KEEWAY RKV125 Instruction And Maintenance Manual page 53

Keeway rkv125 motorcycle
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* Attention
Check if sealing ring is damaged.
Install the engine oil ruler.
Engine Oil Replacement
Warm up engine.
Place an oil pan below the engine and drain engine oil by
removing drain plug and oil ruler.
Kick start engine several times to drain thoroughly the engine
oil.
After drainage, inspect and clean engine oil filter.
Be sure that filter screen, spring, O ring and drain plug are
perfect and then put them back onto the engine.
* Attention
Oil should be changed when the engine is warm. Place the
engine on the side stand.
Make sure all the engine oil is completely and quickly drained.
When the drain plug is removed, engine oil filter and spring
will be ejected.
Tighten the drain plug.
Add recommended engine oil into the crankcase.
Install engine oil leveler. Start the engine and let it run for
2~3minutes at idle.
Stop the engine and check if engine oil level is at upper limit
mark in a few minutes.
Stand the engine vertically on the ground to check oil level.
Make sure no oil leaks.
Drive Chain Slackness
Stand vertically the motorcycle on the flat ground and check
drive chain slackness
Drive chain slackness: 10-20mm
If the drive chain does not meet the specification, adjust it.
Adjust drive chain slackness:
Screw off rear shaft nut and lock-nuts of adjusters on both drive
chains.
Rotate uniformly both adjusters till the drive chains gain
normal slackness.
a .

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