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Originally Posted by motorboi hi i have a 49cc air cooled cag bike and for the last three weeks it has been running fine unitl the last few days. it runs fine for the first 3 or 4 minutes then once it hit full revs it starts to sputter as if it running out of fuel if u take it bak to half accelaration its fine but if u leave it at full revs the bike stalls. but as soon as u pull the starter it starts fine until u hit full revs agian. any help would be appreciated.  |
I think you just gave yourself the answer;shortage of fuel. make sure hose isnt kinked, fuel filter isn't blocked up. if float is sticking, could limit your fuel availability.if none of these help, maybe the problem is the opposite as in to much fuel for the amount of oxygen getting through your air filter. check the needle and seat aswell for contaminents
These are only my assumptions so better advise might be available shortly
gl
~Haggard~
