SYM 6. CYLINDER HEAD/VALVE
6-13
VALVE CLEARANCE ADJUSTMENT
Loosen valve clearance adjustment nuts and
bolts located on valve rocker arm.
Measure and adjust valve clearance with
feeler gauge.
After valve clearance had been adjusted to
standard value, hold adjustment bolt and
then tighten the adjustment nut.
Standard Value: 0.12 ± 0.02mm
With flat screwdriver, turn the cam sprocket
adjuster in counter-clockwise motion so that
the adjuster is pushed out to contact the cam
chain plate tightly. Apply with oil onto a new
O-ring and then install it onto the adjuster
hole. Tighten the bolt cap of the adjuster
adjustment hole.
Caution
Replace the O-ring of the cylinder head with
new one. Install the cylinder head.
Tighten the cylinder head lock bolts.
Connect the blow-by hose onto the cylinder
head.
Install the engine onto the engine frame.
(Refer to Chapter 5)
The O-ring must be installed into glove.
Especial tool
Blow-by hose
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