Takes a while to warm up my GS400

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  • Anonymous
    #1

    Takes a while to warm up my GS400

    I have a GS400T, which takes a long time to warm up. On some posting, I read that it should only take about 30 seconds before the engine is warmed up, but in my case I can let it run for about 5 minutes, and still if I rev it, it will begin to bog at about 3500 RPM. This symptom goes away after I drive it down the road, less than a quarter mile.
    I'm new to riding, so I don't know if this is normal. It doesn't cause a big problem, as I simply ride slowly for the first quarter mile, then I can rev as much as I'd like. I just want to know if this is the sign of a larger problem.
    Tom
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    • focus frenzy
      #2
      warmed up in 30 seconds???/ LOL I don't think so.

      it does sound like you are running a bit lean, adjusting the air screws will help this.

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        • spots25
          #3
          I used to have some problems with that, but I found a way to get mine to work properly in about 30 seconds. Not fully warmed up mine you, but so it doesn't die.

          I start it with the choke on, let it idle for 20-25 seconds, then take it up to 3-4 grand RPM, then turn off the choke, and rev it a few times, and its gold

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            • earlfor
              Forum LongTimer
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              • May 2002
              • 42413
              • off grid cabin 1/24/26 7pm
              #4
              Hmmm, start up a cold engine and immediately rev it up before the oil pump has time to get oil to various parts. I dont think so.

              Earl

              Originally posted by spots25
              I used to have some problems with that, but I found a way to get mine to work properly in about 30 seconds. Not fully warmed up mine you, but so it doesn't die.

              I start it with the choke on, let it idle for a few seconds, then take it up to 3-4 grand RPM, then turn off the choke, and rev it a few times, and its gold
              Komorebi-The light filtering through the trees.

              I would rather sit on a pumpkin and have it all to myself than be crowded on a velvet cushion. H.D.T.

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                • spots25
                  #5
                  Originally posted by earlfor
                  Hmmm, start up a cold engine and immediately rev it up before the oil pump has time to get oil to various parts. I dont think so.

                  Earl

                  Originally posted by spots25
                  I used to have some problems with that, but I found a way to get mine to work properly in about 30 seconds. Not fully warmed up mine you, but so it doesn't die.

                  I start it with the choke on, let it idle for a few seconds, then take it up to 3-4 grand RPM, then turn off the choke, and rev it a few times, and its gold
                  i let it sit about 20-25 seconds before bringing it up to 3-4 grand. I suppose I should have been more specific.

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