Quote:
Originally Posted by b1pig
i'll jump on this bad-wagon....
i have removed and cleaned the carb on the wife's GZ twice. it idles wonderfully, but above about 1/3 throttle, ours also sputters, flattens out and seems to be running lean. however, if you run it on up through all the gears... it will pull along to the 60's. if you creep through the gears, it will not produce enough power to roll past 45.
gonna pick up some seafoam tomorrow and give it a soak. hopefully that will resolve the problem on ours.
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Your mid range is affected by the needle jet. Since it sounds like your bike works fine at low speed (pilot jet) and at 3/4-full throttle (main jet) then you can probably get away with simply pulling the top diaphragm cover and cleaning the need passages.