I have a question in titled "Bike will start but stops after a second or two" That will explain the background but in general if the bike will idle but stalls if you try to shut the choke off OR just touch the throttle?
Check fuel flow to carb, if getting free flow to carb the main jet is most likely blocked or the float is stuck. Either one will require removing the carb and cleaning, not difficult but you need to be careful. The hardware is usually soft and will strip easily. You MAY be able to remove the float bowl with the carb still on the bike by loosening the air filter duct clamp and clamps or bolts on the head side, then turning the carb to access the float bowel screws.
Testimonial: "Thanks, I've concluded that I have to clean the carb. I bought a repair manual online last week. I can't find anyplace to buy a rebuild kit but I have found a place that I can buy all of the internal parts. So I'll take it apart and clean everything. If something doesn't look right I can buy the part. It may be easier to just buy the two needles. I also found a place that will manufacture the needles specifically and they claim they work better than the OEM parts. The carb isn't connected to the top of the engine with a gasket, it's connected with a rubber boot. That should make it easier to remove and replace. Oh ya I can buy a new carb for $506, - That's not happening!!"
SOURCE: motor bike wont rev above idle weth choke on
This to me sounds like you need a carb cleaning. If you have let the bike sit for an extended time the carberators maybe clogged or gummed up. This has to do with the new gas that is out there now. It is cheap and with the introduction of Ethanol alcohol now it is even worse on being stable for long periods of time. I have seen fuel go bad in as little as 3 weeks.. One quick check you can do is open you fuel tank and smell the fuel. IF it smells like varnish it is probably bad. You can drain the tank and add new fuel and that should solve your problem. Keep in mind, that the carbs need to be drained as well to get the old fuel out of there also. Make sure you have a battery charger going when you start crankin that puppy, because you will need lots of extra juice to get that baby to fire up. If it is starting now and runs on choke, that means your idle jets are clogged. Best repair is to remove carbs and clean idle jet. Unless it is fuel injected.
Let me know how that goes and we can proceed from this point. I am a certified mechanic from MMI as well as a HDTV GURU. Smiles. have a good one.
SOURCE: wont accelarate
you didnt say if the bike sat up for a while, if it has you have stopped up carbs the bike will run with the choke on but shut off when the choke is off says no fuel going thru the low speed jets clean them by taking the float bowls off and blowing them out with high pressure air
i have a 1996 883 roadster it fires up with the ckoke then cuts out after about ten seconds will start again but cuts out again after ten or so seconds any ideas
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