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48
-Assembly the cylinder head.
-Turn the flywheel, Let the “T” mark on the flywheel to aim at the rib mark on the crankcase.
The circle hole on the camshaft gear is upward and the two mark line on the camshaft gear
match with surface of the cylinder head.
Fit the camshaft gear and fit the chain on this camshaft gear.
-Fit the dowel pin.
-Fit the camshaft holder.
Fit the nuts on the related studs and tighten
them by diagonal step.
Tightening torque is 200 kg-cm
-Install the chain guide.
Loose the lock by turning the nut with counter-clock direction.
-Adjusting the valves
Should align with rotate the crankshaft by hand until the circle hole marks on camshaft gear
wheel and the other two mark line cylinder head, then adjust the plays of the valves with special
tool and with the aide of a thickness gauge measure the gap between the rocker arm adjusting
bolt abutting end and the valve stem.
Clearance: Inlet valve gap: 0.08 ~ 0.10 mm
Exhaust valve gap: 0.08 ~ 0.10 mm
-Assemble the head cover.
Replace the sealing ring with a new one, install the cover and screw the four bolts.