sym jet 50 to 100

Discussion in 'The Workshop' started by lukemills12345, Nov 2, 2010.

  1. lukemills12345

    lukemills12345 New Member

    Messages:
    27
    Rides:
    Speedfight 2 70cc
    basicly i have a 50cc sym jet , and i have put a complete 100cc engine in , basicly it starrts fine but when i go to rev nothing happens i have checked the throttel and everything working fine , i have changed 2 carbs but still having same problem , all so when i turn the mixture screw ect nothing happens no change in engine rmp or noise, i was wondering if it could be the cdi unit as its still a 50cc cdi witch is in , help would be much apreatiated
     
  2. bobbster10

    bobbster10 New Member

    Messages:
    106
    Rides:
    sr125r converted
    u need to change the cdi mate got to be a 100cc if u have 100cc engine in it now plus change voltage regulator too i just done a 50cc to 125 conversion u have to change all
     
  3. lukemills12345

    lukemills12345 New Member

    Messages:
    27
    Rides:
    Speedfight 2 70cc
    cheers mate defo the voltage?? iv orderd cdi but not voltage what will happen if i dont , allso what happens if its a 50cc cdi does it do what i explaind mate
     
  4. bobbster10

    bobbster10 New Member

    Messages:
    106
    Rides:
    sr125r converted
    yea mate wont be gettin right voltage for spark and get voltage regulator as that controls your voltage for full bike
     

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