2000 Arctic Cat ATV Factory Service Manual, Page 210Get this manual
IGNITION (cont)
Specifications
250 cc IGNITION Ignition Timing Spark Plug Type Spark Plug Gap Spark Plug Cap Ignition Coil Resistance (primary) (secondary) MAGNETO Magneto Coil Resistance (trigger) (charging) Magneto Output 90-140 ohms (BlackYellow to GreenWhite) 0.1-1.0 ohm (Yellow to Yellow) 220W 5000 RPM
5 BTDC below 1800 RPM 35 BTDC above 3800 RPM
Ignition Coil Resistance (400 cc) (primary) (secondary) Ignition Coil Resistance (500 cc) (primary) (secondary) MAGNETO Magneto Coil Resistance (Trigger)
0.1-1.0 ohm (terminal to ground) 12,000-30,000 ohms (high tensionplug cap removedto ground) 0.1-0.8 ohm (terminal to ground) 10,000-15,000 ohms (high tensionplug cap removedto ground)
NGK DR7EA 0.6-0.7 mm (0.024-0.028 in 8000-12,000 ohms 0.1-0.5 ohm (terminal to ground) 5200-7800 ohms (high tensionplug cap removedto ground)
(SourceCharge) (Charging) Magneto Output