2. Maintenance Information
Replace oil filter
2-4
Remo
ve bolts of oil filter chamber.
Remove the filter and replace it with a new one.
Caution
Oil filter is paper type and cannot be cleaned
or reused.
Cylinder compression test
Warm up engine and turn it off.
Remove left cylinder head cover
Remove spark plug cap and spark plug.
Install compression gauge into the spark plug hole,
full open the throttle, and rotate the engine.
Caution
Rotate the engine until the reading in the gauge
gains no more.
Usually, the highest-pressure reading will
appear in 4~7 seconds.
Compression pressure：12 ±2 Kgf/cm²
Check the following items if the pressure is too
low:
Incorrect valve clearance.
Valve leakage
Cylinder head leakage. Piston, piston ring,
cylinder damaged.
Over-high pressure means combustion chamber
r piston top deposit carbon. o
boltx2
Oil filter
Spark plug
Pressure
gauge
To Next Page
Loading...
Need help?
General
