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 Dimensions and Clearances

Width of Compression Ring Groove-Top Ring 0.048 - 0.049 Inch (in)
Width of Compression Ring Groove-Second Ring 0.060 - 0.061 Inch (in)
Width of Compression Ring Groove-Oil Ring 0.119 - 0.120 Inch (in)
Piston Diameter @ 40 mm from Top of Piston 3.6597 - 3.6603 Inch (in)
Piston Taper No Piston Taper Measurement
Piston Material Aluminum
Piston Pin Bore Diameter 0.8662 - 0.8665 Inch (in)