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

GENERAL SPECIFICATIONS
Piston Diameter (Without Coating)
Coded Red 1 90.167-90.180 mm (3.549875-3.550387 inches)
Coded Blue 2 90.180-90.193 mm (3.550387-3.550898 inches)
Coded Yellow 3 90.193-90.206 mm (3.550898-3.55141 inches)
Piston Diameter (With Coating)
Coded Red 1 90.187-90.238 mm (3.55066-3.55267 inches)
Coded Blue 2 90.200-90.225 mm (3.55117-3.55216 inches)
Coded Yellow 3 90.213-90.238 mm (3.55167-3.55267 inches)
Piston-to-Bore Clearance 0.012-0.026 mm (0.000472-0.0010236 inches)
Pin Bore Diameter 22.002-22.006 mm (0.8662-0.8663 inches)
Pin to Piston Clearance 0.005-0.01115 mm (0.0001968-0.0004527 inches)
Ring Groove Width
Compression (Top) 1.530-1.550 mm (0.060236-0.061024 inches)
Compression (Bottom) 1.520-1.530 mm (0.059842-0.06236 inches)
Oil Ring 6.996-7.224 mm (0.2754-0.2844 inches)