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)

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System Specifications

Cylinder Head and Valve Train
Valve arrangement (front to rear)
Valve head diameter - intake 47.27 mm (1.86 inch)
Valve head diameter - exhaust 37.1 mm (1.46 inch)
Valve face runout 0.05 mm (0.002 inch)
Valve face angle 45.675 degrees
Cylinder head gasket surface flatness 0.18 mm (0.007 inch)
Combustion chamber volume 61.5-64.5 cc
Cylinder head bolt tightening toque & sequence; Service and Repair
Intake Manifold Toque and Tightening Sequence; Service and Repair




LH:





Exhaust manifold-to-cylinder head nuts 33 Nm (24 ft. lbs.)