Question about Motorcycles
Will run while choke is on but once i let go it stalls
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Posted on Jan 02, 2017
SOURCE: hey. i have a 250cc
The carb choke is a restriction in the air flow before the point where fuel is added to the air flow. When you set the choke, the throttle plate becomes the air restriction because the "mini" carb system feeds rich air/fuel mix in front (engine side) of the throttle plate. If you set the choke and open the throttle, the "choke" becomes ineffective...Hope this answers your question.
Posted on Jul 12, 2011
hi buddy on carb is a mixture air screw fiddle with this till it runs if it doesnt i have another plan buddy get back to me with results
Posted on Oct 12, 2009
sounds like a vacum leak. get a can of wd-40 and spray all around the carbs when the motor revs up thats the source of the leak. fix or replace that part and ride into the sunset.
Posted on Aug 14, 2010
SOURCE: Just rebuilt the carbs and
You seem to have done well rebuilding the carb. There are two jets in the carb, one each for the air and gas. These need adjustment and thats all. There is no need to pull the choke. It only floods the carb.
Posted on Oct 18, 2010
Too much air or not enough fuel...Probably not enough fuel. Make sure the fuel flows freely from tank to carbs. Crack the screws on the bowls to make sure fuel flows out. If the bike was running and this started to happen I would suspect foreign matter in the float bowls (carb cleaning time)....if it was more of a problem after a period of storage then I would suspect varnish is clogging one or more of the circuits in the carb(s)....(carb cleaning time).
Some folks have good success with additives such a seafoam for instance...supposed to dissolve varnish. It does work but not every time.
Could be many things....more detail in the question could help.
Posted on Dec 07, 2010
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