16. IGNITION SYSTEM ATV 50 Ignition Coil Performance Test Remove the ignition coil. Inspect the ignition coil with an ignition coil CDI Tester tester. Ignition Coil Follow the ignition coil tester manufac- turer`s instructions. 1. Turn the changeover switch to 12V and connect the ignition coil to the tester. 2. Turn the power switch ON and check the spark from the watch window. Good : Normal and continuous spark Spark Plug CDI Unit Faulty : Weak or intermittent spark The test is performed at both conditions that the ignition coil is cold and hot. Pulser coil connector PULSER UNIT WIRE HARNESS INSPECTION Check the continuity between the Green wire terminal and ground. There should be continuity at all times. 16-6