Question about Yamaha WR 250 F Motorcycles
Posted by Anonymous on
Hi, Anonymous for this scenario you will need your service/owners manual if you can't find the first and best tool you ever bought for your Yamaha, despair not, for a mere $0 you can download another one. For more information about your issue and valuable "FREE" downloads that you will need please click on the links below. Good luck and have a nice day.
WR250F Valve Clearance Check Parts to be replaced WR YZ 250F
How to check valve clearances and how to shim them PART 1 Watch in HD
YAMAHA WR250F Owner Service Manual
OEM parts for Yamaha
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Posted on Oct 04, 2016
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Posted on Jan 02, 2017
It won't be valve timing or clearance. The fuel/air mix would be the culprit. Clean the carburetor with special attention to the idle circuit. Remount the carb with new manifold gaskets. A manifold air leak will mess up the mixture. Also, get a new spark plug one heat range colder than stock. Hope this helps out!
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Posted on Apr 07, 2009
what an *******. If I had a manual or my library had one I wouldnt be asking the question. If I need help fixing something dont tell me to go jump in a lake just dont answer
Posted on Nov 08, 2009
The Yamaha manual says: .004" to .006" for the intake and .007" to .009" for the exhaust valves, cold engine. I have included that information, from the manual, below:
Posted on Dec 07, 2009
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