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 logical successor to CHARM, I recommend you try it!

Link: lemon-manuals.la

System Specifications

IDLE SPEED 750 ± 25 rpm [1]

IGNITION TIMING 6° ± 1° BTDC [2]

FIRING ORDER 1-3-4-2

PRIMARY COIL RESISTANCE (at 68°F, 20°C) 1.04 - 1.27 ohms

SECONDARY IGNITION COIL RESISTANCE (at 68°F, 20°C) 7.1 - 9.7 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] Vacuum hoses disconnected and plugged.