1986-1989 Honda TRX250 FourTrax 250R Service Manual, Page 62Get this manual
CYLINDER HEADCYLINDERPISTON
CYLINDER HEAD
REMOVAL
Remove the seatrear fender Remove the fue tank (page 3-3)Drain the coolant (page 9-2)Disconnect the hose from the cylinder headRemove the spark plug capRemove the engine hanger pipe
Remove the spark plug Remove the cylinder head nuts then remove the cylinder headNOTE
To avoid warping the cylinder head, use criss-cross pattern to loosen each nut about 14 turn, then remove the nuts