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Old September 13th, 2019, 08:09 PM   #17
DannoXYZ
ninjette.org certified postwhore
 
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
Quote:
Originally Posted by cveilleux88 View Post
symtoms: starts no problem without choke, even cold.
bogs down(not sputter) under throttle at low rpm. acting like too much fuel maybe?
Too little fuel. Because fuel-circuits are clogged with dried petrol varnish (plastic). Needs thorough carb-cleaning with scrubbing & flossing. Soak in ultrasonic cleaners using caustic radioactive solvents (think Robocop scene). Micro soda-blasting @ 100000psi. The idea is to refurbish the carbs back to factory-fresh condition so bike will run like it just left show-room floor. Need to disassemble carbs to this level and beyond (still stuff that can be broken down further).



Search for "clean carbs ducatiman" to see examples of clogged carbs and what needs to be done.
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