How do my plugs look?

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  • gearhead13
    • Feb 2026

    #1

    How do my plugs look?

    I think they look lean, but how lean are they? dangerously lean? I raised my fuel level 1mm and they have more color now, but I went on a 450km ride on these.
  • TheCafeKid

    #2
    Hard tellin for real on a comp screen. But, IMO they look pretty ok. Maybe a hair on the lean side. Not bad tho. the one on the left looks leaner than the rest by a touch. But, if the bike runs well, and they STAY this colour (are these from plug chops, what throttle pos?? Or just a full range pull?) then I might set the plug on the left a bit richer on the pilot, put em back in and ride that puppy...

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    • gearhead13

      #3
      Before I fixed my charging system, these plugs were all black and sooty, after a few hundred km's they cleaned right up. Real hard to do jetting when your charging system isnt working properly.
      Not a plug chop, just hard riding.

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      • rustybronco
        Forum LongTimer
        Bard Award Winner
        GSResource Superstar
        Past Site Supporter
        • Jul 2005
        • 14961
        • Marysville, Michigan

        #4
        They look just fine, just about where they should be.

        good close ups of each would be required for a more detailed opinion.
        De-stinking Penelope http://thegsresources.com/_forum/sho...d.php?t=179245

        http://www.thegsresources.com/_forum...35#post1625535

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        • cyclefvr2

          #5
          the electrode is a lil whit as well, i think there a lil lean just a lil, i dont think you should mess with the float levle, try a main jet change, 1 step bigger, leave the floats at factory sets, that way yu will not lean out wide open, or starve it

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          • Guest

            #6
            I would raise the needle one notch. The main looks ok.

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            • gearhead13

              #7
              Originally posted by chef1366
              I would raise the needle one notch. The main looks ok.
              I can't raise the needle because of these stupid 750 needles, It makes cruising rpm unrideable. Trying to find money for the right needles. Please buy my stator
              I was thinking of going back to 32 mm carbs, Called the local bike place and he wanted $250 for a dirty old set of carbs. Said I could do a part swap of my 34mm ones that are nice and clean and rebuilt, but I would have to pay extra Can you belive that???!!!!

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