High idle - Honda Rebel Forum
 
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post #1 of 3 Old 04-07-2019, 12:37 AM Thread Starter
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High idle

So i bought a 07 honda rebel 250 it needed a carburetor clean and rebuild which i did and it started to run but at high idle i tried to mess with the idle screw and when i did gas started to come out of the vent line i am a new honda rebel owner and i just need some advice plz help
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post #2 of 3 Old 04-07-2019, 05:18 PM
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Welcome. The vent line you are referring to, is that the carb overflow (top nipple on the carb), or somewhere else? So the gas only comes out when adjusting the idle screw? Are you referring to part number 10 in this diagram as the idle screw? https://www.cheapcycleparts.com/oemp...31c/carburetor

All the idle screw does is advace or retard the throttle. Are you sure it's not leaking at times when the idle screw isn't being adjusted?

Did you replace the bowl gasket on the carb when you cleaned it? What about the float valve, was it replaced or not?

Keepin' all the left over parts. Gonna use 'em to build another bike!

'01 & '09 Rebel 250, '06 Ninja 250, '89 VN 750
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post #3 of 3 Old 04-08-2019, 11:09 AM
 
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Just a wild guess you meant gas came out under the bike out the vent/drain line? if so I'd suspect the float was stuck open.


idle mix and idle stop start positions diagram attached, you need a tachometer to dial the idle-mix to find the just-max-rpm position and then set the idle-stop for 1400rpm.
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File Type: jpg carb start positions.jpg (142.4 KB, 3 views)

2009 Honda Rebel 250
"The bravest thing for me to do is admit when I am wrong" - unknown
HRF Answer #1 You should take the MSF Rider Course
HRF Answer #2 You need to clean your carburetor
HRF Answer #3 Sorry we assumed if you didn't say otherwise
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