Sym PA12B Service Manual page 113

7. Cylinder Head / Valve
Use a T type wrench to rotate the crankshaft
clockwise and align the "T" mark on the
flywheel with the index mark on the left
crankcase cover.
Install the cam chain sprocket and align the
timing mark with the index mark on the
cylinder head. Install the cam chain onto the
sprocket.
Torque value：1.8~2.2kgf-m
Adjust the valve clearance.
Standard value：0.05 ± 0.02mm
Install the cylinder head side cover (bolt×2).
Torque value：0.8~1.2kgf-m
Install the tappet adjusting hole caps.
Adjust the cam chain tightness.
Reinstall the engine in the reverse order of
th
uninstall (refer to 6
Caution
Be careful when installing engine.
Do not or press any wire or tube.
7-16
To this chapter contents
chapter).
Timing mark
Bolt ×2
Tappet adjusting hole cap
Bolt ×2