6. CYLINDER HEAD / VALVE
Use valve spring compressor to press
valve spring.
Install valve split locks and release the
valve compressor.
Caution
In order to avoid to loosing spring tension,
do not compress the spring too much. Its
length is based on the installation of latch.
Special tool: valve spring compressor
Tap valve stem to make valve retainer
and valve stem sealing properly.
Caution
Place and hold cylinder head on to working
table so that can prevent from valve
damaged.
CYLINDER HEAD INSTALLATION
Install the lock pins and new cylinder
head gasket onto the cylinder head.
Install the camshaft chain plate.
At first, tighten the 4 nuts on the cylinder top
and then tighten the 2 bolts on the left side
of cylinder head.
With T type wrench to turn crankshaft in a
clockwise motion so that the
“
T
”
mark on
the flywheel aligns with the mark on
crankcase. (piston is at TDC position).
Install the cylinder head nuts and tighten it.
Torque value: 12~16 N.m
Install the cylinder head left side bolt
and tighten it.
Torque value: 8~12 N.m
6-9
Clinder head gasket
pins
Nuts
×
4
Bolts
×
2
