7. CYLINDER HEAD/VALVES ATV 150/125
Cylinder Head Cover
CAMSHAFT REMOVAL
Remove seat, front cover, center cover.
Front fender, fuel tank and exhaust pipe.
Remove the four cylinder head cover bolts
to remove the cylinder head cover.
Bolts
Remove the cam chain tensioner cap bolt
and the O-ring.
Bolt
O-ring
Turn the cam chain tensioner screw
clockwise to tighten it.
Tensioner Screw
Turn the flywheel counterclockwise so that Camshaft Gear Round Hole
the "T" mark on the flywheel aligns with
the index mark on the crankcase to bring the
round hole on the camshaft gear facing up
to the top dead center on the compression
stroke.
Punch Marks
7-4