2005-2008 Honda ATV TRX500FA/FGA Fourtrax, Rubicon Factory Service Manual, Page 185Get this manual
CYLINDER HEADVALVECAMSHAFT INSTALLATION Install the dowel pins and new gasketInstall the push rods into the cam followers rest them into the gasket grooves as shownGASKET PUSH RODS
DOWEL PINS
Installing head cover incorrectly will result in severe engine damageDo not tighten the cap nuts when the rocker arms are not aligned with the push rod ends
Install the cylinder head cover while holding the rocker arms lightly and align the rocker arm followers with the push rod endsBe sure to seat the rocker arm followers on the push rods properly by turning the crankshaft slowly with the recoil starterApply oil to the cap nut threads and seating surfacesInstall the four washers, cap nuts, three new sealing washers and seven boltsTighten the nuts and bolts in crisscross pattern in or stepsTORQUE: Cap nut: 53 Nm (5.4 kgfm, 39 lbfft) Install the spark plug capIf the cylinder andor cylinder head were serviced, tighten the four cylinder bolts and four cylinder head boltsCoat new O-rings with oil and install them into the grooves in the valve adjusting hole caps