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Fig. 5-20 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 (440 cc L/C Model) NOTE: Resistance tests of the engine electrical components should be made using the Fluke IGNITION COIL (PRIMARY) 1. Disconnect the double wire plug from the CDI unit to the ignition coil. 2. Set the selector in the X1 position. 3. Connect the red meter lead to the orange lead; then connect the black meter lead to the black/white Fig. 5-21 AK051D 4. Ignition coil primary resistance must be between 0.078-0.106 ohm. IGNITION COIL (SECONDARY) 1. Remove the spark-plug caps from the high tension wires. 2. Set the selector in the X1K position. 3. Connect the red meter lead to one high tension wire; then connect the black meter lead to the other high Fig. 5-22 AK050D 4. Ignition coil secondary resistance must be between 3485-4715 ohms. CHARGE COIL (1) 1. Disconnect the triple-wire plug from the CDI unit to the magneto. 2. Set the selector in the X1K position. 3. Connect the red meter lead to the green wire in the plug; then connect the black meter lead to the 5-26 |