1985-1987 Honda TRX 250 Fourtrax 250 Service Manual, Page 61Get this manual
CYLINDER HEADV ALVES
CAM CHAIN TENSIONER LIFTER DISASSEM BLY
Remove the twO bolts at1aching the cam chain tensionel lifter and remove the hfter
Remove the two screws assembling the cam chain tensional lifter and disassemble