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)
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Piston Ring: Specifications
Piston Ring Ring groove width
Top
1.203-1.205 mm (0.0473-0.0474 inch)
2nd
1.17-1.19 mm (0.0.460-0.0468 inch)
Oil
2.501-2.503 mm (0.0984-0.0985 inch)
Width
Top
1.17-1.185 mm (0.0460-0.0466 inch)
2nd
1.197-1.199 mm (0.0471-0.0472 inch)
Oil
2.38-2.45 mm (0.093-0.096 inch)
Ring gap (in bore)
Top
0. 16-0.31 mm (0.006-0.012 inch)
2nd
0.33-0.48 mm (0.012-0.018 inch)
Oil
0.2-0.7 mm (0.007-0.027 inch)