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
Piston diameter (Grade 2) at right angle-to-pin bore 90.180 ± 0.005 mm
Piston-to-bore clearance (-0.005) to +0.025 mm
Pin bore diameter (piston) 22.008-22.014 mm
Pin diameter 22.0010-22.0030 mm
Clearance (neg. or post) 0.0139-0.005 mm
Pin bore diameter (rod) 22.012-22.024 mm
Clearance 0.009-0.023 mm
Ring groove width
Top 1.503-1.505 mm
Intermediate 1.502-1.504 mm
Oil control 3.030-3.050 mm
Piston ring gap
Top 0.15-0.30 mm
Intermediate 0.25-0.50 mm