2000 Yamaha YFM400FWA(M) Factory Service workshop Manual, Page 151Get this manual

2000 Yamaha YFM400FWA(M) Factory Service workshop Manual, Page 151

Quality of the image is intentionally reduced!

CYLINDER AND PISTON
out of specification, rebore or replace the cylinder, and replace the piston and piston rings as set

PISTON RING INSPECTION 1.Measure: Ring side clearance Use fe