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Compression Pressure of Cylinder
Warm up engine.
Insert the pressure gauge.
Turn choke valve to its full open position.
Set throttle handle to its full open position and kick start the
engine.
Compression pressure of cylinder: 1-1.2 mpa
* Attention
Start the engine till reading of pressure gauge does not rise.
Causes for low pressure:
. Valve improperly adjusted
. Valve leaks air.
. Worn piston ring or cylinder
Causes for high pressure:
. Carbon deposition in combustion chamber or on piston
Stop engine and remove spark plug and spark plug cap.
Engine oil
Engine oil level inspection
* Attention
During engine oil inspection, please do not tighten engine oil
ruler.
Oil level inspection. Stop the motorcycle on the flat ground
with its middle stand and stand the vehicle vertically.
When engine oil is consumed continually, you shall inspect oil
level regularly and refill to proper position if necessary.
Engine oil volume:
If engine oil level is too high, operation of engine and clutch will be affected；
Too low engine oil level will result in overheated engine and premature component wear.
Refilling engine oil of poor quality or different types or brands
will reduce lubrication effects.
Remove engine oil ruler when the engine stops. Dry the oil on
the ruler with a piece of clean cloth.
Stand the engine on a horizontal plane and put the engine oil
ruler into the engine. Do not tighten the ruler.
Take out the engine oil ruler and inspect oil level.
If oil level is lower or approaches the lower limit, add
recommended oil to the upper limit mark.
0.8L for oil replacement
1.1L for engine overhaul
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