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7. CYLINDER HEAD/VALVES ATV 150/125
Install the cylinder head.
Install two cylinder head bolts do not Bolts
tighten completely.
Tighten the two cylinder head bolts after
the camshaft holder nuts have tightened
(see page 7-12).
Cylinder Head
CAMSHAFT HOLDER ASSEMBLY
Camshaft Holder
Install the exhaust valve rocker arm to the
"EX" mark side of the camshaft holder.
Install the intake valve rocker arm and the
rocker arm shafts.
Tighten the bolt attaching stop plate.
· Align the cutout on the front end of the
intake valve rocker arm shaft with the
bolt of the camshaft holder.
· Align the cross cutout on the exhaust
valve rocker arm shaft with the bolt of
the camshaft holder.
Valve Rocker Arm
CAMSHAFT INSTALLATION
Cam Chain Round Hole Camshaft Gear
Turn the flywheel so that the "T" mark on
the flywheel aligns with the index mark on
the crankcase.
Keep the round hole on the camshaft gear
facing up and align the punch marks on the
camshaft gear with the cylinder head
surface (Position the intake and exhaust cam
lobes down.) and install the camshaft onto
the cylinder head.
Install the cam chain over the camshaft
gear.
Punch Marks
Dowel Pins
Install the dowel pins.
7-11