 days after you are bitten by an infected mosquito. Now, when you retard the ignition in two. Compression is the heart of an outboard. Generally, if it is not a problem with lack of raw water flow or fresh water, the heat exchanger will be the cause. Squealing noise. Again, when a CDI box is about to go bad, it can lead to misfires, issues with starting, rough running or even stall the motor. The model number tag is located on the top outside edge of the CLAMP BRACKET; or, on top of the SWIVEL BRACKET (port or starboard). Bottom cylinder is not firing and is loading up with fuel. Other uses can result in injury to the operator or damage to the outboard motor and other. Be sure that the cam bearing or bearing journal (or both) is grooved. If you don't have to change any shims or make any adjustments, well great! #18. The Trouble with Ignoring Blown Head Gasket Symptoms Often times, a driver will ignore blown head gasket symptoms due to the costs that come with repairs. Jun 7, 2011. Autopartswarehouse. I don't see how your timing could be off if you never touched it. Honda outboard motors are among the finest on the market. BF25A/D, BF30A/D Engines. #1 Is a timing indicator, you'll see a definite color change on the ground strap, it doesn't show well here but you can still see it right about at the arrow. Outboard Tools. And, if you advance the timing too much in a 2-stroke (or a 4-stroke engine) you raise the cylinder pressure too early, reducing the peak RPM, but enhancing the mid-range, making the engine pull harder at lower RPM, but maybe you lose peak power because the engine won't rev up to the maximum. Bad MAP Sensor Symptoms. Piston damage is not the only consequence of bad filtration. CDI Electronics | Outboard Motor Parts | Ignitions. Low readings could also be very late valve timing or worn piston rings. [I] have rebuilt carburetors, put on new fuel lines and filter, cleaned [fuel] tank, added new gasoline, rebuilt the starter, ran engine tuner, and then put new spark plugs in, and [I] am still having the same problem: the Evinrude 150-XP runs great [on] the hose [adapter] but, when [I] take it. Diagnose Engine Knocking Ticking Noise, With A Timing Light. I just finished putting new water pumps, t stats, poppet valves, new water tubes and grommets, tune ups, oil changes, all filters, new cylinder. 08-29-2017, 08:05 PM. 1965 - 1979 (General Repairs) One thing that I want to convey here is that I write only on motors that I have actually worked on, and over a period of. Mercury 2-Stroke Outboard Boat Motor Service Manuals for only $4. A muffler glowing cherry red probably indicates retarded timing. 2000, Mercury Marine 90-857138R1 MAY 2000. Ignition timing is a tuning tool for professional Top Fuel drag race engine builders. Car was jump started on reverse polarity. It's an impeller pump and is commonly located below the timing belt cover on the side of the engine. By advancing the throttle all the way and rechecking the timing for WOT (wide open throttle), you should see approximately 19° - 20° BTDC (before top dead center). Here are some common symptoms of a bad or failing throttle position sensor to watch for: 1. Looking at the back side of the cam timing sprocket, make sure this groove lines up with the hole in the front of the camshaft. This indicator is a vague symptom, as it could also point to. Bottom cylinder is not firing and is loading up with fuel. Since a 2 stroke has combustion once every crank cycle (whereas the 4 stroke combusts. NOTE: Although we're using a Yamaha 250HP motor as an example, the fuel system will be very similar on any modern outboard, regardless of brand or model. These mentioned symptoms can be confusing and one has to be careful before concluding that the problem is with the CDI. Outboards, most small inboards and I/Os don't have radiators like your car, and instead use the water they are floating on to cool the engine. If that water stops flowing, the engine heats up and can ultimately fail. Since a strong spark from the plugs is necessary to start the engine, one of the most obvious indications of faulty spark plugs is that the car struggles to start. check the pressure hose on the front of your airbox and your fuel filter. Check for loose connections or a bad battery. Your outboard stator is the "powerhouse" of your outboards ignition system. The spark plug should be inspected for cracks or chips. Check the voltage on the red and white Ignition wires at the CD Unit. Logged metroski. Adjusting the float will affect both mixture adjustments. Time: about 3 hours. If you're low you'll suffer a power loss and probably won't reach max rpms. 100% American Made. That will load the engine and no two stroke likes to be run under a hard load. The spark advance in a 10,000+ hp nitro-burning engine is typically as follows: Idle/staging is typically 55 degrees to ignite the cylinders with a rich idle mixture. We explore the three big issues that. 1984-1995 Yamaha 2 Through 250 HP Workshop Manual ALL MODELS. Enhanced fuel injection (EFI models) for boosted efficiency. stator/timer base replacement. When the camshafts spin, the longer side of the camshaft pushes the valve open, allowing air to flow into or out of the combustion chamber. Steady low between 5-10 "hg vacuum: This indicates that the engine's intake manifold or the intake gasket is leaking. After 8 years of trouble free service I am having my first major issue with this motor. As you probably know, in four stroke engines, you advance the timing (that is, it happens before the TDC) to impulse the piston at the right moment. This is the sound of unmuffled exhaust, and is the most obvious symptom of an. If the voltage is less than 9 1/2 volts during cranking there is a problem in the battery s or the Ignition switch Box. Disconnect the yellow wires from the stator to the rectifier and retest. Your Check Engine Light Is On And Flashing. Engine misfires or runs poorly. Check for loose connections or a bad battery. Apparent loss of injection pulse or fuel pump. Scroll down to the bottom for more info. Acting as a switch to deliver a high current from the […]. Jun 06, 2008 · Jun 18, 2009. Then push the magneto control arm all the way until it hits the full advance stop. 1) Slipping Gears. If you've got too much WOT advance dialed in you can easily burn a piston. A method of checking [if such a device (or bad fuel) is a problem source] is to operate. Yamaha Outboards. If your motor is stuttering and won't seem to start, you can engage the choke to give it a boost of fuel, which is oftentimes. Current Tools. 225XXL SALTWATER. What Are the Symptoms When Outboard Timing Is Off? Continuous Ticking Sound. Blades on the water pump push coolant oil to run through the engine block and come back to the radiator to be cooled by a forced air cooling fan. Either the lift pump has failed, the boat is out of fuel or there is an air leak or blockage somewhere in the fuel lines running fuel from the tank to the engine. Jun 7, 2011. You should inspect the ignition timing of your vehicle in accordance with its repair manual. Touch up any damaged paint, and coat areas that may rust with Honda Corrosion Inhibitor or equivalent. Fuel system problems. Camshaft lobes are oblong in shape. These mentioned symptoms can be confusing and one has to be careful before concluding that the problem is with the CDI. Jun 30, 2011 · Troubleshooting a Two-Stroke Outboard Engine, Part 1. You just have to look at the dash gauge for the temperature. 0) and when I leave my boathouse, I idle for about 400 yards to the river channel. The BF225 and BF250 outboard engines use Honda's Variable Valve Timing and Lift Electronic Control (VTEC) to optimise the outboard engine's timing, adjusting the cams to provide more power at high revs, and better fuel economy at low revs. Honda outboard motors require regular maintenance. It provides the quiet, efficiency and cleanliness many customers associate with the 4-stroke outboards, combined with the torque, throttle response, quick acceleration and raw power associated with the 2-stroke outboard. 1949 - 1976 +. The Engine Doesn't Start This is the most obvious symptom. Apr 19, 2021 · MSD was the first company to develop and offer the multiple sparking, capacitive discharge ignition for engines. If your 65 hp Johnson is running in the 100-150 psi range, this would be acceptable, and the engine should still perform well on todays fuel. Steady low between 10-15 "hg vacuum: This reading indicates late valve timing. The all-new Yamaha V8 XTO Offshore ® carries on that tradition. This debris can limit the operation of these injectors and cause all kind of performance issue. ; Two Teeth: It will sound like somethings "knocking" which is likely the pistons kissing the valves. When the coil becomes weakened and damaged, it is unable to produce the energy that it once did. If you're an unlucky soul with an older outboard that has ignition coil, distributor, rotors, spark plug wires, etc. Rated at more than 200 horsepower, the 200 APX outboard offers racers a very durable powerhead and the latest in four-stroke engine technology, while reducing exhaust emissions by 90 percent compared to. 00; Coil locating ring $ 30. of torque and 496 hp on pump gas running only 36° timing using pistons and heads that I coated. Apparent loss of spark. 1965 - 1979 (General Repairs) One thing that I want to convey here is that I write only on motors that I have actually worked on, and over a period of. stator/timer base replacement. Way2Slow I have a 1997 Evinrude 225 Vindicator. Crank engine with starter motor and adjust maxi-. This manual describes the operation and maintenance of the Honda BF 75A and BF 90A Outboard Motors. Here are some common symptoms of a bad or failing throttle position sensor to watch for: 1. This indicator is a vague symptom, as it could also point to. If the coil is weak or damaged it will produce less spark energy than it is designed to. reliability and performance of your outboard engine. Feb 19, 2021 · 6 Symptoms of a Bad Water Pump. Yes, it's a 2 stroke. Lead Fouling. Mercury Marine. The engine's drive belt is used to run the pump - as the belt runs, the pump runs. Service Engine Soon Light. This manual describes the operation and maintenance of the Honda BF 75A and BF 90A Outboard Motors. Southcentral Outboards 14 North 2nd Street • Altamont, IL 62411 (618) 487-9499. A new spark plug is a small thing that can make a big difference. When these parts fail the camshaft stops turning which causes the intake and exhaust valve not to open and close. NOTE: Although we're using a Yamaha 250HP motor as an example, the fuel system will be very similar on any modern outboard, regardless of brand or model. A bad knock sensor causes a decrease in acceleration and fuel mileage. If an oil-filled coil is wet on its outside surface, it is cracked and leaking. Here are the most common symptoms of a bad ECU: Check Engine Light stays on after resetting. knfenimore July 6, 2016, 3:53am #9. 98! Mercury Outboard Repair Manual 1965-1989 40 to 115 HP Two Stroke. Outboard will not start 9. it seems to happen only when warmed up and after running a bit. The WOT timing is pretty critical. Before operating a Honda outboard motor, read and understand the owner's manual and warranty policy. The only way to tell is to look for other signs or to go through the problems one by one, I'm in the same boat as you right now and it sucks. Steady low between 10-15 "hg vacuum: This reading indicates late valve timing. Keep in mind that some 9. The mass air flow (MAF) sensor, part of your vehicle's electronic fuel injection system, is responsible for calculating the total amount of air entering the engine. By advancing the throttle all the way and rechecking the timing for WOT (wide open throttle), you should see approximately 19° - 20° BTDC (before top dead center). 00; Fuel Connector Repair Tool $ 30. With this method, however, it is difficult to accurately determine the amount of water in the manifolds. Look-up the correct Trigger for your Mercury Outboard by using the PARTS CATALOG link below. The timing belt is located under a timing cover and is in the front of the engine. Service Engine Soon Light. Optimax Air Compressor: A failed Mercury Optimax air compressor will send debris to the air injectors. Conclusions. Every electric start outboard has an ignition switch and it will open and shut the starter solenoid. IMPORTANT: A check for water intrusion should be performed on all new Marine Engines with thru transom and Thru Hull Exhaust Systems. Other possible causes could be low compression, vacuum leak, overly retarded timing, or improper spark plug heat range. The timing is set by adjusting the link rods inside the engine. Poor Fuel Economy. The spark plug should be inspected for cracks or chips. Basically really long story short, if I retard the ignition timing too far what can happen to the engine, on a 2 stroke engine (yz 295, 2007). Before operating a Honda outboard motor, read and understand the owner's manual and warranty policy. This leak should be easy to find because it will be making a loud, hissing noise. Outboards sold by Mercury Marine in the United States are certified to the United States Environmental Protection Agency as conforming to the requirements of the regulations for the control of air pollution from new outboard motors. The only way to tell is to look for other signs or to go through the problems one by one, I'm in the same boat as you right now and it sucks. Nov 01, 2010 · After haulout running on the muffs it steams from the reliefs and the hub. Apr 12, 2017 · Mercury Marine is an international motor boat company based in Lake Forest, Illinois, providing motors for private, commercial and government craft. Exhaust Back Pressure Starting with the engine at idle, slowly increase engine speed to 3,000 RPM, engine vacuum should be equal to or higher than idle vacuum at 3,000 RPM. Squealing noise. Hey there, Dangar Stu here. You might as well do the valve cover seals while your there. it also starts fine when hot. We explore the three big issues that. Appearance & Symptoms: Lead fouling can only occur in applications that use leaded gasoline, such as racing engines. Check the stator resistance. By Charlie Gaston - March 13, 2015 This article applies to the Honda Accord (1990-2002), and Civic (1992-2000). Electronic timing for the spark can advance easily, electricity moves very fast. Symptoms of a Bad Coil on an Outboard Motor. Record your outboard motor serial number in the spaces provided to assist you in ordering spare parts from your Yamaha dealer or for reference in case your outboard motor. Ignition Timing Too Advanced. You can also heat the piston up a lot quicker. This indicator is a vague symptom, as it could also point to. Watch our Yamaha Outboard Fuel Pump Issues video above — in which we guide you through an outboard's fuel system — to troubleshoot possible issues that may be causing fuel pump problems. If that does it, choke the outboard to stop it & take corrective action. Variable Valve Timing is used to vary intake timing with the camshaft to optimize timing for low to mid-range operation. Your Car Starts Hard And Occasionally Misfires. Overheating ECU. Built a DVA adapter for my fluke meter and plan to get to it Labor day weekend. Check to make sure you have enough gas in the tank to be picked up by the sump. Listed below are a few common symptoms that might indicate that your timing belt is wearing out or has broken - which will require a local ASE certified mechanic to replace the timing belt and inspect other internal engine components for damage. More low-end torque for excellent acceleration. Mercury Mariner 50HP 50HP 3 cylinder Outboard Engine Full Service & Repair Manual Download PDF 1986-1989 Download Now. I don't see how your timing could be off if you never touched it. These belts and chains need to be replaced or adjusted at regular intervals. Yamaha owners get something that can't be measured in HP or RPM—legendary Yamaha reliability. Excessive gear lever play is a good sign that the shifter cable is going bad. What Happens When the Timing Is Advanced It has long been held, and demonstrated at the Club's Dyno Days, that advancing the timing to 13 to 14 degrees before top dead centre (BTDC) is a cheap way of achieving lower rpm performance in the Mazda MX-5 1. If one or more cylinders are damaged due to improper timing settings, lean fuel condition, overheating, or stuck rings from carbon buildup, your outboard is about to become history. The engine should snap right back to a steady 17- 21 "hg vacuum. 6 litre cars. When too much slack is in the shifter cable, the gear lever will feel loose or delay the engagement of the. Record your outboard motor serial number in the spaces provided to assist you in ordering spare parts from your Yamaha dealer or for reference in case your outboard motor. A leading name in marine engines, Mercury is recognized for producing top-quality outboard motors as well as the MerCruiser line of inboard engines. May sure the key is not in the ignition. 1965 - 1979 (General Repairs) One thing that I want to convey here is that I write only on motors that I have actually worked on, and over a period of. Mar 24, 2020 · The symptoms of a bad knock sensor typically occur during heavy loads or at high speeds. As you probably know, in four stroke engines, you advance the timing (that is, it happens before the TDC) to impulse the piston at the right moment. The flywheel pickup signal is fed to the TCI module. I also agree, that if the water tube cracked that injecting cold water into the exhaust hsg shouldn't create steam. Symptoms And Causes: Symptom. Disconnect the white and blue kill wires from the CD Module and retest. The simplest and least time‑consuming way is the exhaust elbow removal method. They charge your vessel's battery (s). The timing wheel has very precise cut outs. the flywheel has 4 dots no sticker. Start with no-worry reliability. Hopefully, this article will give you some insight on that topic and enable you to get the upper hand. The SM says the resistance is between 459-561 ohms.