Spark Plugs

Discussion in 'Outboard Maintenance' started by Reel_Karma, Feb 11, 2012.

  1. Reel_Karma

    Reel_Karma Striped Fool

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    Went to change the plugs on my F20 Yamaha and none of my spark plug sockets fit(or any in the set). Any recommendations?

    Thanks
     
  2. Brett

    Brett > PRO STAFF <

    5/8", 13/16" or 15/16" are the only size plug sockets I've ever needed.
    That goes for vehicles, outboards, and lawn equipment.
     

  3. DuckNut

    DuckNut Brandon, FL

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    Deep well of whatever size fits.
     
  4. Tommysmicroskiff

    Tommysmicroskiff I Love microskiff.com!

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    Tow the boat to a NAPA store and pick out the right one

    I have an odd ball plug size on a Yamaha also 18 mm I think ?
     
  5. Reel_Karma

    Reel_Karma Striped Fool

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    18mm it was.  Thanks for all the help.
     
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