Yamaha VMX12H Supplementary Service Manual page 195

ENGINE ASSEMBLY AND ADJUSTMENT
3-7 1
CYLINDER HEAD AND CAMSHAFT
Rear Cylinder Head
1. Install:
Dowel pins
Gasket
Rear cam chain guide
NOTE:
gasket "HEAD" mark
upward.
lower end of chain guide must rest in the
cam chain guide slot in the crankcase.
Cylinder head
Pass cam chain through cam chain cavity.
2.
Nuts (cylinder head)
Use 8 mm Wrench Adapter (YM-28897).
NOTE:
sequence as shown and torque nuts in two
stages.
Never lubricate the bolt threads with engine
oil.
Nuts (Cylinder Head):
43 Nm (4.3
3. Install:
Water jacket joints
NOTE:
Be sure each joint passes through i t s correspond-
ing cam chain.
Lock pin
O-ring
should the
31
kg,