LIFAN Power USA 173F-R Manual page 26

Engine oil capacity in the 1/2reduction gearbox is
0.3 liters, engine oil capacity in the crankcase is
1.1 liters
1/2 Reduction 1/6 Reduction
NOTE:
Do not dump oil containers or discarded engine oil into rubbish
boxes or onto the ground. For the sake of environmental
protection, we suggest you take in discarded engine oil with a
closed container and bring to local recycling station.
SERVICE OF AIR CLEANER
A dirty air's flowing into the carburetor. To keep the carburetor in
good working conditions, please service the air cleaner periodically.
If operating the engine in extremely dusty area, the job should be
done more often.
WARNING:
Never clean the air cleaner core in gasoline or low
flash-point detergents, or explosion may happen.
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