16. IGNITION SYSTEM STRYKER 125/150 PERFORMANCE TEST Ignition Coil CDI Tester Test the performance with a CDI tester. · Operate the CDI tester by following Spark Window the manufacturer`s instructions. · Use the special connector to connect the CDI unit. If the spark is weak, inspect the spark plug and CDI unit. If both of them are normal, replace the ignition coil with a new one. Spark Plug CDI Unit CDI UNIT CDI Unit REMOVAL Remove the left side cover. Disconnect the CDI unit coupler and remove the CDI unit. INSPECTION Black/White Black/Red Green Measure the resistance between the CDI unit terminals. Replace the CDI unit if the readings are not within the specifications in the table below. The CDI unit is fully transistorized. For accurate testing, it is necessary to use a specified tester. Use of an improper tester or measurements in an improper range may give false readings. Use a Sanwa Electric Tester SP-10D or Kowa Electric Tester TH-5H for t ti Black/Yellow Blue/ White Green/White 16-5