
YG125-25 Maintenance Manual
Lubrication system
Replacement of lubricating oil
While replacing lubricating oil, it shall be carried out before the engine has cooled down. This will ensure quick and
complete discharge of the engine oil inside the crankcase.
When replacing, unscrew the oil drain plug and discharge the waste engine oil, and then clean the oil drain plug, engine oil
strainer, engine oil filter, etc. Finally, insert the oil drain plug. Unscrew the oil filter plug and slowly refill 1.8L new engine oil
of the specified trademark into the crankcase, then insert the oil filter plug.
Left crankcase body oil through
Cylinder block, cylinder head, camshaft bearing seat and a
camshaft oil through
Waste engine oil flow into the oil collector
Lubricating oil draining
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Summary of Contents for YG125-25
Page 98: ...YG125 25 Maintenance Manual Frame and exhaust system 10 Frame and exhaust system 102...
Page 130: ...YG125 25 Maintenance Manual Illumination signal system Circuit schematic drawing 134...
Page 144: ...YG125 25 Maintenance Manual Electrical System Diagram 19 Electrical System Diagram 148...