Snowmobile Arctic Cat 2-Stroke (2007 year). Manual - part 71

5-14

3. In turn on each cap, touch a tester lead to each end

of the spark-plug cap.

B170

4. Spark-plug cap resistance must be between 4000-

6000 ohms.

IGNITION SWITCH

1. Remove the main wiring harness connectors from

the ignition switch.

2. Rotate the key to the OFF position.

3. The meter must read less than 1 ohm resistance

between the ignition switch terminals.

4. Rotate the key to the RUN position.

5. The meter must read OL (infinite resistance).

Testing Electrical 

Resistances

(800/1000 cc Models)

„NOTE: Resistance tests of the engine electrical
components should be made using the Fluke Mul-
timeter only. Analog-style multitesters may not be
accurate enough to use in these critical tests.
Replace any component that does not have a test
value within specifications.

IGNITION COIL (Primary)

1. Disconnect the double wire plug from the ECU to

the ignition coil.

2. Set the selector in the OHMS position.

3. Connect the red meter lead to the black/white lead;

then connect the black meter lead to the white/blue

lead.

4. Ignition coil primary resistance must be between

0.24-0.36 ohm.

IGNITION COIL (Secondary)

1. Remove the spark-plug caps from the high ten-

sion wires.

2. Set the selector in the OHMS position.

3. Connect the red meter lead to one high tension

wire; then connect the black meter lead to the

other high tension wire.

AK050D

4. Ignition coil secondary resistance must be between

5040-7560 ohms.

CHARGE COIL (1)

1. Disconnect the triple-wire plug from the main wir-

ing harness to the magneto.

2. Set the selector in the OHMS position.

3. Connect the red meter lead to the black/red wire in

the plug; then connect the black meter lead to the

green/red wire in the plug.

AK014

4. Charge coil (1) resistance must be between 7.20-

10.8 ohms. 

CHARGE COIL (2)

1. Disconnect the triple-wire plug from the ECU to

the magneto.

2. Set the selector in the OHMS position.

3. Connect the red meter lead to the brown/white

wire in the plug; then connect the black meter lead

to the green/red wire in the plug.

5

5-15

AK013

4. Charge coil (2) resistance must be between 7.20-

10.8 ohms. 

LIGHTING COIL

1. Disconnect the main wiring harness from the

engine.

2. Set the selector in the OHMS position.

3. Connect the two meter leads to each of the yellow

leads in the connector from the engine.

AK015

4. Lighting coil resistance must be between 0.08-

0.12 ohm.

IGNITION TIMING SENSOR

1. Disconnect the two timing sensor connectors

(blue/white and brown/green - #1) and (green/

white and brown/green - #2) from the ECU.

2. Set the selector in the OHMS position; then con-

nect the meter leads to the sensor leads.

3. Ignition timing sensor resistance must be between

148-222 ohms.

SPARK-PLUG CAP

1. Remove the spark-plug caps from the high tension

wires.

2. Set the selector in the OHMS position.

3. In turn on each cap, touch a tester lead to each end

of the spark-plug cap.

B170

4. Spark-plug cap resistance must be between 4000-

6000 ohms.

IGNITION SWITCH

1. Remove the main wiring harness connectors from

the ignition switch.

2. Rotate the key to the OFF position.

3. The meter must read less than 1 ohm resistance

between the ignition switch terminals.

4. Rotate the key to the RUN position.

5. The meter must read OL (infinite resistance).

Testing Electrical 

Resistances

(370 cc Model)

„NOTE: Resistance tests of the engine electrical
components should be made using the Fluke Mul-
timeter only. Analog-style multitesters may not be
accurate enough to use in these critical tests.
Replace any component that does not have a test
value within specifications.

IGNITION COIL (Primary)

1. Disconnect the two connectors from the CDI unit

to the ignition coil.

2. Set the selector in the OHMS position.

3. Connect the red meter lead to the orange lead; then

connect the black meter lead to the black lead.

5-16

AK051D

4. Ignition coil primary resistance must be between

0.26-0.35 ohm.

IGNITION COIL (Secondary)

1. Remove the spark-plug caps from the high tension

wires.

2. Set the selector in the OHMS position.

3. Connect the red meter lead to one high tension

wire; then connect the black meter lead to the

other high tension wire.

AK050D

4. Ignition coil secondary resistance must be between

6800-10,200 ohms.

STATOR COIL (Charge)

1. Disconnect the triple-wire plug from the CDI unit

to the magneto.

2. Set the selector in the OHMS position.

3. Connect the red meter lead to the red/white wire in

the plug; then connect the black meter lead to the

black/red wire in the plug.

AK013

4. Stator (charge) coil resistance must be between

128-192 ohms.

LIGHTING COIL

1. Disconnect the main wiring harness from the

engine.

2. Set the selector in the OHMS position.

3. Connect the two meter leads to each of the yellow

leads in the connector from the engine.

AK015

4. Lighting coil resistance must be between 0.17-

0.26 ohm.

SPARK-PLUG CAP

1. Remove the spark-plug caps from the high tension

wires.

2. Set the selector in the OHMS position.

3. In turn on each cap, touch a tester lead to each end

of the spark-plug cap.

5

5-17

B170

4. Spark-plug cap resistance must be between 4000-

6000 ohms.

IGNITION SWITCH

1. Remove the main wiring harness connectors from

the ignition switch.

2. Rotate the key to the OFF position.

3. The meter must read less than 1 ohm resistance

between the ignition switch terminals.

4. Rotate the key to the RUN position.

5. The meter must read OL (infinite resistance).

Testing Electrical 

Resistances

(570 cc Model)

„NOTE: Resistance tests of the engine electrical
components should be made using the Fluke Mul-
timeter only. Analog-style multitesters may not be
accurate enough to use in these critical tests.
Replace any component that does not have a test
value within specifications.

IGNITION COIL (Primary)

1. Disconnect the double wire plug from the CDI unit

to the ignition coil.

2. Set the selector in the OHMS position.

3. Connect the red meter lead to the orange wire in

the plug; then connect the black meter lead to the

black/white wire in the plug.

AK051D

4. Ignition coil primary resistance must be between

0.26-0.35 ohm.

IGNITION COIL (Secondary)

1. Remove the spark-plug caps from the high tension

wires.

2. Set the selector in the OHMS position.

3. Connect the red meter lead to one high tension

wire; then connect the black meter lead to the

other high tension wire.

AK050D

4. Ignition coil secondary resistance must be between

6800-10,200 ohms.

CHARGE COIL (1)

1. Disconnect the three-wire plug from the CDI unit

to the magneto.

2. Set the selector in the OHMS position.

3. Connect the red meter lead to the black/red wire in

the plug; then connect the black meter lead to the

green/red wire in the plug.