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2. PERIODIC MAINTENANCE
2-5
Remove the plug screw and O-ring of magneto cover.
Remove the crankshaft position sensor.
1.
Crankshaft position sensor
2.
Screw
Valve clearance of cylinder 2
Use a 14 mm Allen key to turn crankshaft until piston 2,
rear is at TDC ignition.
At TDC ignition, the printed marks on the camshaft
timing gear have to be parallel to cylinder head base. If
not, use Allen key to turn crankshaft 36
0
°
1.
Printed marks on camshaft timing gear
2.
Cylinder head base
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.
Valve clearance
Intake
0.05 to 0.09mm
Exhaust
0.10 to 0.15mm
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