Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

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LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

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Piston Ring, Engine

Cylinder Bore & Piston Size Marks








NOTE: The piston size mark shows on the top of the piston.

Piston Ring Size Marks








Piston Pin Outside Diameter 22.0 mm (0.87 inch)

Piston Ring To Ring Groove Clearance
Standard value
Number 1 0.03 - 0.07 mm (0.0012 - 0.0027 inch)
Number 2 0.02 - 0.06 mm (0.0008 - 0.0023 inch)
Limit 0.1 mm (0.003 inch)

Ring End Gaps
Standard value
Number 1 0.25 - 0.40 mm (0.010 - 0.016 inch)
Number 2 0.35 - 0.50 mm (0.014 - 0.020 inch)
Oil 0.10 - 0.35 mm (0.004 - 0.014 inch)
Limit
Number 1, Number 2 0.8 mm (0.03 inch)
Oil 1.0 mm (0.03 inch)