2 Clean filter cores with warm water containing detergent and then dry them out. Drop it into clean lubricating
oil SAE 30 and squeeze out the excessive.
3 Clean other elements with warm water containing detergent and then dry them out.
4 Put all the pars back and tighten the wing nut.
● To clean up floater box of carburettor
Attention
As the engine oil used is baneful, it cannot be disposed like general waste. Send to the
recommended local special recycle bin.
1 Turn off the fuel tap, and put an appropriate container for old oil under the floater box of carburettor. Then
remove the oil dipstick, oil drain bolt and gasket. After all the engine oil is drained, replace and screw down the
oil drain bolt and gasket.(See the diagram 43)
Oil drain bolt
2 Screw off the fasten bolt, and clean up the floater box of carburettor and seal ring with warm water
containing detergent and then dry them out completely. (See the diagram 43)
3 Install floater box of carburettor and seal ring and screw up fasten bolt tightly.
4 Turn on fuel tap. Please change seal ring if there is a leakage.
● Maintenance of Spark Plug
1) Remove the spark plug cap and clean up the dirt around. And then remove spark plug with spark plug
socket. (See the diagram 44)
2 Clean up carbon deposit of spark plug, then measure the gap of ignition spot. The correct spark plug gap
should be between 0.7mm-0.8mm. (See the diagram 45)
Fastening bolt
Diagram 43
Diagram 44
Floater box of carburetor
Spark plug
Spark plug cap