mxer mxu 150 Workshop-manual : Page 220

          15. IGNITION SYSTEM                                                                         ATV 150/125

 Test the CDI unit using the CDI tester.
 Operate the CDI tester by following the                   Ignition Coil
                                                                                                     CDI Tester
   manufacturer`s instructions.                                                                          Spark
                                                                                                         Window
 Connect the special connector to the CDI
 coupler and CDI tester.

 Switch Range    Good CDI         Faulty CDI
 1. OFF           No spark          
 2. P             No spark          
                                                                   Spark Plug                CDI Unit
 3. EXT           No spark        Good spark
 4. ON1          Good spark        No spark
 5. ON2          Good spark        No spark
 If the CDI unit is faulty, replace it with a
 new one.
                                                      Blue/Yellow      Yellow/Brown         Light Green/Red



 Remove the seat.
 Disconnect the change gear control coupler
 and remove the change gear control unit.
 Measure the resistance between the
 terminals using the electric tester.

 Testing Range
 Use the xK range for the Sanwa Tester.               Green /Pink          Black   Green     Green /Yellow
 Use the xK range for the Kowa Tester.                                                        Unit: K

           Probe                     Green/         Green/       Light Green/ Blue/           Yellow/
                 Black    Green
  (-)Probe                          Yellow           Pink            Red      Yellow          Brown
      Black                   5-50K        5-50K    5-50K            5-50K         5-50K       5-50K

      Green                                5-50K    5-50K            5-50K         5-50K         0
     Green/
                              5-50K                 10-50K          10-50K         10-50K      5-50K
    Yellow
     Green/
                                                                       0                         
      Pink
  Light Green/
                                                       0                                         
      Red
     Blue/
                             50-200K      50-200K   50-200K        50-200K
    Yellow
    Yellow/
                                 0         5-50K    5-50K            5-50K         5-50K
     Brown

 Note: The readings in this table are taken
 with a Sanwa Tester.
15-5