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Buell Forum » Knowledge Vault (tech, parts, apparel, & accessories topics) » Engine » Fuel System: EFI/DDFI, Carb., Filter, Pump, Tank, Filler-Cap, Fuel » Seeking advice: carb fart at 2700 rpm. runs fine with enrichener out... « Previous Next »

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Jsunstar
Posted on Sunday, June 26, 2011 - 10:30 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

my newer to me 01 M2 has a bad carb fart at 2700 rpm. whem i pull the enrichener out it stops doing it and runs better...
what gives?

a jet kit was put in by the previous owner cause he put a crappy automotive air cleaner on with an old supertrapp slip on with external disks.
i scrapped all that and put on the complete race kit(AC, FULL EXHAUST and ECM). it runs better than it did but still farts at low RPM with little load.

i didnt wanna go guessing if im gonna take the carb off so ill start here...

any input is appreciated!
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Road_thing
Posted on Monday, June 27, 2011 - 12:34 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

If it runs better with the choke on, that means it's lean. I'd check for intake seal leaks, then if that's not it, pull the carb and clean out the low speed jet. While you're in there, check the float level.

rt
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Pammy
Posted on Monday, June 27, 2011 - 04:09 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Also the previous owner could have torn/pinched the diaphragm on the slide while changing/shimming the needle.
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Pammy
Posted on Monday, June 27, 2011 - 04:09 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Good call Tom...and Happy Birthday!
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Road_thing
Posted on Monday, June 27, 2011 - 05:27 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Thank you, your Pamliness!

rt
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Jsunstar
Posted on Tuesday, June 28, 2011 - 05:59 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Yeah, I was thinking seals as well. Its an easy test too... now to find the time to work on it. ...
thanks for the input!
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