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lighting coil

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  • lighting coil

    With the flywheel off for some unrelated work on my 1998 Yamaha 25 hp two stroke motor I noticed damage to the lighting coil. The wrap around coil wire was crushed and I can't imagine it works in this condition. The engine ran fine with no problems, The battery charged and everything worked electrically. This is an electric start - manual tilt motor. So my question is, what is the function of the lighting coil and will the motor run without it? It's possible I damaged it removing the flywheel but I don't think so. Any input will be appreciated.

  • #2
    that coil charges the battery.
    probably ran bolts too far into the flywheel and turned the flywheel
    or tried prying the flywheel off and hit the lighting coil

    Last edited by 99yam40; 1 week ago.


    • #3
      I think you're right- looks like one of the the flywheel puller bolts must have contacted the coil- expensive lesson to learn - thanks for the input..


      • #4
        So I guess my question is, will the motor run as normal without this coil? I think the battery is only used for electric start?


        • #5
          as long as you did not hurt the charge coils and pulser coils and have a good battery , it should run