Thread: Power loss
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Old 05-30-2007, 10:57 PM   #25
Easy Rider
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Join Date: May 2007
Location: Champaign, Illinois
Posts: 4,561
Quote:
Originally Posted by 1Rogue
But, being that the hesitation is only happening at 45-60mph would checking the bowl while not moving be effective? There is no hesitation at low speeds.
Yea, the fuel level shouldn't vary by much regardless of speed, as long as the line to the tank isn't restricted......which it appears that you have pretty much ruled out.

See that black tube going from the bottom of the carb down toward the pavement? It is a combination overflow (should the float stick open) and manual drain tube. It becomes a drain for the bowl if you loosen the screw just above the top of the hose.

To check the fuel level in the bowl, you need to (temporarily) replace the black hose with one that is the same size but CLEAR. Open the drain screw and let some fuel out in a can, etc. Petcock must be at PRI. (Come to think of it, just draining/flushing the bowl might help if it has accumulated some water). To check the level of fuel in the bowl, loop the clear tube UP past the carb. being careful not to kink it. Open the drain screw and watch the fuel in the tube. The level in the tube will be the same as the level in the bowl. BIKE SHOULD BE UPRIGHT IN NORMAL RIDING POSITION.

So, at this point you ask what is a normal level? I don't know for sure but my guess is that the bowl should be almost full and certainly not less than 1/2 full.

To recap: What year bike? How many miles? Is that 45-60 mph in top gear?
Noticed any hesitation in lower gears at high RPM?
HAVE YOU CHANGED THE PLUG YET?
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