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fh721v spark plug size kawasaki

Discussion in 'Mechanic and Repair' started by The mayor, Aug 12, 2010.

  1. The mayor

    The mayor LawnSite Senior Member
    Messages: 592

    I picked up a kawasaki motor that once warm has a hard time starting. I believe it is the plugs. The ones that are in there are nkk bpr6es. I think the heat range is too cold and think it should be a bpr4es. Can anyone confirm the correct plug for the engine.
  2. dutch1

    dutch1 LawnSite Silver Member
    from Jayhawk
    Messages: 2,249

    Without checking my reference, I think BPR4ES is the correct plug. Check NGK's website to confirm. You may have other problems that are contributing to your hard start.
  3. Ruben Rocha

    Ruben Rocha LawnSite Senior Member
    Messages: 577

    Yes NGK BPR4ES is in my book for a FH721v
  4. The mayor

    The mayor LawnSite Senior Member
    Messages: 592

    Changed the plugs and is running great. Thanks all.

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