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Old 09-12-2009, 04:17 AM
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fall_down_stand_up fall_down_stand_up is offline
Motorized Bicycle Elite Member
Join Date: Apr 2009
Location: granbury
Posts: 555
Default Re: Did my china girl blow up??

Originally Posted by drhofferber View Post
sounds like the needle bearings went...i had same problem....broke engine in with the best syn oil...wont mension name...not one engine..2 engines....both went down at 200 i use basic 2 stroke oil...good luck...Dennis
You were right,the upper needle bearing went and the piston flopped and busted off a peice of exaust port on the side of the cylinder wall and fell down and got wedged on the side of the crank(locked it up)....Had 11 miles on it with non synthetic oil....Oh well,I put a new engine on my bike a couple of days ago and have 30 miles on it so far....Hope this one lasts....
IF I CANT FIX IT,IT ISN'T BROKEN!....ummmmmmm so I thought....
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