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150cc GY6 and Under Engine Tech GY6 and Smaller Technical Discussion Forum |
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#1
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howhit gy6 carburetor issues?
My howhit gy6 150cc starts and idles fine and runs great up to 1/4 throttle but when I give it more gas it sputters and sometimes dies out. I'll try to make another video of what its doing. I'm thinking of just buying a whole different carburetor since a new float valve, diaphragm and electric choke hasn't fixed the problem. Anyone tried any of the ebay 24mm carburetors? I've seen them for like $30 on there and up to $60 for performance ones.
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#2
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the carbs on ebay are basicly the same as the one you have-but are usualy for scooters
and are jetted for scooters -too small of jets often
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olderthan 2008 tomberline punisher 1500 spring 12g sliders 30mm cv pumper carb uni filter no rev cdi polaris xlt snowmobile shocks for front w/550 magnum springs & blaster fronts on rear and another buggy built working on mods gk-13 white spring 17 gram sliders so far |
#3
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I tried a carb from another buggy but it was used. It had all the same stuff and dimensions so I took the jets out of the stock carb and put it in and it ran great for about 200 yards and then quit running Only difference was that it had a air/fuel screw. So I put the stock carburetor in with the elec choke, diaphram from the other one and that is where I am now.
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#4
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check your gas cap-the vent may be plugged.if you are running clear line you should be
able to see the gas
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olderthan 2008 tomberline punisher 1500 spring 12g sliders 30mm cv pumper carb uni filter no rev cdi polaris xlt snowmobile shocks for front w/550 magnum springs & blaster fronts on rear and another buggy built working on mods gk-13 white spring 17 gram sliders so far |
#5
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Quote:
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09 Joyner Sand Viper 250 08 Joyner Sand Viper 250 2009 Joylaris 400 Screamer http://www.youtube.com/watch?v=eeulR4W1_PU |
#6
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the gas cap doesn't have a vent. When I take the fuel line off and turn the fuel on it flows great. Could it be the float valve not opening enough?
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#7
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all gas caps have vents-and yes the float might not be opening enough or have trash in it
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olderthan 2008 tomberline punisher 1500 spring 12g sliders 30mm cv pumper carb uni filter no rev cdi polaris xlt snowmobile shocks for front w/550 magnum springs & blaster fronts on rear and another buggy built working on mods gk-13 white spring 17 gram sliders so far |
#8
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float bowl and jets are clean as can be, I'm guessing since it idles fine and bogs out at full throttle the float isn't raising high enough or something is restricting it. Or, there is something going on with the float valve its self.
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