2006-2009 Honda TRX680 (TRX 680 FA-FGA) Factory Service Manual, Page 216Get this manual

2006-2009 Honda TRX680 (TRX 680 FA-FGA) Factory Service Manual, Page 216

Quality of the image is intentionally reduced!

CYLINDER HEADIVALVECAMSHAFT Contact area (too high or too low)
CONTACT too HIGH

CONTACT too LOW

Using 45 seat cutter, remove any roughness or irregularities from the se