1992 kx250 crank seals????

broncokawi · 09-29-2006

Hi, new to group here, can anyone tell me if it's possible to change the crank seals on a 1992 kx250 without splitting the case. I have a No idle large amounts of smoke and fouling plug problem that wasn't fixed by changing the jetting or the piston,rings or cleaning the kips valve. I built this bike out of a box and this is the first time I've ran it and it smokes and blows oil out the pipe, granted I haven't run it long enough to see a drop in tranny oil but I'm sure the mixture is fresh and correct at 40:1
Any help would be great and thanks in advance.
Also you guys are a wealth of knowledge, I hope I can be of some assistance to people at some point

QKENUF4U · 09-29-2006

im taking a guess here since i dont have a manual in front of me and all i can go by is the micro-fiche for your bike but it looks like your out of luck. looks like the seals go in first then the main bearings , if thats the case then your gonnna have to pull it apart to do it. sounds like your on the right track though.

http://houseofmotorcycles.bikebandit...%29US.asp#stay

09-29-2006	#1 (permalink)
broncokawi Newbie Join Date: Sep 2006 Posts: 1	1992 kx250 crank seals???? Hi, new to group here, can anyone tell me if it's possible to change the crank seals on a 1992 kx250 without splitting the case. I have a No idle large amounts of smoke and fouling plug problem that wasn't fixed by changing the jetting or the piston,rings or cleaning the kips valve. I built this bike out of a box and this is the first time I've ran it and it smokes and blows oil out the pipe, granted I haven't run it long enough to see a drop in tranny oil but I'm sure the mixture is fresh and correct at 40:1 Any help would be great and thanks in advance. Also you guys are a wealth of knowledge, I hope I can be of some assistance to people at some point Last edited by broncokawi : 09-29-2006 at 02:06 PM. Reason: typos

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09-29-2006	#2 (permalink)
QKENUF4U AZ's Official Mechanic BTK Expert Join Date: Sep 2004 Location: phoenix arizona Posts: 3,649	im taking a guess here since i dont have a manual in front of me and all i can go by is the micro-fiche for your bike but it looks like your out of luck. looks like the seals go in first then the main bearings , if thats the case then your gonnna have to pull it apart to do it. sounds like your on the right track though. http://houseofmotorcycles.bikebandit...%29US.asp#stay

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