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, Engine

Piston

Standard diameter:
A: 92.005 - 92.015 mm (3.6222 - 3.6226 inch)
B: 91.995 - 92.005 mm (3.6218 - 3.6222 inch)

Taper:
Standard 0.015 mm (0.0006 inch)
Out-of-roundness:
Standard 0.010 mm (0.0004 inch)

Piston outer diameter:
Standard
A: 91.985 - 91.995 mm (3.6214 - 3.6218 inch)
B: 91.975 - 91.985 mm (3.6211 - 3.6214 inch)
0.25 mm (0.0098 inch) oversize 92.225 - 92.235 mm (3.6309 - 3.6313 inch)
0.50 mm (0.0197 inch) oversize 92.475 - 92.485 mm (3.6407 - 3.6411 inch)

Cylinder to piston clearance at 20°C (68°F):
Standard 0.010 - 0.030 mm (0.0004 - 0.0012 inch)