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ZHEJIANG KAYO MOTOR CO., LTD.
Piston installation
Clean piston head, ring and piston bottom. Install ring to piston as picture shows.
Note: do not damage rings and piston; all the marks up; keep all rings smoothly after
installation.
Install piston and pin, the IN-mark faces air intake side. Install a new piston pin at last.
Cylinder installation
Clean crankcase contact face and keep it clean from dust or other waste.
Install 2 located pins and new gaskets.