2005-2011 Honda FourTrax Foreman TRX500 FE/FPE/FM/FPM/TM Service Manual, Page 172Get this manual
Quality of the image is intentionally reduced!
CYLINDER HEADIVALVE INSPECTION CAMSHAFT
Check the decompressor cam operationPress on the decompressor cam as shownAs you press on one side, the decompressor cam should lock above the base