17. IGNITION SYSTEM MXU 300/250 Test the ignition unit using the ignition unit tester. CDI Tester Ignition Coil Operate the ignition unit tester by Spark following the manufacturer`s Window instructions. Connect the special connector to the ignition unit coupler and ignition unit tester. Switch Range Good CDI Faulty CDI 1. OFF No spark Spark Plug CDI Unit 2. P No spark 3. EXT No spark Good spark 4. ON1 Good spark No spark Change Gear Control 5. ON2 Good spark No spark If the ignition unit is faulty, replace it with a new one. CHANGE REAR CONTROL INSPECTION Testing Range(at 20°C) Unit: Probe Yellow/ Light Green/ Green/ Green/ Black/ Green Black (-)Probe Brown Red Pink Yellow White Green 14 7.85M 7.85M 10K Yellow/ 18 7.85M 7.85M 10K Brown Light Green/ 7.85M 7.85M 11 7.85M Red Green/ 7.85M 7.85M 9 7.85M Pink Green/ Yellow Black/ 11 White Black 10K 10K 7.85M 7.85M Note: The readings in this table are taken with a YF-3501 Tester. 17-5