HYOSUNG 2010 ST7 Service Manual page 102

3-55 ENGINE
The 1F arrow of exhaust camshaft sprocket should
be toward the outside and aligned with the plane of
FRONT cylinder head.
At that time, the 2 arrow of exhaust camshaft
sprocket should be in a vertical position to the plane
of cylinder head when exhaust camshaft sprocket
was geared into cam chain.
The 1R arrow of intake camshaft sprocket should
be toward the outside and aligned with the plane of
REAR cylinder head. At that time, the 2 arrow of
intake camshaft sprocket should be in a vertical posi-
tion to the plane of cylinder head when the intake
camshaft sprocket was geared into the cam chain.
Gear into the chain at the 3 arrow of intake sprock-
et that count the 16th of chain roller pin from the
roller pin on the 2 arrow of exhaust sprocket to the
intake camshaft.
CAUTION
The REAR cylinder gear into that count the 16th
of chain roller pin from the 2 arrow of intake
sprocket to the 3 arrow of exhaust sprocket.
Install the 3 arrow punching mark of intake
camshaft sprocket with the surface of cylinder head
vertically.
2 2
1 1 F F
3 3
2 2
3 3
2 2
1 1 R R
3 3