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Cheap go fast secrets for 750's

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    #1

    Cheap go fast secrets for 750's

    Hey everyone. I'm looking to do some mild work to a '79 750 engine. Right now it's in pieces so I figure now's as good a time as any to beef it up a bit and make a decent streetbike out of it. What I have to work with so far is the bottom end minus pistons, tranny, block, head minus cams and gears. Basicly, I'm woundering what's interchangable with the other GS engines, what to look out for and what gives good gains for cheap. I appreciate your input. Thanks
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    #2
    if you stay stock then a simple jet kit for the carbs, pod filters, and a good 4-1 exhaust are all most need for strong throttle excitement, much past these and your into racing teritory

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      #3
      Cams and compression will really wake those engines up .

      Also the ports really need some clean-up and mild port work , stock cams and some added compression with a pipe and one tooth smaller countershaft sprocket gets em off their chair too .

      I'm not sure how far your willing to go but 85 wheel hp is pretty easy to get w/o too much money spent .

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        #4
        Right on. Yeah, I'm not looking for anything too exstensive. Just wanta wake it up a bit. I may do a big bore kit, cause the motor has no pistons right now. So I figure nows as good as any. Would 1100 cams do anything for it? Or should I just stay with stockers?

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          #5
          1150 cams are the hot option
          Dink

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            #6
            The 1979 was a two valve motor . The cams were dumb in all them .

            I am no cam expert in terms of knowing the specs per model but I would think the 1000 cams to be a bit hotter . 104 intake lobe center angle and 108 ex would be a start even with the stockers .

            If you have cams you might just bore it , port it and pipe it then change cams later since it's easy on those models .

            Maybe think about old KZ 1000 carbs with single air filters ? These will have the larger needle jet for your needs .

            Off topic but when I have time I on occasion cruise through Ebay to just look at old parts . I cannot believe the premium some pay for the old real 29 mm Smooth Bores 8O

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              #7
              Am I correct to assume that you guys mean exhaust pipes when you say "pipe it"?

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                #8
                Originally posted by slowfoxbird
                Am I correct to assume that you guys mean exhaust pipes when you say "pipe it"?
                Yup
                Dink

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                  #9
                  <smartass>
                  The best way I've found to make a bike go faster is to twist the throttle. There are some prerequisites, but those are easy to learn about.
                  </smartass>

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