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

BASE IGNITION TIMING 5° ± 2° BTDC

ADVANCE IGNITION TIMING 15° BTDC

SPARK PLUG GAP
Standard plugs .039 - .043 in ( 1.0 - 1.1 mm )

PRIMARY COIL RESISTANCE
At 20°C (68°F) 0.72 - 0.88 ohms


SECONDARY COIL RESISTANCE
At 20°C (68°F) 10.3 - 13.9K-ohms