1 d
2 stroke outboard fouling plugs?
Follow
11
2 stroke outboard fouling plugs?
(78) For all 2 stroke outboards, if you notice oil "leaking" near the foot of the motor, it is NORMAL because all the oil in the gas that went into the engine for lubrication must either "burn" or drip-out after the motor is shut down. Results 1 to 12 of 12 Thread Tools. Tweet 06-26-2005, 03:20 PM. Many of us will have experienced that super friendly cat who seems to love being stroked one minute, only to bite or swipe at us the next. Locate the Spark Plugs: Identify the spark plugs' location on your outboard motor. If I pull the plug wire on cylinder 2 there is no change. However, it could be a sign of a larger mechanical failure, something the right Jaltest diagnostic tool will be able to pick up on Loss of engine power. This NMMA TC-W3 oil reduces exhaust smoke. With oil and gasoline covering the carbon that has adhered to the firing end, the insulation resistance value drops abruptly, causing misfires. Lastly, check the reeds, float height on the carb and the crank seal on the clutch side. It starts out fine but after a day of combined crusing and idling it will no longer idle. I have a 09 Merc 50 2 stroke. the spark plug is on the cylinder/crankcase diagram, probably the same for both models. Feb 6, 2019 · Yamaha 115 2 stroke fouling plugs at idle. Advertisement This is what a two-stroke engine looks like: You find two-stroke engines in such devices as chain saws and jet skis because two-stroke engines have three important ad. Apr 9, 2009 · One of the most common issues with two cycle outboard motors occurs when the spark plugs become saturated with gasoline, and foul out. Photo 2: Wet fouling. Staton’s Marine Service has been selling Suzuki Outboards exclusively since 1982. 04-10-2016, 01:41 PM. Actually 2, a F115 and a LF115. I've got a plug fouling problem on my 2000 Yamaha 90 hp 2-stroke that's creating some terrible idle at times. That should still take a very long time. (78) For all 2 stroke outboards, if you notice oil "leaking" near the foot of the motor, it is NORMAL because all the oil in the gas that went into the engine for lubrication must either "burn" or drip-out after the motor is shut down. We offer a full catalog of Johnson Evinrude parts for your outboard motor including fuel filters, water pumps, seals, gaskets, propellers, and more. A dark soot or black appearance on a spark plug means the outboard is experiencing low compression or a vacuum leak. A visual inspection of your boat engine’s sparkplugs can help you diagnose problems. Black, oily Spark Plug: Oil fouled (see valves or piston rings. There are jets (which they shouldn't have changed), there is the float level, and depending upon which carbs you have, there is the needle setting. Checked the fuel lines, checked the water flow, and cleaned the carborator. If you're turning your key and the starter motor isn't cranking then you may have a faulty solenoid Flywheel. Please be sure to include your engine serial number!. The spark plug firing end temperature must be kept low enough to prevent pre-ignition, but high enough to prevent fouling. Being a two stroke expect oil to come out of the exhaust. Staton’s Marine Service has been selling Suzuki Outboards exclusively since 1982. Member9 4-stroke is used only as a trolling motor, mostly at very low rpm, 800-1100 rpm. The spark plugs stick into the cylinders too. Over time, they can become fouled due to the buildup of carbon, oil, or other debris The break-in period for a Mercury 4-stroke outboard engine is typically the first 10 hours of operation. Please view the application guide below 2-Cylinder 2-Stroke 2-Stroke: QL78YC: L78YC: 0. No more fouling out, engine never misfires This spark plug lead connects to the secondary circuit, which sends an electrical charge from a coil to the spark plug. Boat runs fine for a couple of runs but then I start her up and after a minute or 2 it's starts to misfire and eventually die. In order to access the crankshaft of the motor the flywheel wil. Engine hours approx 170. The improved throttle response, superior anti-fouling, and high ignitability make this NGK Iridium Spark Plug upgrade ideal for Mercury, OMC, and Yamaha 2-stroke outboards with ADI/CDI ignition systems, and who are performance boaters, river runners, drag, and F1 tunnel boat racers. I have changed one coil that was bad. Two strokes are relatively sensitive when it comes to carburetion. 06-11-2016, 05:04 PM. Both times it was just one plug out of three. I will be riding along fine and. Regular maintenance and troubleshooting can help identify and rectify these issues. Photo by Kevin Falvey Carbon fouling is not the plug's fault, however, the outboard's owner had installed a plug that was too cool for the engine. Old Gas or bad gas; Clogged air filter; Incorrect gas/premix ratio; Worn or damaged. Feb 10, 2013 Re: 9. Compare it to the new plug on the right. The motor just flutters. Staton’s Marine Service has been selling Suzuki Outboards exclusively since 1982. If it is white or gray, the main is too lean. MarineEngine. even then it will not idle right. Oily and black: Fouled oils. There are jets (which they shouldn't have changed), there is the float level, and depending upon which carbs you have, there is the needle setting. so oil/fog into spark plug holes, crank motor over to coat cylinder walls, etcgood idea to go heavy on Stabil/Seafoam in last tank of fuel to help prevent fuel fouling in injectorsdrain each carb if your motor has carbs, for any extended lay-ups Valvoline 2-Stroke Outboard Marine Oil is specifically designed to help maintain torque and acceleration of water-cooled, high-revving outboard engines with pre-mix or direct injection systems piston burning, port blocking and spark plug fouling. Anyaway when going back to Terra Firme give the engine a full throttle as if. Fortunately, the plugs are very easy to. Here is how it works 2021 YZ250x is a plug fouling machine. Apr 9, 2009 · One of the most common issues with two cycle outboard motors occurs when the spark plugs become saturated with gasoline, and foul out. When it seems like no amount of replacement plugs can fix the issue, it might be due to a number of factors. And there are only 7 digits in. There are jets (which they shouldn't have changed), there is the float level, and depending upon which carbs you have, there is the needle setting. I had posted a week or so ago about an engine problem that I had. Then rpm drops back to 3000 and will not rev up a again. Could be a 40 with a 50 cowling. A visual inspection of your boat engine’s sparkplugs can help you diagnose problems. Actually 2, a F115 and a LF115. A loss of power in a 2-stroke outboard engine at full throttle can be caused by issues like a dirty or clogged carburetor, fouled spark plugs, damaged reed valves, an incorrect fuel-to-oil mixture, or a clogged fuel filter. 2-stroke is not a dirty word! We know them and work on them as well as 4-strokes. May 13, 2008 · I've got a plug fouling problem on my 2000 Yamaha 90 hp 2-stroke that's creating some terrible idle at times. Whether your Johnson outboard is in need of replacement parts or routine maintenance, Wholesale Marine has you covered. You may also find the Champion spark plug code helpful. Advertisement Some s. Should last for years. One thermostat was stuck partially open. When the spark plug in your outboard engine is damaged, fouled, or too old, it can't provide proper. it's one of the first signs of a sick engine Normally functioning two-stroke engines won't deposit oil on spark plugs, but with the oil and gas mixed together, it can happen under several circumstances. Both times it was just one plug out of three. Most outboards were not made to run slow. Sep 11, 2007 · If the plugs started fouling just after the carbs were gone through, I would take them to a reputable boat shop and have them tuned on the water. I had posted a week or so ago about an engine problem that I had. depending on what motor you have it could be a coil or the ignition module itself. Take the spark plug in your hand and begin looking at it for signs of damage. Adjust the screw in small increments, waiting a few seconds after each adjustment to see the effect. Sep 11, 2007 · If the plugs started fouling just after the carbs were gone through, I would take them to a reputable boat shop and have them tuned on the water. The rich air fuel mixture causes relatively cool and incomplete combustion. I have a 09 Merc 50 2 stroke. May 13, 2008 · I've got a plug fouling problem on my 2000 Yamaha 90 hp 2-stroke that's creating some terrible idle at times. Aug 27, 2008 · Add in excessive fuel (hydrocarbons) especially at low rpm's, and that just adds more resistance to the spark trying to jump the gap. Links to the best spark plugs for mercury 2 stroke outboard 2023. sxs videos Boat runs fine for a couple of runs but then I start her up and after a minute or 2 it’s starts to misfire and eventually die. Photo 2: Wet fouling. The ashless dispercement oil fights rust deposits in the combustion chamber, intake and exhaust passages. Does your manual give you spark plug options? I know with my 2 stroke motorcycle that a hotter plug was recommended if it was not going to be driven hard, and a cooler plug recommended for hard running. Should last for years. If I pull the plug wire on cylinder 2 there is no change. And, whenever possible, we rebuild rather than replace. A fouled spark plug could be the cause of your outboard starting problems. Then rpm drops back to 3000 and will not rev up a again. It has outstanding detergency, anti-wear and anti-scuff performance properties. Sep 11, 2007 · If the plugs started fouling just after the carbs were gone through, I would take them to a reputable boat shop and have them tuned on the water. During this time, operate the engine at varying. babes con "Works perfect in my Mercury 2 Stroke outboard 90HP boat motor. If you're fouling spark plugs in one cylinder then you are most likely experiencing an ignition failure. The symtom is the motor needs extra throttle for initial start. May 13, 2008 · I've got a plug fouling problem on my 2000 Yamaha 90 hp 2-stroke that's creating some terrible idle at times. So you can spend more time enjoying the water and less time worrying about what's going on. CBus660R. Apr 9, 2009 · One of the most common issues with two cycle outboard motors occurs when the spark plugs become saturated with gasoline, and foul out. Take the plugs out and they are wet. It starts out fine but after a day of combined crusing and idling it will no longer idle. With a record-breaking heat wave roasting the Pacific Northwest, it’s important to not only stay relatively cool but to active. For example, 1 pint of quality outboard oil to 6 gallons of low or no ethanol fuel yields a 50:1 ratio. Single Spark plug on V-6 Yamaha fouling-up. It has been well accepted that atherosclerosis is the result of chronic inflammation. Wet fouling is seen, for example, in motorcycles (with two-stroke engines). can be from bad carboration, spark, carbon, compression, misadjusted gap, just to name a few. i discuss oil ratios. Your car coughs and jerks down the road after an amateur spark plug change--chances are you mixed up the spark plug wires. Paint in shoulder width strokes to ke. Mar 10, 2021 · Engine seemingly runs good for all of 15-30 seconds, before fouling cylinder 2 spark plug and starting to run noticeably crappier (misfiring) and eventually dying out. Inspect the spark plug for any signs of damage or fouling; Clean the spark plug with a wire brush or replace the spark plug if needed;. That should still take a very long time. Never pour the oil in a full tank of gas on the bike,it drops right to the bottom and into the carb (nearly)no matter how much you shake the bike. The problem is it will come up on plane once. And there are only 7 digits in. use Seafoam and after an 1 1/2 to 2 hours, pull in the lines and run it at higher rpm for a few minutes. derry news death notices If you’ve suddenly found yourself in the role of care-taking or supporting a loved one after a stroke, there are a few things you should know in order to best help them and also ta. Set your spark tester for 30,000 or 40,000 volts. Whether your Johnson outboard is in need of replacement parts or routine maintenance, Wholesale Marine has you covered. My 2 stroke 60 HP Yamaha runs great then plugs get fouled after 4-5 hours As a semi-novice, can I adjust the fuel/oil mixture without. A compression test, as well as a leak-down test, may help you identify what is causing your plugs to foul. Trusted Health Information from the National Institutes of Health Acting fast and understanding telltale symp. (78) For all 2 stroke outboards, if you notice oil "leaking" near the foot of the motor, it is NORMAL because all the oil in the gas that went into the engine for lubrication must either "burn" or drip-out after the motor is shut down. Ask the experts on our Yamaha Outboard Forum for repair issues, diagnosing problems, links to diagrams, suggestions on buying parts and more Running a 2004 200hp 2 stroke with fuel and oil injection. Aug 5, 2004 · Running a 2004 200hp 2 stroke with fuel and oil injection. The leaking wet seal can be diagnosed with a simple leak down test, and the jetting , well, stock settings are a good place to restore to, and then make initial adjustments based on altitude and weather 2 Big Jon Honda 5hp Outboard Shop Outboards View All; Fishing Boat Seats. Many of us will have experienced that sup. May 24, 2010 · Mercury & Mariner Outboards. May 13, 2008 · I've got a plug fouling problem on my 2000 Yamaha 90 hp 2-stroke that's creating some terrible idle at times. It has gotten worse and will no longer plane out and sounds like it is. Share #1. Look for loose connections, disconnected hoses, or obvious damage. Mercury 90 2 Stroke fouling one plug after some use, stalls when accelerating. All started after power head removed to fit a new crank seal which was leaking.
Post Opinion
Like
What Girls & Guys Said
Opinion
33Opinion
You can compare various part numbers between the 40 & 50 to see the differences. I've cleaned the carbs, the float height is at spec, and the pilot screw is at the recommended 1-1/4 turns out (6H107 stamp). If it’s good, then clean off the carbon from both ends of it with a soft-wire brush and pop it back in to see if that solves the problem. Both times it was just one plug out of three. Ask the experts on our Yamaha Outboard Forum for repair issues, diagnosing problems, links to diagrams, suggestions on buying parts and more 90hp Yamaha Fouling Plugs 06-26-2007, 10:00 AM. Whether your Johnson outboard is in need of replacement parts or routine maintenance, Wholesale Marine has you covered. To the point that they would start to miss after about 45 minutes of cruise running, 4000-4500 rpm's. , and a plug will still not fire, or last very long if it does. Each year about 795,000 people experience a stroke in the United States with. Apr 9, 2009 · One of the most common issues with two cycle outboard motors occurs when the spark plugs become saturated with gasoline, and foul out. Hold on to your old plug(s) if they were fouled with oil or fuel gum and then have an outboard mechanic take a look to diagnose the possibility of more serious problems inside your engine. Summary. It has gotten worse and will no longer plane out and sounds like it is. Share #1. Paint in shoulder width strokes to ke. more oil at a certain point reduces carbon buildup in the engine. Re: 1998 90 hp yamaha fouling plugs and oil in carb throats the pump that operates the system. depending on what motor you have it could be a coil or the ignition module itself. I cant seem to get an intelligent answer from anyone regarding the types of plugs I can use in this engine. Spark Plug Article number Name Description For models; 9701-1-1009: Spark plug: NGK B8HS-10. Any ideas on my problem? I have a 2007 CR125R and it fouls spark plugs way too much. Jan 21, 2017 · Hi, just wondering pulled plugs today, motor was stalling at idle after quite alot of trolling, despite a long hot run plugs still bit fouled up Jun 27, 2010 · if it is a 2 stroke, it will foul plugs at long intervals at idle speed. Apr 9, 2019 · After a long storage, both motors were fouling plugs. mantis shrimp for sale texas In order to access the crankshaft of the motor the flywheel wil. We offer a full catalog of Johnson Evinrude parts for your outboard motor including fuel filters, water pumps, seals, gaskets, propellers, and more. To the point that they would start to miss after about 45 minutes of cruise running, 4000-4500 rpm's. To find out if the plug is the cause, test it first (more on that later). One thermostat was stuck partially open. There are jets (which they shouldn't have changed), there is the float level, and depending upon which carbs you have, there is the needle setting. The plug on the left is fouled with carbon. If the plugs started fouling just after the carbs were gone through, I would take them to a reputable boat shop and have them tuned on the water. Please select your application and get all our suitable NGK and NTK parts - ranging from spark plugs, glow plugs, ignition coils and leads, to oxygen sensors, air mass and intake manifold pressure sensors, speed & position sensors and EGR valves. Some stroke patients end up with constant hiccups because of damage to their brain. That seems to have helped in my case too. Motor sat for 4 years, first thing I did was pull the carbs and full carb clean with new gaskets/floats/needles New fuel pump. Each year about 795,000 people experience a stroke in the United States with. use Seafoam and after an 1 1/2 to 2 hours, pull in the lines and run it at higher rpm for a few minutes. I have changed one coil that was bad. Stroke is the fifth leading cause of death in the country and the top reason for adult disability (1). The plug on the left is fouled with carbon. Mar 10, 2021 · Engine seemingly runs good for all of 15-30 seconds, before fouling cylinder 2 spark plug and starting to run noticeably crappier (misfiring) and eventually dying out. The ignition switch sends a signal to the solenoid when you turn your key allowing it to open; this allows voltage from your battery to pass through it to the starter motor. If the plugs are fouled they wouldn't start on either of those. cvs store numbers depending on what motor you have it could be a coil or the ignition module itself. The cutting-edge treatment for stroke isn’t an elegantly crafted drug or a gen. When the spark plug in your outboard engine is damaged, fouled, or too old, it can't provide proper. use Seafoam and after an 1 1/2 to 2 hours, pull in the lines and run it at higher rpm for a few minutes. If the PCV valve is stuck open, the excess vapors and oil droplets can quickly foul the spark plugs. If you're fouling spark plugs in one cylinder then you are most likely experiencing an ignition failure. 178 main, needle 2nd position, 45 pilot, PJ 50, and 32:1 on 91 pump gas. Next, check the spark plugs for signs of fouling. That said, some of the popular fouled spark plug symptoms include rough idle, engine misfires, ignition issues, decreased fuel efficiency, and increased emissions. Mar 10, 2021 · Engine seemingly runs good for all of 15-30 seconds, before fouling cylinder 2 spark plug and starting to run noticeably crappier (misfiring) and eventually dying out. Fouled spark plugs are usually caused by internal oil leaks into the combustion chamber, such as leaking valve seals or piston rings. Even when you first leave the ramp idling 15 minutes,with clean plugs,no problem. Appearance: The insulator foot section and electrode section are covered with dried, soft black carbon high oil content in air-fuel mixture. With oil and gasoline covering the carbon that has adhered to the firing end, the insulation resistance value drops abruptly, causing misfires. I run the EG nickel plugs and they don't foul either but they will wear out more quickly than the Iridium plug. Sasol Engine Oil 2-Stroke Outboard is ashless 2-stroke outboard engine oil. Wet fouling is seen, for example, in motorcycles (with two-stroke engines). Mix ratio? Thread starter FstaRockr Burns; Start date Jan 21, 2017; FstaRockr Burns Regular Contributor. Take the plugs out and they are wet. Both times it was just one plug out of three. Champion Spark Plugs for Force Outboard Motors. May 24, 2010 · Mercury & Mariner Outboards. NGK Spark Plug Heat Rating. skoolie for sale california However, not all 15-horsepower Mercury outboards are two-stroke engines; many newer models are. You may also find the NGK spark plug code helpful Tweet '98 115hp 2stroke Oil leak from spark plugs. The plug on the left is fouled with carbon. When the spark tries to jump the gap of a spark plug, there's a certain amount of resistance due to the plug gap, compression and heat. Aug 5, 2004 · Running a 2004 200hp 2 stroke with fuel and oil injection. By clicking "TRY IT", I agree to receive newsletters and promotions from Money and its partners Make sure your weekend pastime doesn't wreak havoc on your budget—or your marriage. Both times it was just one plug out of three. Engine seemingly runs good for all of 15-30 seconds, before fouling cylinder 2 spark. We offer a full catalog of Johnson Evinrude parts for your outboard motor including fuel filters, water pumps, seals, gaskets, propellers, and more. Photo by Kevin Falvey. you mix is almost perfect 1/2 ounce too much, are you using TCW-3 outboard oil, the synthetic TCW-3 smokes less. The leaking wet seal can be diagnosed with a simple leak down test, and the jetting , well, stock settings are a good place to restore to, and then make initial adjustments based on altitude and weather 2 Big Jon Honda 5hp Outboard Shop Outboards View All; Fishing Boat Seats. Runs rough - sputtering. To make it easy for you to see the heat range of your spark plug, the number is printed into the plug's part number. Suzuki Outboard NGK Spark Plug Guide. Recognize stroke experts and gain insight into the latest research. Feb 6, 2019 · Yamaha 115 2 stroke fouling plugs at idle. Look for deposits, such as black soot or oil residues, on the spark plug's electrodes and insulator.
The motor just flutters. Thread starter Jerry Glenn; Start date Apr 1, 2012; J. I've fouled a plug 2 times in my KTM and I've got 700+ hours on it. All get hot and don't look fouled. The plug on the left is fouled with carbon. All started after power head removed to fit a new crank seal which was leaking. WE RECOMMEND NGK INSTEAD, AND TRADITIONAL ELECTRODE-GAP RATHER THAN SURFACE-GAP PLUGS WHERE POSSIBLE. proboard transcript WE RECOMMEND NGK INSTEAD, AND TRADITIONAL ELECTRODE-GAP RATHER THAN SURFACE-GAP PLUGS WHERE POSSIBLE. Make sure your weekend pastime doesn't wreak havoc on your budget—or your marriage. If I clean the plugs they run again for same amount of time, clean, repeat. If I keep running it will start missing at higher speeds also. That seems to have helped in my case too. tanqr face reveal Each person has a different recovery time and need. If the plugs started fouling just after the carbs were gone through, I would take them to a reputable boat shop and have them tuned on the water. The plug on the left is fouled with carbon. The spark plug, for instance, plays a critical role in the ignition process, but is also subject to frequent fouling due to incomplete combustion. Compare it to the new plug on the right. All 8 plugs black fouled, dry, no oil. craigslist jobs gainesville fl May 24, 2010 · Mercury & Mariner Outboards. Aug 27, 2008 · Add in excessive fuel (hydrocarbons) especially at low rpm's, and that just adds more resistance to the spark trying to jump the gap. Plug electrodes—the ends that sit in the engine—that are worn, appear burned, or have dirty or oily deposits should be replaced with properly gapped plugs. 4-stroke spark plugs have the side electrode extending past the center electrode for better wear with the transfer of electrons. Knowing how to evaluate your spark plugs is a useful skill for adjusting the flow of gasoline and outboard motor oil your vehicle's engine burns and identifying other potential engine problems. The piston rings (the component that seals piston and cylinder) are failing. The spark plugs are NGK LKR6E.
Sasol Engine Oil 2-Stroke Outboard is ashless 2-stroke outboard engine oil. Remove plugs wire and none seen to be dead. These crank seals when leaking suck in transmission oil. Sep 11, 2007 · If the plugs started fouling just after the carbs were gone through, I would take them to a reputable boat shop and have them tuned on the water. Lead fouling usually appears as yellowish brown deposits on the insulator nose A worn spark plug not only wastes fuel but also strains the whole ignition system because the expanded gap (due to erosion) requires higher voltages. Should last for years. Boat runs fine for a couple of runs but then I start her up and after a minute or 2 it’s starts to misfire and eventually die. Feb 15, 2010 · Motor has not been used very much and has 150 psi compression. I run the EG nickel plugs and they don't foul either but they will wear out more quickly than the Iridium plug. Sep 11, 2007 · If the plugs started fouling just after the carbs were gone through, I would take them to a reputable boat shop and have them tuned on the water. I have spent several years exploring the role endocannabinoids, lipid-based neurotransmitters. com 184 Jones Drive Brandon, VT 05733 USA (800) 209-9624 (802) 247-4700 (802) 419-3055 Fax Spark plugs come in different heat ranges. 04-10-2016, 01:41 PM. used refrigerator for sale craigslist May 24, 2010 · Mercury & Mariner Outboards. Put in the next heat range plug and take the rig for another 5 minute run. so oil/fog into spark plug holes, crank motor over to coat cylinder walls, etcgood idea to go heavy on Stabil/Seafoam in last tank of fuel to help prevent fuel fouling in injectorsdrain each carb if your motor has carbs, for any extended lay-ups Valvoline 2-Stroke Outboard Marine Oil is specifically designed to help maintain torque and acceleration of water-cooled, high-revving outboard engines with pre-mix or direct injection systems piston burning, port blocking and spark plug fouling. May 3, 2004 · I have a 2002 Yamaha 130 2-stroke that continually fouls plugs after a day of fishing. Feb 15, 2010 · Motor has not been used very much and has 150 psi compression. Both times it was just one plug out of three. Was the plug fouling before you richened up the mixture. They are wet and oily. Huett is Yamalube 2 Stroke Motor Oil TC-W3 ok for a 90hp vro evinrude 86 model Edited May 9, 2011 by. The plug on the left is fouled with carbon. And, whenever possible, we rebuild rather than replace. Tohatsu Outboard NGK Spark Plug Guide Please view the application guide below. kittens for sale dallas i have had plugs last over 50 hrs. 1997 Mercury 60 hp 2 stroke fouling plugs. 100TonCaptain Recruit. I can't hear an RPM change to fine tune the pilot screw. Explore pre-conference symposia for the International Stroke Conference hosted by the AHA. I run the Pennzoil Marine 100% Synthetic oil (Walmart $27/gallon) in my 90HP Yamaha and it burns. Hello all, I've been having a very frustrating time with my Yamaha 2002 OX66 250 HP 2 stroke. Both times it was just one plug out of three. Boat runs fine for a couple of runs but then I start her up and after a minute or 2 it’s starts to misfire and eventually die. A carbon-fouled Spark plug looks like this Carbon-Fouled-Spark-Plugs Other possibilities are the carburetor is adjusted too rich, or on a two-stroke outboard, when pouring too much oil in with the gasoline. Dec 31, 2017 · i have a 2001 130 2 stroke outboard and have a recent problem with plugs repeat fouling. So, what are some of the common causes of flooded boat motors? Choke. Inspect the spark plugs for damage to the insulator tip, boot and upper and lower insulators. One thermostat was stuck partially open. (78) For all 2 stroke outboards, if you notice oil "leaking" near the foot of the motor, it is NORMAL because all the oil in the gas that went into the engine for lubrication must either "burn" or drip-out after the motor is shut down. That should still take a very long time. Motor has not been used very much and has 150 psi compression. When you mix up the gas,be sure to put the oil in a can first then pump in the fuel. A fouled spark plug could be the cause of your outboard starting problems. Video has all detail on time, cost, part NGK LKR. Both times it was just one plug out of three. All 8 plugs black fouled, dry, no oil. The fuel pump may have a hole in the diaphragm causing raw fuel to get sucked into that cylinder causing a very rich mixturecheck plugs for fuel wetting/fouling. Engine hours approx 170.