17. IGNITION SYSTEM A.C. GENERATOR INSPECTION For A.C. generator removal/installation, refer to pages 9-3 and 9-5. Disconnect the pulser coil wire coupler. Measure the pulser coil resistance between the blue/yellow wire and ground. A.C. Generator Connector Pulser Coil Wire Coupler Resistance (20): 80160 Measure the resistance in the X range. For pulser coil replacement, refer to pages 9- 3 and 9-5. CDI UNIT INSPECTION CDI Tester Remove the met-in box. ( 2-3) Disconnect the CDI coupler and remove the CDI unit. Inspect the CDI unit performance using the CDI tester. Correctly operate the CDI tester following the manufacturer`s instructions. Connect the CDI unit to the CDI tester special coupler (KB7). Adjust the CDI tester switch range. CDI Unit CDI Tester Special Coupler Switch Good CDI Faulty CDI 1. OFF No spark 2. P 3. EXT Good spark 4. ON1 Good spark No spark 5. ON2 Good spark No spark 17-4