When the engine oil is completely drained, put back cleaned drain plug and sealing ring.
Refill engine oil to specified level.
Check if there is engine oil leakage. Start the engine and run the engine on idle for a few minutes.
Check engine oil level again.
Throttle Cable Adjustment
*Attention
Adjust properly engine idle before
adjustment of throttle cable clearance.
Check clearance of throttle cable, clearance
shall be 3-5mm.
If the clearance is not up to the specified,
adjust it.
Adjust clearance of throttle cable.
Procedures:
Loosen locknut (1).
Rotate adjusting nut (2) inward or outward
till it gains specified clearance.
Rotate inward to increase clearance; rotate outward to reduce clearance.
Tighten locknut.
When the clearance is adjusted, rotate handle leftward and rightward to make sure idle of engine does not change.
Air Cleaner
Replace air cleaner.
Take down the left protecting plate.
Take air cleaner cover.
Take out filter element and filter element guide of air
cleaner.
Check if filter element is polluted or injured. If necessary,
replace it with a new one.
Clean air filter element.
Thoroughly and gently wash filter element with detergent.
Never use gasoline oil as cleaning agent, it may cause fire.
Please do not twist filter element in case the foam material
is damaged.
Apply engine oil onto the filter element and then compress surplus engine oil so that the filter element is wet but not
dropping oil.