Checked valve clearance this morning.

Zip-tie or tie-wire the cam chain to the cam sprockets so they don't lose their position and then roll the cams one at a time off to the side so you don't lose its position off the bottom gear. Works a treat.

The procedure is detailed here.
www.riderforums.com/threads/zr-7s-valve-...t-with-pics-1.52880/