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

System Specifications

Cylinder Head B/S 27.012 - 26.9187 mm
Gear Backlash 0.0076 - 0.1295 mm
Balance Shaft Endplay 0.04 - 0.18 mm
Combustion Chamber Volume 52.6 - 51.6 cc
Valve Seat Width - Intake 2.1-1.9 mm
Valve Seat Width - Exhaust 2.1-1.9 mm
Valve Seat Angle 45.00-44.50 degrees
Valve Seat Runout 0.025 mm (T.I.R.)

For torque specifications, refer to the service procedure.