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)

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Piston: Specifications

GENERAL SPECIFICATIONS

Piston
Piston Diameter
Coefficient 8 87.440 - 87.450 mm (3.4425 - 3.4429 inch)
Coefficient 99 87.450 - 87.460 mm (3.4429 - 3.4433 inch)
Coefficient 00 87.460 - 87.470 mm (3.4433 - 3.4437 inch)
Coefficient 01 87.470 - 87.480 mm (3.4437 - 3.4441 inch)
Coefficient 02 87.480 - 87.490 mm (3.4441 - 3.4445 inch)
Piston Pin Bore Diameter 21.001 - 21.005 mm (0.8268 - 0.8270 inch)
Piston to Bore Clearance 0.025 - 0.045 mm (0.0010 - 0.0018 inch)

Pin
Piston Pin Clearance to Connecting Rod Bore 0.001 - 0.015 mm (0.0004 - 0.0006 inch)
Piston Pin Diameter 20.990 - 21.000 mm (0.8264 - 0.8268 inch)