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Recent content by vintagesportbikes

  1. V

    Hesitation when bliping the throttle

    I appreciate the comments. Good advice. Thanks guys.
  2. V

    Hesitation when bliping the throttle

    I haven't ridden it yet. The bike was not running (or apparently stopping) when I got it. The hesitation I see when twisting the throttle is abnormal, but I can't tell if it's flooding or starving. I think it would bog down under load until it caught up a second or 2 later. . Admittedly, when I...
  3. V

    Hesitation when bliping the throttle

    My 1981 750f is hesitating when I run the throttle up. It idles good at 1000rpm, but lags as I hit about 3500-4000 rpm, then after a second or two revs up quickly. I cleaned the carbs (they didn't look very dirty) and installed new jets, float needle valves and main needle and pilot valves. The...
  4. V

    1981 cb750f carb float needle valve issue

    So I picked up an '81 and ordered the carb rebuild kit. The original carbs had evidence of disassembly. The old floats were simply attached to the non-adjustable plastic float through a groove. None of the needle valve were seating when I got the bike. When I installed the new floats and needle...
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