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

Electrical Specifications

IDLE SPEED 850 ± 50 rpm [1]

IGNITION TIMING
Vacuum hoses disconnected 2° ± 1° BTDC [2]
Vacuum hoses connected approx. 7° BTDC [2]

FIRING ORDER 1-3-4-2

PRIMARY IGNITION COIL RESISTANCE continuity across terminals

SECONDARY IGNITION COIL RESISTANCE 6 - 30 K ohms

SPARK PLUG WIRE RESISTANCE 16 K ohms per 3.28 ft (1 m)

SPARK PLUG GAP 0.039 - 0.043 in (1.0 - 1.1 mm)

[1] Test connector grounded.
[2] Test connector not grounded.