1999-2004 Honda TRX400EX FourTrax Service Manual, Page 91Get this manual
CYLINDER HEADVALVE
CYLINDER HEAD COVER DISASSEMBLY
Hold the cylinder head cover securely and loosen the sub-rocker arm shafts, being careful not to damage the mating surface of the cylinder head coverRemove the shafts, sealing washers, sub-rocker arms and wave washers
Hold the cylinder head cover securely and loosen the rocker arm shafts, being careful not to damage the mating surface of the cylinder head coverRemove the shafts, sealing washers and rocker arms