2-valve 750 dyno?

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  • Guest

    #1

    2-valve 750 dyno?

    Has anyone done it? I'm mostly just curious, more about the torque curve than the peak numbers. I've seen some 1000 2-valve graphs and an 1150 that have a fairly flat torque curve, is the 750 the same way?

    The advertised peak numbers seem all over the place depending on where you look. Maybe 70 hp?
  • sam000lee
    Forum Mentor
    • Jun 2013
    • 884
    • MA

    #2
    I've done it on my GS750. Any performance gain was secondary to me wanting something more reliable to the original points. To be honest, any performance gain I may have noticed would have been due to my inability to precisely adjust the old points...
    1980/1981 GS450 - GS500 Cylinder + Piston Swap - "De-L'ed", custom seat, CB350 bits, 18" rear, etc.
    1977 GS550
    1977 GS750 - Cross country trip thread

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    • Guest

      #3
      Originally posted by sam000lee
      I've done it on my GS750. Any performance gain was secondary to me wanting something more reliable to the original points. To be honest, any performance gain I may have noticed would have been due to my inability to precisely adjust the old points...
      You don't still have the results do you? Or remember how flat the torque curve was?

      I think I might be the only one that doesn't mind the points. I've checked mine the past 3 oil changes and the timing hasn't moved at all.

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      • fbody_mike
        Forum Mentor
        • Oct 2017
        • 360
        • San Gabriel Valley CA

        #4
        http://www.suzukicycles.org/GS-serie...articles.shtml

        I found this from Cycleworld. Rear wheel HP and dyno model is listed so it looks like it was their own test.


        http://www.suzukicycles.org/photos/G...Cycle5_800.jpg
        Attached Files
        Last edited by fbody_mike; 08-08-2018, 06:32 PM.
        1981 Suzuki GS250T
        1982 Yamaha Seca Turbo
        1985 Suzuki GS550E
        2004 Suzuki GSF1200S

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        • hannibal
          Forum Sage
          • Jun 2015
          • 1033
          • Washington DC

          #5
          Originally posted by sam000lee
          I've done it on my GS750. Any performance gain was secondary to me wanting something more reliable to the original points. To be honest, any performance gain I may have noticed would have been due to my inability to precisely adjust the old points...
          He's asking about power and torque output, not converting to Dyna setup.
          Jordan

          1977 Suzuki GS750 (My first bike)
          2000 Kawasaki ZRX1100
          1973 BMW R75/5

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