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Piston Ring, Engine

Piston Rings

Piston Ring Side Clearance:
No.1 0.04-0.08mm (0.0016-0.0031in.)
No.2 0.03-0.07mm (0.0012-0.0028in.)
Limit:
No.1 0.1mm (0.004in.)
No.2 0.1mm (0.004in.)

Piston Ring End Gap:
Standard Dimensions:
No.1 0.20-0.35mm (0.0079-0.0138in.)
No.2 0.37-0.52mm (0.0146-0.0205in.)
Limit:
No.1, No2. 0.8mm (0.031in.)
Oil Ring Side Rail 1.0mm (0.039in.)

Piston Ring Service Size and Mark:
STD. None.
0.25mm (0.010in.) O.S. 25
0.50mm (0.020in.) O.S. 50
0.75mm (0.030in.) O.S. 75
1.00mm (0.039in.) O.S. 100
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