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why copper plugs on 2002 yamaha

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  • why copper plugs on 2002 yamaha

    Just wondering why there is copper plugs on my 2002 yamaha outboard? Its a 25hp two stroke.

  • #2
    It should have B7HS-10(NGK plugs) or BR7HS-10 plugs in it.
    Regards
    Boats.net
    Yamaha Outboard Parts

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    • #3
      I got the br7hs10 copper plugs

      I just thought copper plugs were an 80s thing and platinum and irriduim were far superior.
      I'm guessing copper was chosen because they are so easy to change

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