anybody have any ideas. You won't see any blackening near the exhaust after each use. As long as you have been kind enough to help this far, I have another problem. I have been very busy with work recently and have had little time to look at the mk10. Third thing: Gotta be the plug. Starting fluid must be used sparingly. New NGK plug. Check the spark plug by removing it from the engine, touching the bare metal of the spark plug's base to bare metal of the engine and cranking the engine. Sprayed starting fluid in carbs and engine fired fo a split second so I think the spark is definitely there. If your Chainsaw won't start, there are common problems that you can check and troubleshooting steps that you can try before taking your chainsaw for servicing. However, if you jumped this motor in or if you just did a lockout and brought it up from a sub. DOWNLOAD outboard or inboard marine repair manuals straight to your computer in seconds—fix your problems now. Hard vehicle start. Seems to be getting fuel and has good compression. Luckily, some of the potential issues can be fixed on your own. 9 & 15 hp outboards 1974 – 1992 (Engine Troubleshooting) I am sure that sometime you may acquire a motor, or be asked to help with one that has sat for some time & or possibly will not start. Now it won't start at all. So the base of the plug needs to be held against the cylinder or a jumper wire needs to be utilized. Whether you have a Johnson Evinrude Mercury Mariner Yamaha Force or Chrysler outboard boat motor, we have a precision trigger/timer base that will provide many years of dependable service. Welcome to TheMalibuCrew! As a guest, you are welcome to poke around and view the majority of the content that we have to offer, but in order to post, search, contact members, and get full use out of the website you will need to Register for an Account. ,wires,distributor cap&rotor " also first. I was thinking the crank sensor could be bad hopefully and not the ecm. Test starter, rebuilt old one installed. 0 mpi mercruiser engine won't crank over mercruiser 350 mag mpi idle problem johnson outboard 88hp map idle check yamaha 60hp outboard power trim tilt assembly hydraulic how to adjust idle rpms on johnson 225 why evinrude 70hp wont crank 2005 johnson 200 hp ocean runner 2 stroke outboard fuel. It wont start (i. Suzuki Outboard Parts Forum; If this is your first visit, be sure to check out the FAQ by clicking the link above. Third thing: Gotta be the plug. The second section is for an engine not turning over. What Goes Wrong? An engine needs three things to run; Compression, fuel and spark. When the engine will rotate but, will not start, it can typically be attributed to one of two causes: Lack of fuel Lack of spark This is where a fuel pressure gauge, a spark tester, and a digital multimeter are essential. How to diagnose a "No-Start" Condition on a Mercruiser 3. It has good spark and is getting fuel, outboard. However, if you jumped this motor in or if you just did a lockout and brought it up from a sub. Doesn't affect the compression. anybody have any ideas. Most modern outboards have some common parts and measurements to be aware of. Or, it would be, if you hadn't seen this video on basic troubleshooting when your outboards won't start. It turn over and wants to start you can hear it trying to catch but it won’t catch unless you put some starter fluid in. Spark plug sales take off when cold weather arrives is because many motorists put off changing the plugs until they absolutely have to. The result is that we have a pretty good idea of what these new engines offer and the best applications for them. The second section is for an engine not turning over. You may have to register before you can post: click the register link above to proceed. Bought the Dax RT carb, current has a 60 jet have tried a 65. There's nothing quite as frustrating as looking forward to getting out on the water only to arrive at the marina to find your engine won't start. It starts with starting fluid only. Adjust spark plug gap to factory specs. It has been hard to start since I got it so I cleaned the plugs and I do have spark. A downloadable repair manual is a digitally delivered book of instructions that provides step-by-step maintenance, troubleshooting and repair procedures. The appliqué is stamped with the month/year of production for that outboard (ex. 9 mid 90's mercury. Over the winter I had my Yamaha 4hp fourstroke (F4MSHD-2005) serviced and then I just ran it for the first time 4 weeks ago. However, enough information in 25HP outboard repair manuals is given for do-it-yourself or apprentice mechanics to correctly and safely perform repair work to their 25HP outboard motor and components. I think most people start their motors before putting their boat in the water, I know I do but I do it at home on the hose. I didn't think much of it at the time but maybe this is all connected somehow. Row or paddle back and tie on or drop your dinghy anchor. Glad you got it running, but the suggestion to pull a spark plug and ground it to see if you had a spark, made me cringe. There wasn't much of a range available to choose from. Someone took the time to replace the wires going down into the lower unit also. Third I have taken the carb off and cleaned it twice and put it back together and put it on. It's usually something simple. Individuals using this 25HP outboard marine repair manual should possess basic knowledge of tools and mechanical theory. We have included the two different problem scenarios; the engine is not running and the engine is not cranking over. The on-engine neutral switch has to indicate that the motor is out of gear otherwise the motor will crank over OK but will not start. For your spark test, don't use the spark plug — set the gap on the tester to 7/16″, clip it to the engine block and attach the plug lead. I'm wondering if anyone has any input on a not-able-to-start problem I now have with a 2002 Yamaha 115 4-stroke. The spark plug should be out for this test. Please ask question through ebay messages. Starters are easy to bench test if you are handy with a wrench. anybody have any ideas. It will start right away and idle when I first put it in the water (every time). Before attempting to change a spark plug, you must allow the engine to cool; at that point you can remove the engine cover, take a spark plug wrench and 17 millimeter wrench from your tool kit and remove and inspect the spark plugs. However today, it just cranked, but not hint of popping off. Start by removing the air cowling, then disconnect the choke linkage, throttle cable, and fuel line. It was stuck on the slowest speed so there was no way it could fire. I thought it was the starter but replaced it to no avail. You may have to register before you can post: click the register link above to proceed. there was a lot of sheared metal laying around and collected around the magnet. At the same time, accumulated deposits on the insulator can drain off voltage before it even has a chance to form a spark. An outboard Tohatsu repair manual is a professional. Does your battery have enough charge to both crank the motor and produce strong spark? (It should be noted for accuracy that the battery doesn't produce spark directly. However, after priming the cylinder with a little fuel, I cannot get it to fire. By Brandyn193, April 1 A timing light won`t help at all he said he has the timing marks spot on and it has good spark at the plug. Thumb over the spark plug hole , anything that puffs when you crank should be sufficient. This is what it does: Kick it many times and every now and then it will start. KX125 backfires but wont start. Leave it for about 10 minutes for fuel to evaporate before attempting a re-start. If you have trouble starting your vehicle, it could be a sign your spark plugs are worn. So the first thing is you do need to change the spark plug, the air filter, and the oil (and filter if it has one), and since we don't run engines outside of their maintenance schedule now is a good time to bring the maintenance up to date. Remove the cover off the front of the carburetor,remove the lower drain plug # XXXXX see what comes out, water will bead and you may find some debris,. Had some issues with it pumping water at WOT but after coming back to an idle it would pump fine after revving a little. This creates a spark. I understand that oil has leaked inside the case and I should clean the spark plug and the carburetor but have really no idea how to go about doing this and can't find relevant. You should also check to make sure the spark plug gap is set correctly. I took the carb off and cleaned that, the plugs were sparking, and fuel was in the combustion chamber. Outboard Starter Motor not spinning fast enough - Engine wont start. Is there a reasonably simple way to diagnose the issue? Then, of course I'd need to order the necessary parts. Cranks over but won't fire. It doesn’t matter what brand of outboard you are us most of all starting problems are caused by the same group of things and don’t require a mechanic. Does something plug into these? After replacement of regulator and wire harness. Motor will start easy enough when cold, but if I shut it off after running awhile it can not get it started again, even when using starting fluid. It has good spark and is getting fuel, outboard. Sometimes I have spark sometimes I don't have spark when it sparks motor will fire right up and run for a few mins then shut off and wont start again for a few mins Outboard Spares Response Hi, So if your engine is running the twin switch-boxes then it could be that you have a faulty switch-box. has lots of Spark and it has enough compression to run It wont even pop nothing at all. A word of caution: if you mishandle the plug, you could get a mild. I understand that oil has leaked inside the case and I should clean the spark plug and the carburetor but have really no idea how to go about doing this and can't find relevant. 0L MPI Alpha 1). You may have to wait for a long time if you take it to a repair shop during this time of year. I have a 2001 Launch with the 5. Mercury outboard motor won't start. Been a great motor. They were tent camping on Riffe Lake’s shore, a winter holding water impoundment in Washington State,. I have gapped my points at. If you have to shut it off after it is warm, you'll have to wait about 15 minutes before it will start again. As long as the gap is set correctly (err on the tight side if you have to - it will expand/erode over time), and you have a spark, you're good to go. This section will deal basically with getting a motor running, & not fine tuning. plugs are clean, no water, not fowled. "Help with My Tiller That Won't Start. Re: 1972 Mercury marine outboard wont start. Thumb over the spark plug hole , anything that puffs when you crank should be sufficient. pull one spark plug out set it on bare metal(away from cyl hole fuel could light from spark) turn vehicle over and look for spark should be a nice lightning bolt looking spark blue spark is weak spark. It has good spark and is getting fuel, outboard. Recovery of a Submerged Outboard Motor from a Fresh Water Grave. 2) Attach black connector spark plug. 2 triggers under the flywheel, and 1 ignition box. You may have to wait for a long time if you take it to a repair shop during this time of year. 0 mpi mercruiser engine won't crank over mercruiser 350 mag mpi idle problem johnson outboard 88hp map idle check yamaha 60hp outboard power trim tilt assembly hydraulic how to adjust idle rpms on johnson 225 why evinrude 70hp wont crank 2005 johnson 200 hp ocean runner 2 stroke outboard fuel. Chainsaw won't start, now what? A chainsaw can be a very useful tool for homeowners and professionals alike, until it stops working! When your chainsaw won't start, it can cause a setback with your project and could even set you back financially for repairs. The appliqué is stamped with the month/year of production for that outboard (ex. Maintaining Johnson/ Evinrude 9. why wont my 1997 70hp evinrude wont start; why wont my 70 hp outboard motor start; why would a 70hp evinrude outboard crank hard; yamaha outboard 70 hp 2 stroke review; yamaha outboard 70 hp plug gap? what is spark plug gap for 70 hp yamaha outboard? what is the carb adjustment on merc 700 1977; what is the idle rpm on a 70 hp evinrue outbaord. It was stuck on the slowest speed so there was no way it could fire. They provide voltage to your switchbox or CDM's. Came home, cleaned the boat, went to flush the outboardit won't start. I have spark, and after repeated cranking the plug is moist with fuel, so I think I have spark, fuel, and compression, but it won't even sputter, nothing at all. Is everything properly attached and in the right place? If you’re having trouble getting your outboard to run, it may be something simple. At the same time the tach LED display goes blank. I can wrap the emergency starter rope around the flywheel. First check to see if you have spark at the plugs, if not it may be a bad coil. So I have been troubleshooting the problem. Start with the basics, any engine requires three things to start, a charge to turn it over and supply power to the ignition, and fuel for the ignition to ignite. As long as you have been kind enough to help this far, I have another problem. You may have to register before you can post: click the register link above to proceed. Please ask question through ebay messages. " We dealt primarily in small runabouts, which means mostly outboard, I/O, or inboard (including v-drive) boats under 25 feet. 7L Indmar 350 EFI direct drive. You can check for spark using a multimeter, test light, screwdriver or even by removing the spark plug and grounding it on the engine block or frame. One of my boats, a 24 pontoon with a 1992 Foce 70 hp has a problem. One factor you probably did not consider as to why your chainsaw won’t start is a result of having bad fuel in the tank. Engine is low on power. DO NOT start tweaking or rebuilding or anythink like that until you have reason to believe that's really the fix. The first section is for an engine that won't run. It has good spark and is getting fuel, outboard. I was thinking the crank sensor could be bad hopefully and not the ecm. They charge your vessel's battery(s). Since returning from holiday my hubby has had a look at it and removed spark plugs, which were wet but when cleaned and tested had good spark. Output: Engine output is a vital measurement of an outboard, which uses horsepower, or HP. Check the fuel lines connecting the outboard motor to the fuel tank. You won't see the wiring insulation on these start to crack and crumble like OEM. Fire to the plugs is good , fuel to the injector rail is good. Honda Outboard Parts Forum; If this is your first visit, be sure to check out the FAQ by clicking the link above. It's almost always a self-inflicted problem. If any breaks or leakages are found, immediately stop use of the outboard motor and take it to the shop for repairs. why wont my 1997 70hp evinrude wont start; why wont my 70 hp outboard motor start; why would a 70hp evinrude outboard crank hard; yamaha outboard 70 hp 2 stroke review; yamaha outboard 70 hp plug gap? what is spark plug gap for 70 hp yamaha outboard? what is the carb adjustment on merc 700 1977; what is the idle rpm on a 70 hp evinrue outbaord. Welcome to TheMalibuCrew! As a guest, you are welcome to poke around and view the majority of the content that we have to offer, but in order to post, search, contact members, and get full use out of the website you will need to Register for an Account. Neither can I. I never had any trouble with this motor. - A must have for any individual, professional mechanic garage and auto shop. What we will be doing here is troubleshooting these ignition parts. Tried starting the motor, and the motor wont start. has lots of Spark and it has enough compression to run It wont even pop nothing at all. Then quickly refit the spark plug and try to start the engine, if it starts and runs then I would get a new spark plug as the one you have is obviously on the way out. 76 115 johnson motor, has spark, good compression,fuel, but will not start. Ensure that the spark plug boot is properly secure to the spark plug. Very similar to all classic 50 motors. Besides the advantage in quicker acceleration that is achieved from less spinning mass of a lighter flywheel, the lighter flywheels cause less damage to the upper main bearing (32). The result is that we have a pretty good idea of what these new engines offer and the best applications for them. 0 mpi mercruiser engine won't crank over mercruiser 350 mag mpi idle problem johnson outboard 88hp map idle check yamaha 60hp outboard power trim tilt assembly hydraulic how to adjust idle rpms on johnson 225 why evinrude 70hp wont crank 2005 johnson 200 hp ocean runner 2 stroke outboard fuel. Top 25 Reasons Your Boat's Engine Won't Start. Why Won't My Engine Start ? You just finished building an engine or are reviving one that has sat for a while and now it simply will not start. My 2005 DF70 won't start. Replace spark plug if necessary. Has spark, compression and fuel. Still no start. It has fuel, plenty of spark, and also good compression. Once you have the air and fuel filters checked and, if they are dirty, replaced and you or your mechanic is happy with the fuel and air supply, the spark plugs are the next objective. You can check for spark using a multimeter, test light, screwdriver or even by removing the spark plug and grounding it on the engine block or frame. He ran fuel through the motor, but the only way it would start was to hold down the throttle lever in the motor. I had to be towed in. No power to that wire while key is on or turning the engine over. The engine has been sitting for a year or so but started and ran great before that, but now it will not start. From Steve on "Nonesuch": small Tohatsu 4-strokes (4, 5, 6 HP) have problem with being hard to start. I checked the fuse found on the. This is what it does: Kick it many times and every now and then it will start. The first thing you need to do is buy a shop manual for this particular engine, so you know what things are, who they attach and so you can go through the usual diagnosis procedures to figure out what's wrong. i have a 1976 evinrude outboard that wont start has spark but still wont fire even if i spray fuel into the - Boating question Search Fixya Press enter to search. The second section is for an engine not turning over. Curiously, I had a similar crank-but-no-start situation: a hot afternoon, the engine had been running, it cranked but would not fire. Connect the grease gun and start pumping. e the plug won't fire) if that dead mans circuit is earthed anywhere between OB and key / switch on dash or whatever mode you have of deadmans control switch!. I have a 17 foot boat with a 150 horse mercury black max outboard. Most modern outboards have some common parts and measurements to be aware of. Last trip out it started Ok, ran for 10 minutes and thenswitched off. 9 outboard was running fine. Engine is low on power. I recommend new spark plug wires every 30,000 miles or so. DOWNLOAD outboard or inboard marine repair manuals straight to your computer in seconds—fix your problems now. Sailed for 2 hours, then started OB,OK, ran for another 10 minutes, when I switched it off, I noticed some hot water trickling out, it stopped before I could investigate properly. Hello all! I have acquired a 1968 mcculloch 4hp air cooled outboard that I am having some trouble with. While most spark plugs are spark plugs, keep in mind that each motor is designed to use specific types of plugs. I have seen engines run on as little as 65 PSI (an outboard) and I have had them NOT run on as high as 90 PSI (a chain saw with a pinched ring. They charge your vessel's battery(s). All Yamaha outboards have and will continue to have a production date on the unit. Avoid the problem by leaving the motor tilted up whenever leaving it overnight. 2) Remove the coil wire from the distributor cap, insert screwdriver as mentioned above, and hold it about 1/4" from a metal part of the engine. Has spark, compression and fuel. The second section is for an engine not turning over. I have gapped my points at. When I wash the boat and flush the outboad, I park the car/boat on a slope so the water can run off the deck and out the scuppers. This happens over and over again, because many quick-disconnect fittings that attach the fuel line to the outboard are just plain cheap. The instructions say you can test the spark without removing the spark plug. It's almost always a self-inflicted problem. This basic troubleshooting and possible remedies, and covers all Yamaha outboard moto. Also, check to see that the little carbon contact for the center terminal is in place; without that you can have spark but it won't get to any plug wires! It's rare, but a rotor with an internal short or carbon tracks on the surface can kill the spark before it even gets to the cap. The symptom was not starting/poor spark. Test starter, rebuilt old one installed. No spark = no go. DOWNLOAD outboard or inboard marine repair manuals straight to your computer in seconds—fix your problems now. This sounds like a classic case of getting power to the coil in the run position but not the start position on the key. It starts with starting fluid only. The both have female connectors on them. Step 4: If your motor doesn't start by pilling the cord it may need to be jumped similarly to jumping a car. You may have to register before you can post: click the register link above to proceed. Starters are easy to bench test if you are handy with a wrench. By examining the center electrode color, an experienced engine tuner can determine a great deal about the engine’s overall operating condition. plugs are clean, no water, not fowled. Mercury Outboard Parts Forum; If this is your first visit, be sure to check out the FAQ by clicking the link above. You should start to hear it pop, just keep pulling or kicking and holding it wide open until it starts, then rev the engine a bit to clean it out and keep it running, then warm it up properly. Johnson Outboard Parts Forum Ask the experts on our Johnson Forum for repair issues, diagnosing problems, links to diagrams, suggestions on buying parts and more. After I have been mowing for a while, if I have to turn it off, it will not restart. Would only start if I gave it full throttle and would stall unless I throttled way up. First thing was to swap out the fuel tank and hose for a spare I had laying around. This can make it either difficult or impossible to start, depending on the severity of the situation. So remove the spark plug and then reattach the plug wire to the plug making sure to rest it near some metal and pull to see if there is a spark jumping from the plug to the metal. there was a lot of sheared metal laying around and collected around the magnet. Originally Posted By capnrob97: I bought a jon boat and 2. The chainsaw might start suddenly while you're checking it. Here's what you need to do to find out the cause of your problem, and get your car back on the road. To keep it from dying, i have to put it in gear and leave it running. If you have to shut it off after it is warm, you'll have to wait about 15 minutes before it will start again. When it seems like no amount of replacement plugs can fix the issue, it might be due to a number of factors. Just had it tuned up and still have a difficult time starting when in the water. You may have to register before you can post: click the register link above to proceed. It seems like it has no spark but i checked it 4 billion times and it does. if you take the exhaust off of a four stroke, the motor will run but it will pop and run like shit. Remove the starter assembly and inspect it to determine if it is working properly. Starting fluid must be used sparingly. I'm wondering if anyone has any input on a not-able-to-start problem I now have with a 2002 Yamaha 115 4-stroke. By John Tiger Photos By Mark Corke. Is everything properly attached and in the right place? If you’re having trouble getting your outboard to run, it may be something simple. plugs are clean, no water, not fowled. Good compression with my finger against the plug hole. Sailed for 2 hours, then started OB,OK, ran for another 10 minutes, when I switched it off, I noticed some hot water trickling out, it stopped before I could investigate properly. DOWNLOAD MerCruiser Repair Manual & Won't Start Troubleshooting Guide DOWNLOAD a complete MerCruiser repair manual in seconds. But when engage in neutral it dies out and does'nt want to start unless i spray starting fluid directly inside the carb. I thought about pulling the carb and doing a rebuild, since that's fairly easy to do but I'm at a loss as to why this saw ran fine one day, then two weeks later wouldn't even sputter. A seal gone,not beyond the realms of possibility in a motor of this age sitting for a few years,case loses vacuum and the reeds can't do their job. Turned it off and tried to start it. You may have to register before you can post: click the register link above to proceed. Incoming search terms: 1982 Mercury Outboard Has Spark And Fuel But Will Not Run,Do You Need To Use Mercury Decarb Spray On A 25 Hp Merc Outboard Engine,No Power To The Spark Plugs On My 92 40hp Mercury Classic,50 Hp Mercury Outboard Motor Runs/idles Fine But Soon As I Put In Reverse Turns Off Unless I Have It On Cold Start,Causes For 50 H P. Aussie Outboard Wreckers. I cleaned them. Mercury outboard won't start after warmed up My 97-98 Mercury 40hp outboard won't start after it has warmed up. I had to be towed in. This troubleshooting guide will focus on actions needed to correct engine won't start issues for MerCruiser Inboards. For small engines, spark plugs typically need to be replaced every season or after 25 hours of use. Well, this didn’t to me, but I loaned my older Hewes Craft 16’ jet sled to my son-in-law for a camping trip to a local fairly large impoundment for the 4th of July week-end 2003. Or,top or bottom seal, or both. Removed the plugs. The spark plugs simply supply spark to the cylinder. This sounds like a classic case of getting power to the coil in the run position but not the start position on the key. Fuel lines often clog if the engine is run through salty, muddy or polluted water. Being able to read a spark plug can be a valuable tuning aid. If your engine has a battery, make sure it is charged up before use; verify the battery connections are clean -- as corroded connections can keep a Mercury outboard from starting. Has good compression and spark. To maintain an outboard motor, flush out the engine after every use, and check to make sure the water flow exiting the motor has a strong output. The motor revs up fine and runs strong. My Johnson outboard motor will not start. Timing has been checked. You should also check to make sure the spark plug gap is set correctly. Check the fuel lines connecting the outboard motor to the fuel tank. 7L Indmar 350 EFI direct drive. Most likely the solenoids and/or something else is messed up in the lower unit, but won't know for sure unless I start pulling stuff off. 95% of starting problems are caused by the same group of things and don't require a mechanic. If you don't, it's either the individual coils that each cylinder has OR it could be the stator (not starter, just for clarification) which provides firing power for the cylinders in a basic sense of the word. 76 115 johnson motor, has spark, good compression,fuel, but will not start. Top 25 Reasons Your Boat’s Engine Won't Start. I have a virtually new, manual start Tohatsu. With your cowling removed, watch your starter as you turn the key. All Yamaha outboards have and will continue to have a production date on the unit. This happens over and over again, because many quick-disconnect fittings that attach the fuel line to the outboard are just plain cheap. Dismantling 90HP Yamaha Outboard Motor Long Shaft with Power Tilt, Power Trim and Electric Start. Adjust spark plug gap to factory specs. Neither can I. The procedure is the same for two stokes except for one thing. if you have a 2 cylinder outboard motor with spark at one cylinder, you might try a further test by swapping the two coils between the cylinders and see if the spark moves to the other cylinder. It will not start, after being assured that I did. Mercury outboard cranks but will not start refers to when the Mercury outboard motor’s crankshaft turns but will not cause the motor to begin to work, or maybe it starts hard when cold. I am having trouble with my 1993 Kawasaki KX 125. Confirmed lack of spark. It try's to turn over but won't. You crank and crank and crank but it just won't run. Replacing the spark plugs can restore normal performance -- but it won't fix a misfire problem if the cause is bad plug wires or a weak coil. Curiously, I had a similar crank-but-no-start situation: a hot afternoon, the engine had been running, it cranked but would not fire. Third thing: Gotta be the plug. plugs are clean, no water, not fowled. A dealer won't tell you this nor will the manufacture. On later model MerCruiser MPI engines, part # 881879T11 is the oil pressure sensor. 4) Try to start the engine. When on dry land with the ear muffs on, a couple of seconds worth of cranking and brooooommmm!. If it's a bad plug, replace it and try to start the motor again. What controls the ingtion to fire the spark plugs?. Step-by-step troubleshooting will help you pinpoint problems. Just had it tuned up and still have a difficult time starting when in the water. Remove the cover off the front of the carburetor,remove the lower drain plug # XXXXX see what comes out, water will bead and you may find some debris,. While most spark plugs are spark plugs, keep in mind that each motor is designed to use specific types of plugs. If you have a spark, skip to Step 6. CDI electronics has been the leader in outboard marine Ignition technology since 1983, and their products are marketed under the name of "Quick Strike ignitions". When on dry land with the ear muffs on, a couple of seconds worth of cranking and brooooommmm!. I have an 1974 85HP Johnson that is very difficult to start. 0L Marine Engine Question: My Mercruiser 3. Check the spark plug by removing it from the engine, touching the bare metal of the spark plug's base to bare metal of the engine and cranking the engine. However today, it just cranked, but not hint of popping off. Considering buying some BR7HS for a hotter burn hoping that they don’t get black as often. If it's a bad plug, replace it and try to start the motor again. If you don't, it's either the individual coils that each cylinder has OR it could be the stator (not starter, just for clarification) which provides firing power for the cylinders in a basic sense of the word. Javelin cranks over, has spark and i poured gas in the carburetor and it still wont start. ,wires,distributor cap&rotor " also first. What to expect at the repair shop when your Nissan Altima won't start How is a no-start diagnosis fixed? Correcting most no-start problems usually involves replacing the alternator, starter or battery, cleaning connections, ignition system repairs, or fuel system repairs. Boat won't start, no spark.