How can i tell if im 360 out

I just finished my first top end. my buddy turened my bike over with the top end off so im worried i could be 360 out when i put the cams back in. what is a easy way to tell before i put the whole thing back togather

Just put them in at TDC...doesn't matter Tdub

If you are 360 out, then you are in.

The YZF ignition is triggered from the flywheel, and produces a spark before every TDC, so it makes no difference which one you use to time the cams.

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