2007 Arctic Cat Y-12 90cc ATV Service Manual, Page 67Get this manual
2Connect the red tester lead to the blackyellow wire; then connect the black tester lead to the green wire3Crank the engine over using the electric starterThe meter must read 190-282 volts 3Crank the engine over using the electric starterThe meter must read 4.0-5.5 volts
Battery
For battery-related information, see Section 2
StatorMagneto Coil
Disconnect the two-wire connector in front of the steering postVOLTAGE (No Load)
NOTE: The battery must be at full charge for this test
Brakelight Switch
The switch connector is the two individual single connectors located beneath the left-front fenderNOTE: The ignition switch must be in the ON position
1Set the meter selector to the AC Voltage position2Connect the red tester lead to the yellow wire; then connect the black tester lead to the white wire3With the rear axle supported and the wheels off the floor, start the engine and run at 3000 RPM or to the RPM limiterThe meter must read 16.0-19.5 voltsRESISTANCE
VOLTAGE (Wiring Harness Connector)