Open Library. Rich : littleblue. The short story is I wasn’t successful at removing the old oil retainer on my own 😛 It’s really stuck in the impeller housing and retainer assembly (382796) and I have to be careful […]. Below we list common failures and the likely causes for them. In some older Honda vehicles misfiring can be caused by valves being out of adjustment. I have not measured the temperature of the water from the indicator tube. This isn't a tough job, but most. however, the motor has a white smoke coming out the exhaust. So your symptoms sound like a sticky thermostat. Ignorance isn't bliss, it's expensive. OOPS We are busy updating the site for you and it will be back online shortly!. By Don Sherman. When a thermostat gets to a pre-determined temperature the wax inside it melts and turns to liquid. I felt the motor cover and its perfectly cold, not even close to being warm. A perfect engine is determined by perfectly matching components and ideal condition (sea level, perfect weather, etc. 11 to 15 RVP (cool to cold weather) fuel will change from liquid to a vapor at lower fuel temperature than 8 to 10 RVP (warm to hot weather) fuel will. The symptoms are that afer short running hours (approx 40) after an oil and filter chage the oil becomes contaminated. I went to test the oil level in my Yamaha Outboard and saw the oil was milkshake color. One overheating at high rpm has one stuck closed. You should see it open when the water reaches a boil. 2009 JAGUAR XF Recalls (6) Dealers will inspect the outboard rear safety belt d-ring and, if necessary, the d-ring assembly will be removed and any burrs on the d. The spring holding the thermostat closed is also not a spring and the thermostat does not open and close based on pressure. So I put a new thermostat in and this not fix the issue at first. On most outboards you can tell when the thermostats open when running on a hose. If stuck in an open position it will cause overcooling and if stuck closed, overheating. Set you idle up to 1100 in neutral. A broken fan belt can also cause the problem as the water pump stops turning, and circulation ceases. If the engine rotates for more than 4 compression strokes, test the cylinder again. 3 gallons of gasoline per hour. Outboard motors are attached externally to the stern. BlueDevil Head Gasket Sealer requires the removal of your vehicle’s thermostat and a complete cooling system flush but is guaranteed to fix your blown head gasket! Don’t risk getting stranded or damaging your vehicle’s engine by driving with a blown head gasket. however, the motor has a white smoke coming out the exhaust. When your car’s thermostat is stuck closed the temperature of the engine cannot be regulated and the other components of the cooling system are unable. When a thermostat gets to a pre-determined temperature the wax inside it melts and turns to liquid. A water pressure regulator, if you have one, is usually located where the main water line comes into the house and after the main shut off valve. There is actually about 3/8" of skirt showing at the bottom of sleeve so I have some room to work. Usually the idle will not be as good as it used to be. The start capacitor is one of two types of capacitors that can be found on single-phase compressors. think this is a test model jig for engineers to film in slow motion for possible design errors. Those engines are known for that issue. A cold , all alumanim, block will alow a very considerable amont of fuel rich " blow-by, which will delute the oil with gas. In some older Honda vehicles misfiring can be caused by valves being out of adjustment. The thermostat in many cases may come out in several pieces (falling apart). It will keep running in open loop (default rich mixture) setting until it gets a signal it likes from the ECT sensor. Mineral oils contain many classes of chemical components including aromatics, paraffins, naphthenes, sulfur and nitrogen species, etc, and its composition is determined primarily by the crude source. They usually fail all the way: either stuck open or stuck closed. The fix: Clean or replace fuel injectors. The digital center of the water ski world ( 2019 IWWF World Waterski Open Championships ) 862 views 19 comments 2 points Most recent by ScarletArrow August 23. Visit our array of 220 searunner now. You might find raw gas coming our of various orifices - air filter as well as exhaust. Thus the overheat alarm at idle. If the thermostat is stuck partially open (like mine was), then there would not be enough water flow at idle speed to keep the engine cool, but there would be enough (depending on how open the thermostat was) when the boat is running at higher RPM's. BlueDevil Head Gasket Sealer requires the removal of your vehicle's thermostat and a complete cooling system flush but is guaranteed to fix your blown head gasket! Don't risk getting stranded or damaging your vehicle's engine by driving with a blown head gasket. The most common. You should first check the wire running to the positive terminal of the choke housing. Keep all electrical connections clean, tight, and insulated to prevent shorting or arcing and causing an explosion. More Boats. Or engine overheats constantly. One final note; there is always the exception to the rule. My Mercury 60hp 4 stroke engine gave a warning alarm, then cut power. In addition, the car interior will not heat up properly. The passages in his gas cap became clogged over time and it would die after several minutes of run time. This chart is intended to be a helpful guide when troubleshooting your carburetor. Berrios hopes for turnaround as Twins open weekend series with Detroit When there's white smoke, check first for coolant leak. The engine block contains the cylinders. The Auto Channel Used Car Buyers Guide provides a complete source for information, performance, safety features, total operating costs, reviews, and rankings on used cars and trucks. Pulled the thermostat, and it was stuck full open. Outboard EFI engines operate on the fuel injection strategy called "Speed/Density". It can also cause the water to come out of the exhaust, creating an idle issue. Effect: noted above Cause: Sheered splines on drive shaft of hydrolic pump which mounts on rear othe air compressor which had a bad bearing. My dad had a 40 hp yamaha that had the same symptoms, but it was an easy fix. Be sure to use a type of silicone spray that won't damage rubber and plastic. Symptoms, based on severity of the leak, can range from an overly lean. The short story is I wasn’t successful at removing the old oil retainer on my own 😛 It’s really stuck in the impeller housing and retainer assembly (382796) and I have to be careful […]. injector cleaner procedures. When your pilot light is lit, the heat from the flame sends a voltage through the thermocouple that keeps the gas line open. If the thermostat is stuck open. Search: Search Yamaha poppet valve. A leaking gasket allows unmetered air to enter the intake system. Such a blockage will likely occur through a stuck thermostat or broken water pump. Water pump inoperative. The thermostat has a very important function in any cooling system. CO POISONING GIVES NO WARNING!! SYMPTOMS MAY NOT PRECEDE UNCONSCIOUSNESS!!!!! OWNERS OF BOATS HAVING THE FULL CAMPER BACK OR STERN COVERS WITH A CENTER REAR OPENING – NOTE!! CO poisoning is most likely to occur when a boat is in a forward motion with the forward passenger compartment closed and the stern open. Between uses, store your outboard in a vertical position to prevent water ingestion via the engines exhaust system. Think of it as a restrictor valve. Unlike a cold start injector, it does not handle fuel at all, only additional air. Read Comments. This post was contributed by a community member. Symptoms Of A BAD Thermostat. What type of oil should I use in my Suzuki outboard? A. Whenever my kicker floods I will disconnect the fuel hose, turn the throttle to full and pull the heck out of it. The thermostat is one of the components of your car's cooling system. The solenoid is mostly present only in Ford vehicles. My 1992 Yamaha 9. Found one direct injector that was NOT THROWING A FAULT however was DISCERNIBLY STUCK OPEN! Now she runs and moves through the the RPM range smoothly above idle. And many times it’s caused by a thermostat being stuck open, allowing only cold water to course over a rubber bushing that needs warm/hot water running over it to enable it to do its job. Maximum hours for Outboard Powerheads - 10. Blown Head Gasket Symptoms I usually get my oil changed at Jiffy Lube because they are convenient and I can’t crawl under my car and change my oil like I used to. Symptoms are overheating at low rpm yet the water pump is pumping properly and the thermostats are open. under that spot of the hose is the thermostat. You can remove an upper radiator hose housing and check under the thermostat, too. A faulty ignition switch can cause all sorts of problems with your ignition system and is more often than not overlooked. At the front of my house are two sprinkler pipes that come out of the ground and are connected by some type of valve. The intake hose goes from the water inlet in the bottom of the hull into the v-drive or trans. Or engine overheats constantly. If the Check Engine light is on and you find a misfire code for a specific cylinder, and the engine is suffering any or all of the above symptoms, it may be a clue that you're dealing. Nothing is set in stone, of course, but a cheap fix is always preferable to an expensive repair bill. Well As a home mechanic, you don't generally "test" for a blown head gasket. Every second or third trip, remove the hood of your outboard (make sure the engine is turned off and cool to the touch) and apply a thin film of silicone spray to the power head. Maintenance. length of 1/2-in. Search: Search Yamaha poppet valve. Thus the overheat alarm at idle. Every electric start outboard has an ignition switch and it will open and shut the starter solenoid. ? The engine is well serviced and has low hours. Also see the Privacy Policy, the General Uploader Agreement, and the Prohibited Activity and Content Notice. DOWNLOAD a complete outboard repair manual in seconds. It takes in air and it breathes out, well, exhaust. But when the gauges in your car stop working, it’s not a situation you can safely ignore. Water Pump Impellers Rubber water pump impellers are used on all inboard-outboard marine engines. Name: Required This is the name that will be shown with your messages. A leaking gasket allows unmetered air to enter the intake system. That's a tell tale sign of a worn impeller. A failing camshaft position sensor (CMP sensor) can produce a confusing range of problems, depending on the way it fails and the model of the car: An intermittent or complete CMP sensor failure while on the road could be dangerous. A tiny tiny seashell was lodged in there. A failed water pump shares some symptoms with other bad components in your vehicle: Coolant leak. Mouth stuck open: Sometimes a goldfish will get a piece of gravel lodged in its mouth while foraging for food at the bottom of the tank. If the motor has a thermostat, it will probably run a little hotter. Symptoms Of A BAD Thermostat. 04 honda outboard 115 hp fuel SYSTEM; 135 honda outboard fuel filter replace; 135 honda outboard repair manual s; 135 honda outboards repair service manual s; 15 hp bf 15a honda repair manual online; 150 honda outboard cly head torch; 1973 7. Steam means the engine is hot. The easiest way to check it is to run the motor until it dies and then open the tank. Didn't notice it 'making oil', though, but it never got out of the driveway like that, so no history with running it that way. When you get going if everything then goes back to "normal" the poppet valve is probably open. I do not think its just the heater core if the engine temp takes a long time to come up to proper temp. When it comes to an axle assembly, CV joint and driveshaft repair services in Calgary, Alberta our facility contains the knowledgeable mechanics for the job along with high-quality in-stock replacement parts for any issue plaguing your vehicle’s axle, CV joints, or driveshaft. Bring the water to a boil and watch the thermostat. Updated: August 11, 2017. Our postmortem analysis of the premature deaths of five unfortunate motors. Open the hood to both cars, and locate the batteries (refer to the owner’s manual for battery location) and battery terminals. Replace the thermostat and gasket and it'll be running like a Yamaha again!!. 2 automatic I have also seen coolant spray out of the spark plug holes while cranking the engine with the plugs removed. Suzuki outboards are produced by Suzuki Marine. Build your own PC today or call our sales team 1-855-2-LENOVO (1-855-253-6686). The photo is. There is actually about 3/8" of skirt showing at the bottom of sleeve so I have some room to work. This indicates carbon fouling, which may come from running too much fuel or running too cool with a thermostat stuck open. OOPS We are busy updating the site for you and it will be back online shortly!. The thermostat is one of the components of your car's cooling system. No one wants to be stuck in port paying for potentially costly repairs. What type of oil should I use in my Suzuki outboard? A. 9HP 4-stroke outboard has had what sounds like the same mysterious symptoms lately. For 2-Strokes, it can cause a rough or poor running condition. When the vehicle's ignition is turned on, the heating element inside the choke cap unwinds and allows the choke to open. After all, we’ve got a sensor to troubleshoot. To help keep your boat running smoothly and you out on the water, here’s a closer look at what you should know about your boat’s fuel and how to help prevent contamination. Find dodge climate control knobs in stock now online!. As dependable as today's marine engines are, it's inevitable that someday some component will begin to cause problems. Causes and Symptoms of a Bad Intake Air Temperature (IAT) Sensor An IAT sensor is an important component that is needed while starting up a vehicle's engine. Clogged fuel injectors does not need to be replaced can be unclogged with the right fuel. So we messed with it all morning yesterday in the water and finally it quit getting warm and worked normally so we came to the conclusion that there was something either restricting the thermostat or keeping the pop it open. Honda Power Equipment Outboard Motor Owner's Manual. This indicates carbon fouling, which may come from running too much fuel or running too cool with a thermostat stuck open. Letting it idle a minute would allow me to continue onward. We compared those with the Yamaha engine controls which, although they are plastic, feel solid and function smoothly. Outboard Thermostat If your particular outboard motor has a thermostat, you can easily replace or service the area but you will need replacement gasket for the exhaust covers, if you have an engine similar to a Mercury outboard 650 or 700. What happens is the valve is stuck open and water dumps out before reaching the upper cylinders at low speed idle. If you dont want to drive them down there yourself then light rail is probably the next best option. is johnson 130 hp 2. It is the combination of the EMM and the calibrated injectors that makes the Evinrude E-TEC an ultra-low emission outboard as determined by the EPA and the California Air Resources Board (C. 60 Degree V6 Optical ignition (OIS 2000) 1991-2003 model years. This is where a temperature gauge is great to have. 9 four stroke outboard stators. I have a 1993 Johnson 25HP outboard and I want to check the temperature after it is warmed up to see if the thermostat is working properly. Letting it idle a minute would allow me to continue onward. They can't keep going out of loyalty or break down as an act of rebellion, but are essentially straightforward things that depend on a sequence of simple processes to keep going. Outboard Thermostat If your particular outboard motor has a thermostat, you can easily replace or service the area but you will need replacement gasket for the exhaust covers, if you have an engine similar to a Mercury outboard 650 or 700. The symptoms are that afer short running hours (approx 40) after an oil and filter chage the oil becomes contaminated. 0 TSI 115 2019. I found the throttle position sensor voltage was out of spec and was able to adjust that using the scan tool and a voltmeter. MINI Cooper Valve cover gasket replacement & Spark plug tube seal replacement. If you see no change following your next D&F, try a 3-times D&F with Amsoil (fuel-efficient, not multi-vehicle). Clogged fuel injectors does not need to be replaced can be unclogged with the right fuel. Remove a spark plug and examine the end of it. There are three exits from this manifold. If a small stone gets jammed in the thermostat, it can be stuck closed which causes the engine to overheat, or it can be stuck open, making warmup very difficult. This lets one of the springs open the valve, which lets water flow through, which cools the engine. As other people have stated, if you have a cooling problem it may not be the thermostat. Also, a stuck thermostat or clogged radiator will cause your engine to. When it comes to an axle assembly, CV joint and driveshaft repair services in Calgary, Alberta our facility contains the knowledgeable mechanics for the job along with high-quality in-stock replacement parts for any issue plaguing your vehicle’s axle, CV joints, or driveshaft. Lean misfire can also be caused by an EGR valve that is stuck open or is not closing fully. For other non carburated 2-Strokes it can cause a high idle. You can remove an upper radiator hose housing and check under the thermostat, too. A faulty sensor can decrease the life of the engine and reduce the efficiency of fuel consumption. ENGINE CRANKED, BUT NOT START (OR STOPS SHORTLY AFTER STARTING) UNSTABLE IDLING / TROLLING (OR ENGINE TENDS TO STALL) Possible cause : • Incorrect by-pass air screw adjustment. Follow the Maintenance Schedule recommendations to ensure that the motor is in peak operating condition and the emission levels are within the standards set by the your states/county Resources Board. It will run like crap with too much gas. The airbox drains allow this accumulated crud out of the airbox instead of having it sucked into the cylinders where it will cause abnormal wear. Just above the anti-ventilation plate there are some "slots". The engine block contains the cylinders. If the engine does not warm up enough because the thermostat is stuck open, the heater will not deliver warm air to the interior. The Porsche Taycan's Dashboard Is Mostly Screens. Find out what the RVP of the fuel in the boat’s fuel tank is. outboard stops running when idling; symptoms of a idling on a Johnson outboard; trouble idling with 40 hp Johnson outboard; unstable idling speeds causes on outboard; what would cause an outboard motor to stall while idling; where to set the idling on 90hp Johnson outboard; Johnson 30hp idling high; Johnson 85 rough idling thermostat. Featured movies All Video latest This Just In Prelinger Archives Democracy Now! Occupy Wall Street TV NSA Clip Library. Flushing the outboard with Salt-Away cannot get any easier with the Auto-Mix unit, which attaches easily to the muffs or engine port. Our postmortem analysis of the premature deaths of five unfortunate motors. A Total waste. Open or short in HO2 sensor circuit or oxygen sensor or Engine coolant temperature (ECT) sensor indicates that the engine has not reached the required temperature level to enter closed-loop operation within a specified amount of time after starting the engine. I also had this problem with belts on 26 T, ended up taking off the water pump and installed a 180 degree thermostat between two gaskets and it works and runs fine. temp in cold weather/water. I think it works too. Fuel mileage will also suffer, and you may see a check engine light followed by a readable code in your car's OBD-II or newer computer. The Yamaha outboard thermostat must be exposed in order to be changed. All current model outboards (except the manual start -non electric models) have over temp audible alarms (think I'm right on this) if factory harness and controls are used. 2 stroke compression ratio calculator. The radiators often won't even heat up enough to turn on the cooling fans in this case, even though the engine is overheating. Pump down vacuum with the engine idling, enough to open the EGR valve. For 2-Strokes, it can cause a rough or poor running condition. Find out what the RVP of the fuel in the boat’s fuel tank is. Green design & living news covering technology, architecture, transportation and more. Inspect the back of it of it is driping water - ther bearings are about to fail. by Kyle McFadden. Coincidentally, the Newport Shell fuel dock we used to use is now shut down for "quality control violations" from what I was told. Poor airflow - Blower motors - incorrect operation (eg fuses blown). Note: High CO, Low CO2 , VERYHigh HC(>1000) and VERYHigh O2(>5) is sometimes indicator of WRONG ENGINE VALVE TIMING. Even a fully open thermostat creates a restriction at the outlet of the engine. New thermostat, and it was good to go. 1 cm) across and should have an oil symbol (or have the word “oil”) on top. If it is not hot, you can bet the thermostat is stuck closed. No big deal. On turbo motors there are check valves located at each drain; these must work properly. As the RPM's and water pressure increase, the valve opens and allows normal flow. This ignition system produces very high voltages and due care and caution must be practiced in working with it. Common Symptoms Of A Bad Thermostat. But what are some effects of leaky exhaust valves? E. PRACTICAL OUTBOARD IGNITION. When it comes to an axle assembly, CV joint and driveshaft repair services in Calgary, Alberta our facility contains the knowledgeable mechanics for the job along with high-quality in-stock replacement parts for any issue plaguing your vehicle’s axle, CV joints, or driveshaft. If also could be defective. They charge your vessel's battery(s). The engine block contains the cylinders. Engine is running normally. The problem is getting the thermostat warm enough to open so you flush out the whole system, not just the basic coolant run when cold. If the thermostat is stuck open. Block the throttle linkage wide open. The thermostat only controls engine temperature at lower rpms when running higher rpms. Search: Search Yamaha poppet valve. Attach the pump hose to the EGR. When the thermostat is broken, one of two things happens, either it does not open, or it does not close. View Order Outboardparts. Books by Language CD-ROM Software Library Coronado Historical Association John Morearty Archives. Check the air intake piping, fuel filter, fuel pickup in the fuel tank, and fuel shutoff solenoid at the injection pump (1996-2003 cars only, single black wire leading to. The motor itself is secured by 3 screws and is attached on the outboard side of the unit in line with the. The whole purpose of the engine, is to convert fuel to power , and rotating energy, misfire is the antithesis of that. (stays in open loop fueling in a turbo subaru) If you have an auto trans, it will also tend to hold gears much longer to keep it out of low rpm-high load conditions. 5 hp honda outboard motor; 1976 9. the heater is also an obvious one. Coincidentally, it is less viscous than Honda DW-1 (good in your situation) but moreso than Amsoil fuel-efficient. Visit our array of 220 searunner now. This brand was having an excellent promotion when I wanted to buy a bike and I'm really glad I did. There are three exits from this manifold. In some older Honda vehicles misfiring can be caused by valves being out of adjustment. MERCRUISER HORN WARNING SYSTEMS 90-898301003 JUNE 2007 Page 3 / 10 1989-1994 4. On the intermittent occasions I was actually able to finally get it started at the dock, it would die after applied throttle continuously for approx 5 minutes. My outboard has done this many times and it is annoying but as long as you have mixed the gas there is no harm to running it I have the sticker on the control box that gives the different alarms and associtated engine symptoms and the cause, I will get thaty and post it up. If you are under way and see your temp gauge too hot and you pull back to idle at slow speed and the temp stay hot or gets even hotter after idling for a while chances are good you have a bad water. A faulty sensor can decrease the life of the engine and reduce the efficiency of fuel consumption. Feel them carefully (they could be very hot). Apr 8, 2012 Tutorial Mission 5 - posted in Newcomers Forum: Help please Im stuck on mission 5 of 8 in tutorial, Im running a tier II tank and still didnt unlocki apologize in advance for my lack of punctuation. If you want to see whether the choke in your vehicle is working, consider the following steps. This means that the ability to write new posts and access various member features will go away. com/public/1zuke5y/q3m. A cool-running engine does not heat the oil sufficiently and you will get sludge build-up in the pan as a result. is johnson 130 hp 2. VIDA will run slow after some time. ) Use a clean rag or paper towels lightly soaked in paint thinner to wipe both sides/pieces. BlueDevil Head Gasket Sealer requires the removal of your vehicle’s thermostat and a complete cooling system flush but is guaranteed to fix your blown head gasket! Don’t risk getting stranded or damaging your vehicle’s engine by driving with a blown head gasket. If your sensor is bad, the ECU is seeing a cold engine even though it may have warmed up. A few carburetors were built with a water passage in the choke housing; heated engine coolant warms the choke coil. valve stuck open. Every second or third trip, remove the hood of your outboard (make sure the engine is turned off and cool to the touch) and apply a thin film of silicone spray to the power head. Hot enough for your hand to only withstand it for a couple seconds. ----a stuck thermostat will not alow the engine to get up to correct operating temp. The Powertrain Control Module (PCM) applies voltage (about 5 V) to the ECT2 signal circuit through a pull up resistor. It's possible some sort of junk got stuck in there and isn't allowing it to fully open. I was also getting water in the oil and figured this was a result of 1) overcranking when I tried to start it with bad/old/watery gas last Fall and/or 2) the stuck valve causing that cylinder not to fire, allowing for low enough exhaust pressure for water to back up or something again, not sure which happened first, because in hindsight the. Most outboard thermostats are factory designed to open at approx. Neighbor Posts Know when to stop! Overheated coolant triggers "check engine" light. , if #1 is dead, swap the brown Trigger Wire with the white one). what should the idle speed be for a 1991 250 hp Mercury outboard; what the rpm idle setting 60 hp mercury 2 stroke; what to set idle at out of the water mercury outboard 75hp; what will cause outboard motor to fail to idle; what would cause outboard engine to idle to fast; where is the fast idle switch on a 1992 50hp Mercury outboard. So there's that. A faulty ignition switch can cause all sorts of problems with your ignition system and is more often than not overlooked. To test them, one simply puts a thermostat into hot water. It could happen at any time: You are driving on the highway, moving. The thermostat manages the amount of coolant that is distributed through the engine. BlueDevil Head Gasket Sealer requires the removal of your vehicle's thermostat and a complete cooling system flush but is guaranteed to fix your blown head gasket! Don't risk getting stranded or damaging your vehicle's engine by driving with a blown head gasket. Hydrolock (a shorthand notation for hydrostatic lock) is an abnormal condition of any device which is designed to compress a gas by mechanically restraining it; most commonly the reciprocating internal combustion engine, the case this article refers to unless otherwise noted. To get at the back of the burners, tape a 20-in. Additionally, a very long time before the block fills with water and the stream is weak at slow speeds and idle. Re: Thermostat stuck open !!! I had that also. You might find raw gas coming our of various orifices - air filter as well as exhaust. PioneerForums. Owners of some Yamaha outboards are incensed at having to pay thousands to repair their relatively low-hour engines. Many solutions were. If this thing is hemorrhaging gas, look at the pump. 8 is known for the intake manifold going bad. (wide-open throttle). A few carburetors were built with a water passage in the choke housing; heated engine coolant warms the choke coil. What if thermostat is stuck (open/closed)? At some point during the month of August the Roadfly forums are going to become archive only. Updated: August 11, 2017. I found the throttle position sensor voltage was out of spec and was able to adjust that using the scan tool and a voltmeter. If the pilot light goes out, the thermocouple will lose its voltage and the gas line to your furnace will be closed. I underwent the complete head gasket and valve rebuild procedure because my engine was overheating and the head gaskets got fried. idle is fine and smooth, the motor has a TON of power. Please discard all copies of NTB99-053a. It should take like 2 minutes to heat up to open the thermostat, and 5 minutes to overheat, so you have some safety in-between. Interestingly, manufacturers have designed transmission systems so that these sent 'limp-mode' computer signals have the identical affect on the transmission as what simply taking away supplied power to the shift and line pressure solenoids has, as in the case of a transmission harness being detached or cut. Though your car is better off with the thermostat stuck open rather than closed, you should repair the component immediately if you suspect it is stuck open. Mercurys' fuel pump test takes about 1/2 hr, I never use it because I can rebuild 3 pumps in that amount of time. If you want to see whether the choke in your vehicle is working, consider the following steps. If the pressure is too low, the engine does not start. in Johnson Outboard Parts Forum 08-08-2019, 09:45 AM I'd prefer to simply know if you're obtaining a 7/16" spark that will jump a 7/16" gap at cranking speed with all spark plugs removed. Maximum hours for Outboard Powerheads - 10. Featured movies All Video latest This Just In Prelinger Archives Democracy Now! Occupy Wall Street TV NSA Clip Library. Engine overheating. * This one is very important (I had this happen to me) I was running a 2004 225 Opti in 40 deg. So if any Yamaha owners have these symptoms, try the injectors before tearing into everything else. 60 Degree V6 Optical ignition (OIS 2000) 1991-2003 model years. Inspect the back of it of it is driping water - ther bearings are about to fail. Look near the starter, rocker arm, or flame arrestor cover to find what you need. Do any of your other settings work Like floor vents If not and its stuck on full heat youre probably experiencing a decent vacuum leak somewhere between the intake manifold and the vacuum switching box behind the glovebox. what should the idle speed be for a 1991 250 hp Mercury outboard; what the rpm idle setting 60 hp mercury 2 stroke; what to set idle at out of the water mercury outboard 75hp; what will cause outboard motor to fail to idle; what would cause outboard engine to idle to fast; where is the fast idle switch on a 1992 50hp Mercury outboard. Read more: Vacuum leaks: common sources, symptoms, repairs. On most outboards you can tell when the thermostats open when running on a hose. When this failure occurs the engine will overheat rapidly usually within the first fifteen minutes of driving and can be accompanied by a thumping sound as the hot coolant is trying to mix with the cold coolant in the radiator. I was also getting water in the oil and figured this was a result of 1) overcranking when I tried to start it with bad/old/watery gas last Fall and/or 2) the stuck valve causing that cylinder not to fire, allowing for low enough exhaust pressure for water to back up or something again, not sure which happened first, because in hindsight the. How To: Dock Your Boat. Today's video is about changing the thermostat in a 30 horsepower Johnson outboard and it's proudly sponsored by MarineEngine. The base of a reciprocating internal combustion engine is the engine block, which is typically made of cast iron or aluminium. Keep Water Out of Your Fuel. Problem:*Check engine light (MIL) is on. If the problem moves to #3, replace the opposite power pack (switch Box). A 2 amp charger should easily out-charge any small key-off power draw. When you check it, and it checks good, you know you won’t have to replace it to find out if it is “good”. Sometimes we encounter our outboards not running properly. Diagnose and fix marine diesel engine problems at sea. Cause:*The thermostat is stuck open. The following is a chart of potential carburetor problems and possible remedies. If these symptoms match what you are experiencing then the little engine may have damage already as you have "stuck" or seized the engine several times. Thermostats for Yamaha Outboard Motors. Additionally, a very long time before the block fills with water and the stream is weak at slow speeds and idle. I would flush the entire system.