1984 Ski-Doo Shop Manual, Page 290Get this manual
SECTION 04 ELECTRICAL SYSTEM
SUB-SECTION 03 (SPARK PLUGS)
EXPLANATION OLD SYSTEM
EXPLANATION NEW SYSTEM
Example:
Example:
X wide gap .044" (1.1 mm) wide gap
For Marine Engines, resistant to seawater Electrode with Platinum Tips Silver Center Electrode Wide -Gap Electrodes.060" Wide -Gap Electrodes.044" Wide -Gap Electrodes.060"
D:ii5mml
designs
Thread Reach ER1
Thread Reach
Shielded, water-proof; built-in burn-off resistor Plugs for 2-cycle engines Electrodes of precious metals Suppressor resistor, 5000 ohms, built-in Silver ground electrode Standard type Semicovered front electrode
' Heat Range