2.PERIODIC MAINTENANCE
2-
Insert the feeler gauge between the valve
stem end and adjusting screw on the
rocker arm to check the clearance.
If the valve clearance is out of specification,
adjust valves as follows.
0.06 to 0.10mm
(0.00236 to 0.00394 inches)
0.11 to 0.15mm
(0.00433 to 0.00591 inches)
Use mean valve of exhaust/intake to ensure a
proper valve adjustment.
Hold the adjustment screw at the proper
position and torque the locking nut.
Repeat the procedure for each valve.
1. Adjustment screw
2. Adjustment nut
3. Feeler gauge
Valve clearance adjuster locknut:12N·m(8.856Lbf.ft)
CAUTION
Install the valve cover of both cylinders, spark plug cable and spark plug of both cylinders, the
plug screw and O-ring of magneto cover and the crankshaft position sensor.
SPARK PLUG
In case of serious wear or burn to electrode or burn to insulator by spark plug or damage to
thread etc, please replace it with new spark plug
In case of carbon deposit, please use proper tools for cleaning.
Spark plug gap
Use clearance gauge to measure
clearance of spark plug.
In case of exceeding designated range,
then adjust the gap.
Spark plug gap: 0.7-0.9mm
(0.028-0.035inches)
Securely tighten the locknut after completing adjustment.
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