Thread: Carb woes
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Old January 1st, 2022, 06:14 PM   #33
DannoXYZ
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Name: AKA JacRyann
Location: Mesa, AZ
Join Date: Dec 2011

Motorcycle(s): CB125T CBR250R-MC19 CBR250RR-MC22 NSR350R-MC21 VF500F CBR600RR SFV650 VFR750F R1M ST1300PA Valkyrie-F6C

Posts: A lot.
MOTY - 2018, MOTM - Nov '17
send them to ducatiman for complete restoration.

These bikes ran awesome right off showroom floor. Fact that it doesn't now means carbs aren't factory fresh clean. When they are refurbished to factory-fresh clean, they will run like brand new!

Yours most likely needs deeper cleaning. Compressed air is insufficient, like trying to remove rust with air, not gonna work. One recent case require drilling out choke circuit with micro-bit, dried petrol was so tough, nothing could clear it out! Might be same situation with yours.

You didn't mention scrubbing hidden secret passages with brushes, no ultrasonic soak, no poking with wire, no micro soda-blasting. All those (and more) are needed to restore carbs that have been sitting.

I'ved owned over 6 of these bikes with exact same carbs and they all run perfectly. Except for when they sit for over 3-months without proper prep. Then they'd run like crap after that and would not behave no matter what I did to clean them. Ultimate solution was sending them to ducatiman.

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