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Suddenly wont go past 1/4 throttle

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    Suddenly wont go past 1/4 throttle

    Hi all, on my way to work in the morning bike started acting up. All was good for about first half an hour was riding gently not really pushing it or anything first 5-6 miles were moving well then i hit traffic for about 4-5 miles when road opened up bike started bogging in every gear including neutral just wont go past 1/4 throttle. i looked everything over visually as but cant see anything obvious wrong with it. Where should i start looking this is on my 82 750E. Thanks in advance

    #2
    Hi,

    Make sure you have good spark at all the plugs. If so, then start looking at fuel delivery.


    Thank you for your indulgence,

    BassCliff

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      #3
      Ignitor (& trigger although they rarely go wrong), coils, plug wires & plugs. Petcock next I would think...
      1980 GS1000G - Sold
      1978 GS1000E - Finished!
      1980 GS550E - Fixed & given to a friend
      1983 GS750ES Special - Sold
      2009 KLR 650 - Sold - gone to TX!
      1982 GS1100G - Rebuilt and finished. - Sold
      2009 TE610 - Dual Sporting around dreaming of Dakar..... - FOR SALE!

      www.parasiticsanalytics.com

      TWINPOT BRAKE UPGRADE LINKY: http://www.thegsresources.com/_forum...e-on-78-Skunk/

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        #4
        Originally posted by salty_monk View Post
        Petcock next I would think...
        On this subject... Is there any reason why a PROPERLY working petcock would not supply enough fuel for the average GS850?? If it's working properly, it should flow plenty of fuel, right??

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          #5
          Yes... unless the filter is blocked or it's in fact not operating properly. You can also try running it on prime but with the tank off if you suck the vac hose you'll be able to see how much gas is coming out (watch you don't get wet feet!)

          If it's working correctly then the hose will look like it's at "full flow" unrestricted.
          1980 GS1000G - Sold
          1978 GS1000E - Finished!
          1980 GS550E - Fixed & given to a friend
          1983 GS750ES Special - Sold
          2009 KLR 650 - Sold - gone to TX!
          1982 GS1100G - Rebuilt and finished. - Sold
          2009 TE610 - Dual Sporting around dreaming of Dakar..... - FOR SALE!

          www.parasiticsanalytics.com

          TWINPOT BRAKE UPGRADE LINKY: http://www.thegsresources.com/_forum...e-on-78-Skunk/

          Comment


            #6
            hopefully i can make it home tonight and ill try all that. thanks to all

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              #7
              found the culprit of my troubles the negative cable terminal cracked off 5 min and all good to go

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                #8
                @ the battery or @ the ignitor?

                Comment


                  #9
                  at the battery

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