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Old 03-03-2012, 11:38 PM   #5
DBG
Junior Member
 
Join Date: Feb 2012
Location: Galveston
Posts: 19
Re: GZ250 Smokes on cold start, stops smoking after running

Still waiting on the valve seals to arrive. Yeah I read some "mechanic" on an alternate forum say that if your engine is smoking, you have bad piston rings and should immediately replace them to avoid catastrophe. This sounded more like chicken little than sage advice, and I figured I'd put my case up for posterity. My impression is that it is the valve seals (and I get the impression that you guys agree) because the bike runs great and has good compression. Also I would fix them first anyways because it's a $10 fix.

The bike barely consumes any observable oil. I can't even see a change through that little window, but it smokes a little bit on start up. 8000 miles on the engine. Thanks for the comments. I'll be sure to give the results when I get the seals replaced. By the way, any tips on getting in there and replacing the valve stem seals would be greatly appreciated. I got the manual, but would also abide any advice.



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