Xp800 cylinder fill with oil

[rwd383]

I have a 96 xp800 that is blowing oil out of the exhaust once it starts up. The oil tank was bypassed and converted to pre mix but I had to connect the tank back because it is losing oil in the bottom end so fast. It has sat for a month and now I can't get it to start. It will bump over a couple of times and when I take the spark plug of the front cylinder only it will have about 18-24ml of oil in the cylinder every time. It turns over fine with the plugs out but blows oil. Is this a piston ring problem or rotary valve? I just want to get it running to sell it so I don't want to dump a ton of money into it but don't want to sell a lemon to someone either. Any suggestions?

 

[mikidymac]

99% chance it is bad inner crank seals. Only cure is new rebuild crankshaft. 1% change it is a bad rotary valve shaft seal.

 

[rwd383]

If I replace the crank seal is there anything else I should do once it is out?

 

[chrisorbics]

Please do yourself a favor and check your oil injection pump linkage and/or cables. I just got a 1997 gti and the short cable was not attached correctly and the arm on the oil pump was not under spring pressure and was stuck wide open. It did not even move with the throttle cable. This thing smoked like no ones business. Went through a lot of spark plug too.

 

[rwd383]

The oil injection was removed by a shop last year. He said they tend to go bad so it was best to eliminate it. Plus it had this issue when I got it but of course the seller said it was minor and not a big deal. Now it won't turn over unless I drain the oil out of the cylinder and then I only get a few cranks and it locks up again.

 

[CReynoldsMIZ]

The oil injection was removed by a shop last year. He said they tend to go bad so it was best to eliminate it. Plus it had this issue when I got it but of course the seller said it was minor and not a big deal. Now it won't turn over unless I drain the oil out of the cylinder and then I only get a few cranks and it locks up again.

May or may not help but a really knowledgeable member here [MENTION=57696]68ragtop[/MENTION] once had this problem, he flushed the rotary valve chamber out with new XPSII synthetic and it seemed to help the leak and wouldn't leak nearly as fast. the stuff he flushed out was a mess of mixed oils and nastyness since that oil is pretty stagnant and doesn't get circulated.

Worth a shot to me