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

* Diameter
Red 1 90.177-90.197 mm (3.55027-3.551056 inch)
Blue 2 90.190-90.210 mm (3.55078-3.55157 inch)
Yellow 3 90.203-90.223 mm (3.55129-3.55208 inch)
Piston-to-Bore
Clearance Limit 0.012-0.026 mm (0.00047-0.00102 inch)
Piston Pin Bore 22.0015-22.004 mm (0.866199-0.866297 inch)
Ring Groove Width:
Compression, Top 1.530-1.550 mm (0.06024-0.06102 inch)
Compression, Bottom 1.520-1.530 mm (0.05984-0.06024 inch)
Oil 6.996-7.224 mm (0.27543-0.28441 inch)

* Measured below the oil ring groove.