gstaten24 Posted December 12, 2010 Report Share Posted December 12, 2010 so i have been having problems with my left cylinder not firing all the time. all the jetting and everything is correct because it ran fine before. i was told if i squirt wd-40 and the shaft the flywheel sits on right next to the motor and it revs up some more it has a bad seal. however i was told to do this with the flywheel off? how does that make sense because i always thought it wouldnt be able to start without the flywheel on there. has anybody done this test and if you have how exactly did you do it, with the flywheel on still? Quote Link to comment Share on other sites More sharing options...
Jereme6655 Posted December 12, 2010 Report Share Posted December 12, 2010 uhhh....you need the flywheel to fire the motor. What you need to do is a leakdown test.....there is a sticky on here on how to build a leak-tester. then pressurize your cases to 6lbs and watch the pressure....if it drops past what the sticky says then you have a leak and you will be able to find it using the leakdown tester Quote Link to comment Share on other sites More sharing options...
gstaten24 Posted December 13, 2010 Author Report Share Posted December 13, 2010 uhhh....you need the flywheel to fire the motor. What you need to do is a leakdown test.....there is a sticky on here on how to build a leak-tester. then pressurize your cases to 6lbs and watch the pressure....if it drops past what the sticky says then you have a leak and you will be able to find it using the leakdown tester yea thats what i thought i dont know what the guy was thinking when he said to take the flywheel off. the only problem is i live like in the middle of nowhere so it could be a problem to get those basic items to make a leakdown tester. Quote Link to comment Share on other sites More sharing options...
Jereme6655 Posted December 13, 2010 Report Share Posted December 13, 2010 when i mean basic im talkin really basic....like a couple pieces of pvc and some rubber expanding bungs (plugs) and a tire pressure tester... IF you can't do that and you absolutely have to find it while its running (it could be a big enough air leak to lean it out even while idling) then you need to fire it up and spray CARB clean around all the possible leak points. CARB cleaner will cause the idle to change (slightly rev up) when it gets sucked through the leak. However you shouldn't continue to spray it into the crack once you've found the leak....as your then running it with a mix of your fuel/oil and carb cleaner which will keep it from being properly lubed. Quote Link to comment Share on other sites More sharing options...
midlifecrisis Posted December 13, 2010 Report Share Posted December 13, 2010 Brake or carb cleaner to find if you have a leak, then a leakdown to find out where. This tester can be used again and again, and is a necessity for anyone who rebuilds an engine. Quote Link to comment Share on other sites More sharing options...
camatv Posted December 15, 2010 Report Share Posted December 15, 2010 and the rubber butt plugs on the stock front bumper DO fit the exhaust to seal it up !!! WOW Quote Link to comment Share on other sites More sharing options...
gstaten24 Posted December 15, 2010 Author Report Share Posted December 15, 2010 thanks for all the replies, i mean i could probably manage pvc pipe and everything but i have no drill and no way to air up the system. i am still gathering all the tools i really need. as far as the front bumper i have an aftermarket bumper so i dont have the stock rubber pieces. ill try the carb cleaner and if that doesnt work then i will make the trip to lubbock (closest city). Quote Link to comment Share on other sites More sharing options...
fastquad02blaster Posted December 15, 2010 Report Share Posted December 15, 2010 Could it be a spark plug boot issue? Swap wires and see if it moves to the other cylinder. Quote Link to comment Share on other sites More sharing options...
Jereme6655 Posted December 15, 2010 Report Share Posted December 15, 2010 your stationed on a military base? go over to the motor pool and see if they can lend you the rubber plugs.....talk to one of the mechanics in there.....they probably have some as mechanics will use the expanding plugs to replace engine freeze plugs instead of pulling the entire motor to pop out and pop in a new bronze freeze plug Quote Link to comment Share on other sites More sharing options...
gstaten24 Posted December 17, 2010 Author Report Share Posted December 17, 2010 your stationed on a military base? go over to the motor pool and see if they can lend you the rubber plugs.....talk to one of the mechanics in there.....they probably have some as mechanics will use the expanding plugs to replace engine freeze plugs instead of pulling the entire motor to pop out and pop in a new bronze freeze plug well i am a mechanic and we dont have anything like that in our shop i already tried lol, even if we did i cant take that kind of stuff home with me but i did the carb cleaner test and thats what it was so i am going to have to replace that seal, thanks for all the help. Quote Link to comment Share on other sites More sharing options...
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