Need some 2stroke carb help

motardchris
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motardchris
I have an rm250 that won't rev out on the top end. I know it's not the jets themselves that are wrong. I've changed the stator and CDI and still no dice.
Today I ran the bike with the airbox off and noticed it shooting fuel out the back of the carb towards the airbox. Any ideas on what would cause that to happen?
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Paw Paw 271
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Paw Paw 271 12/1/2017 6:57pm
12/1/2017 6:57pm
Sounds like you may have a carb problem. Remove, clean and reset the float height. Also check your reeds.

Paw Paw
dirtmike86
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dirtmike86 12/1/2017 7:22pm
12/1/2017 7:22pm Edited Date/Time 12/1/2017 7:23pm
Try what Paw paw said and if that dont work check the powervalve. Check your silencer packing too.
ktm-5
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ktm-5 12/1/2017 8:33pm
12/1/2017 8:33pm
dirtmike86 wrote:
Try what Paw paw said and if that dont work check the powervalve. Check your silencer packing too.
X2
BobPA
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BobPA 12/1/2017 9:06pm
12/1/2017 9:06pm
Transmission side crank seal will cause this too

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SLOWTIME
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SLOWTIME 12/1/2017 10:24pm
12/1/2017 10:24pm
Did this just all of a sudden happen?.. or did you have the carb off prior to the rev problem? I left a bag in my reed cage before and had the same symptoms.
motardchris
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motardchris 12/13/2017 12:04pm
12/13/2017 12:04pm
It's been awhile but I got the problem figured out. The vforce reed block fell apart and put everything out of wack.
Thanks for all the help guys!

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