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Old September 24th, 2019, 05:45 AM   #2
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
Can’t use 250 carbs because:

- venturi needs to flow twice as much air
- jets have to deliver twice as much petrol
- spacing is wider on 500 engine


With spacers and flat bar-stock, you don’t have to cut & weld 250 frame...
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