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mdkcrf250r

'08 YZ450 timing marks...Which one?

3 posts in this topic

I'm diagnosing a cutting out problem at high rpm's and I'm double checking cam timing but cant decide which mark on the flywheel is the correct one. I'm assuming the first mark (spinning counter clockwise from left side of bike) would be BTDC, the second one TDC, and the third ATDC. Is this correct? The manual only says align with mark but doesnt specify which mark. Thanks in advance.

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