Question about Motorcycles
It sounds like you may have some water in the gas ,and now some of it is trapped in the carburator bowl ,after running a short distance the water mixes in the gas from the vibration , on the bottom of the carburator there is a drain plug ,remove it ,and catch some of the gas in a clear jar ,let it set for awhile and youll probally see the water and gas seprate in the jar ...good luck. p.s. i have used clear rubbing alcohol in the gas to delute the water and made it burn through the system about .....about 4 oz for this problem..
Posted on Nov 28, 2013
You may have a blocked filler cap vent. Loosen the cap enough to allow air in, but not spill any fuel and try it. If it works then you definitely have a blocked vent. Replace or clean if possible
Posted on Nov 28, 2013
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Posted on Jan 02, 2017
SOURCE: cbr 125 choke problem
It sounds like the choke line may not have been routed correctly when the new one was installed. Remove the gas tank and check to see that the line is not being stretched anywhere along the way AND that the gas tank when re-installed is not stretching the line. The line may have been kinked when installed. Look at the mechanical movement of the choke at the carb. Does it operate freely? Remove the air filter and look inside the center of the carb, (you may need to use a small mirror for this), does it look like the choke is opening and closing properly when the choke is moved on and off?
Posted on Mar 14, 2009
I have a supermagna and used fuel stablizer once and it wasnt fit it gummed my carbs up,ive cleaned mine often and it isnt rocket science,remove the tank airbox assembly,loosen up the boot flanges that hook the carbs to the motor(ones on carb)then remove the carbs,then the cables,choke and throttle,do not remove carbs from assembly(leave all 4 together)remove the bottoms and tops of a carb,removefloat and jet,then remove all the brass jets and clean them so you can see through holes,,blow out all the holes in carbs,and reasemble,works for me every time,about two hours to do,good luck
Posted on Apr 05, 2009
Sounds like your flooding it out with the choke out. Try the next time you go to start the bike when it's cold with the choke out and when it starts push the choke all the way in and keep it running with the throtle. If it runs better after doing this then your flooding it on start up. Use 1/2 choke to start cold and see what it does. Good Luck
Posted on Sep 29, 2009
where the valves set cold or hot? could make the world of a difference...is there intake leaks? bad floats perhaps....its a problem that will take some time cancelling out problem by problem
Posted on Oct 09, 2009
sounds to me the valves are not properly adjusted,..like their to tight,...i had run into this in a japanese car once,...check it out and let me know,.....cracklin joe
Posted on Jan 10, 2010
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