KS Motorcycles K-LIGHT125, Maintenance Manual

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XIII. Cylinder Block and Piston
Preparatory Information ··············· 13.1
Fault Diagnosis·························· 13.2
Cylinder Block ·························· 13.3
Piston ····································· 13.4
Installation of Cylinder Block ········· 13.5
13.1 Preparatory Information
Precautions for operation
Before the inspection and measurement, all parts shall be cleaned and blown with high-pressure air.
Function of cylinder block:
The cylinder block provides a space for gas compression, combustion and expansion and guides the movement of
piston.
It can also transfer some heat in the cylinder to the surrounding cooling mediums.
Function of piston:
It can withstand the pressure generated by the combustion of combustible gas mixture in the cylinder and transmit
the pressure to the connecting rod to drive the crankshaft to rotate. Form a combustion chamber together with the
cylinder head and other parts.
Acting as a slide valve for opening and closing air, the fresh mixed gas in crankcase is pressed into the cylinder
regularly and the exhaust gas after burning in the cylinder is discharged timely.
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