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12-28-2014 11:01 PM #16
What you're missing is how levers work.
Pulling a longer lever the same distance as a shorter lever results in less angular rotation.
In this example, the point where the lines come together at the bottom is the throttle shaft. The pull is 1" for both levers. The 4" lever would rotate about half as far as the 2" lever. That means you would have to pull the throttle cable further, resulting in more pedal movement.
Experiment with different lengths of levers, and you can tune your pedal travel.
Carb.jpgLast edited by Henry Rifle; 12-28-2014 at 11:15 PM.
Jack
Gone to Texas
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12-29-2014 07:12 AM #17
And to further clarify Jack's excellent post, from idle to wide-open-throttle (WOT) is right at exactly 90 degrees of rotation, from butterfly flat level to straight up. Your picture doesn't show it, but if the sheath of the throttle cable is not constrained at both ends that adds to your problem.Last edited by rspears; 12-29-2014 at 05:46 PM.
Roger
Enjoy the little things in life, and you may look back one day and realize that they were really the BIG things.
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12-29-2014 11:35 AM #18
The ideal configuration of your throttle lever on the carb would be angled 45 degrees towards the front of the engine. WOT would then be about 45 degrees to the rear. That gives an even pull throughout the throttle range.
Carb.jpgLast edited by Henry Rifle; 12-29-2014 at 05:47 PM.
Jack
Gone to Texas
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12-29-2014 06:22 PM #19
Triker---we need a photo showing more of your linkage and cable mounting-----------and please include the foot pedal area
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12-29-2014 08:32 PM #20
With the pedal floored is the cable pulled into the sheath, no braided wire showing?
Could the sheath just need to be trimmed back to allow the cable more travel ?
How much are the butterflies opening, how much more travel is needed to obtain WOT ?Last edited by pepi; 12-29-2014 at 09:22 PM.
I have two brains, one is lost and the other is out looking for it
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12-30-2014 04:43 AM #21
most likely the problem is on the pedal end and we are trying to crutch him thru a carb end fix .. the carb worked fine in stock configuration .iv`e used up all my sick days at work .. can i call in dead ?
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12-30-2014 04:54 AM #22
Roger
Enjoy the little things in life, and you may look back one day and realize that they were really the BIG things.
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12-30-2014 02:14 PM #23
I feel a little silly now. All those trees getting in the way of my view of the forest.Jack
Gone to Texas
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12-30-2014 02:43 PM #24
Roger
Enjoy the little things in life, and you may look back one day and realize that they were really the BIG things.
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