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: Specifications

Piston-to-bore clearance rebuild 0.020 - 0.040 Millimeter (mm)
Piston-to-bore clearance service 0.020 - 0.070 Millimeter (mm)
Piston diameter 84.77 - 84.80 Millimeter (mm)
Pin bore diameter 20.632 - 20.641 mm
Ring groove width compression (top) 1.53 - 1.55 Millimeter (mm)
Ring groove width compression (bottom) 1.53 - 1.55 Millimeter (mm)
Ring groove width oil 4.008 - 4.032 Millimeter (mm)
Ring groove width compression ring (top) to ring groove clearance 0.04 - 0.08 mm
Ring groove width compression ring (bottom) to ring groove clearance 0.06 - 0.09 mm
Squish height 0.908 - 1.858 mm