Operation CHARM: Car repair manuals for everyone.
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 or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Piston Ring, Engine

Piston Ring Ring Groove Width No.1 1.202 - 1.204
No.2 1.501 - 1.503
Oil 3.010 - 3.025
Number Of Rings Per Piston 3
Compression Rings 2
Oil Ring 1
Compression Ring Type No.1 Barrel Type, Steel
No.2 Taper Type, Special Cast Iron
Oil Ring Type 3-Piece Type
Ring End Gap No.1 0.30 - 0.45
No.2 0.45 - 0.60
Oil Ring Side Rail 0.2 - 0.7
Ring Side Clearance No.1 0.04 - 0.06
No.2 0.02 - 0.08
Rings For Service Oversize 0.25, 0.50, 0.75, 1.00 mm