Oct 19, 2007
I have a 1990 yz250, i was riding this morning and everything was goin fine, then all of a sudden the bike lost power and bogged down i had to keep tha gas reved up to get it back home. I shut it off and checked the plug and it looked fine. I tryed to start it again about an hour later and it made sum weird knocking sounds then the kickstarter seized up. Im thinking it could be a crank bearing or either it just overheated and seized, need sum feedback


Crash Test Dummy
Jul 18, 2006
Amo, IN
Probably be better off just opening up the engine and having a look... You're most likely going to have to tear it down anyway.
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