Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

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

Link: lemon-manuals.la
If it fails: lemon-manuals.org.ua

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Piston Ring, Engine

Ring Groove Clearance
No.1 0.020 - 0.070 mm
No.2 0.020 - 0.060 mm

Standard End Gap
No.1 0.25 - 0.35 mm
No.2 0.35 - 0.45 mm
Oil (side rail) 0.15 - 0.40 mm

Maximum End Gap
No.1 0.95 mm
No.2 1.05 mm
Oil (side rail) 1.00 mm