2.PERIODIC MAINTENANCE
2-
Valve clearance of cylinder 2
Use a 14 mm Allen key to turn crankshaft
until piston 2, rear is at TDC ignition.
When rear piston is at TDC ignition, marks on
magneto flywheel “2” and on the magneto
cover are aligned.
1. Mark “2” on magneto flywheel
2. Notch on magneto cover
3. Crankshaft position sensor location
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 360°
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.
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
CAUTION
Valve clearance adjustment locknut:12N.m(8.856Lbf.ft)
Securely tighten the locknut after completing adjustment.
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