S1 Publishing(Oxford)© 1999-06

World of motorcycleS
S1 Publishing(Oxford)© 1999-06
Pistons, rings, and gudgeon (wrist) pins

Top left: Oil scraper rings (3 of), the "crinkley" ring goes in the centre
Top right: Compression rings (2 of)
Bottom left: piston with rings and gudgeon pin (wrist pin)
Botton centre: Gudgeon pin (wrist pin)
Bottom right: Piston
Note most rings go with the writing up side. 

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