2005-2011 Honda FourTrax Foreman TRX500 FE/FPE/FM/FPM/TM Service Manual, Page 90Get this manual
MAINTENANCE Adjust by loosening the lock nut and turning the adjusting screw until there is slight drag on the feeler gaugeHold the adjusting screw and tighten the lock nutTORQUE: 17 N-m (1 .7 kgf13 tbf.ft)
After lightening the lock nut, recheck the valve
clearance
Coat new O-rings with engine oil and install them into the valve adjusting hole capsInstal the valve adjusting hole caps and tighten themTORQUE: 12 'm (1 .2 kgfm91bfft l