xr 80 timing check ?

[Black86tri-z]

how do you check the timing and or how do you reset the timing any links to info would b awsome

[Dirtcrasher]

If it's the later models I think you may only have cam to valve timing which is the "T" on the flywheel at TDC on the compression stroke. May be a pulsge generator air gap and if someone else played with it, it could be 180 degrees out. Seen it lots of times....