Misfire

Discussion in 'Maintenance' started by Mad taffy, Apr 8, 2015.

  1. Mad taffy

    Mad taffy New Member

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    Hi guys need some help my rr4 blade was parked up over winter changed the plugs oil disconnected flapper mod now I have a bad misfire at low revs but go when you open the throttle should I put the old plugs back in .
     
    #1 Mad taffy, Apr 8, 2015
  2. Cbrjay

    Cbrjay Well-Known Member

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    Has the fuel gone off?

    Try swapping plugs, are plug gaps ok any damage to ht leads?
     
    #2 Cbrjay, Apr 8, 2015
  3. racman

    racman Active Member

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    there r no ht leads. coil per plug set up
     
    #3 racman, Apr 8, 2015
  4. Mad taffy

    Mad taffy New Member

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    Just put old plugs back in and it's running fine my dad always said if its not Broken don't fix it.
     
    #4 Mad taffy, Apr 8, 2015
  5. Dave

    Dave Member

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    What make plugs are you using, we have had terrible trouble with NGK's. Have had no problem with Nippon Denso's.
     
    #5 Dave, Apr 8, 2015
  6. Mad taffy

    Mad taffy New Member

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    NGK mate bought them from m&p phoning them tomorrow.
     
    #6 Mad taffy, Apr 8, 2015

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