Question about Yamaha YZ 250 Motorcycles
How do I adjust the timing on my YZ250?
Judging by your previous questions,I think this is the info you need.
Setting cam timing with stock cams is relatively easy using the punch mark on the cam gears For stock timing, the punch marks at 9 O'clock on the exhaust cam and at 3 O'clock on the intake cam should align with the top of the head. If stock timing is altered the exhaust cam punch mark will either be one tooth above or one tooth below the top of the head.
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Posted on Feb 01, 2009
Buy a manual, and read it and follow the instructions. Never fails if done correctly. The above post is worthless since there was no YZ250F made until 2001.
Posted on Jul 16, 2012
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Posted on Jan 02, 2017
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