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KDX 200 hard starting and running sluggish

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I have a 94 200. Recently it has been hard to start. I can get it going after working at it for like 5 mins when playing with the choke on and off. I checked the reeds and they are good. I also replaced the air screw because that was missing. Still nothing. When it finally does start it runs really rich, most likely from flooding it. A bit more recently after replacing the air screw, it runs sluggish until I get on it and wants to die sometimes when coming to a stop. I have the air screw adjusted to the factory setting. Any suggestions? the thing is it ran fine, for months. I went on a long ride, parked it for a few hours and it started doing this. Im also getting like 21 mpg :/

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So i did pull off the fly wheel cover and noticed that there was fuel/oil mixture in there :/. Next questions, this is most likely the culprit, how hard is that seal to replace? I looked it up on the parts website and it seems to behttp://www.kawasakipartshouse.com/oemparts/a/kaw/500b2292f8700223e478ab94/crankcase 92049, does that sound right?

 

does this video look like the right way to replace it? http://www.youtube.com/watch?v=pefRYiaHKqA

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So i did pull off the fly wheel cover and noticed that there was fuel/oil mixture in there :/. Next questions, this is most likely the culprit, how hard is that seal to replace? I looked it up on the parts website and it seems to behttp://www.kawasakipartshouse.com/oemparts/a/kaw/500b2292f8700223e478ab94/crankcase 92049, does that sound right?

 

does this video look like the right way to replace it? http://www.youtube.com/watch?v=pefRYiaHKqA

That crank shaft seal removes from the inside. The cases have to be split for it to be replaced.  My original post was before I read you saying you had fuel inside the stator cover. That makes a bike run lean not rich but yes it can make them hard to start and if bad enough it will lean out and ruin a piston/cylinder so be careful. You should do a leak down test on the engine.

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That crank shaft seal removes from the inside. The cases have to be split for it to be replaced.  My original post was before I read you saying you had fuel inside the stator cover. That makes a bike run lean not rich but yes it can make them hard to start and if bad enough it will lean out and ruin a piston/cylinder so be careful. You should do a leak down test on the engine.

how do i do that?

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You have to tear the engine from the frame and remove the topend and split the cases as  if you were replacing the crankshaft.

lol i know what to do that! i ment leak down test. Im going to go to my local auto zone and check to see if they have a leak down tester that i can borrow and compression tester.

Edited by sailorcolin

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