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Old January 13th, 2020, 12:15 PM   #3
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

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MOTY - 2018, MOTM - Nov '17
No exhaust upgrades? That’s where monster power is unleashed (+22%).

With that filter, you’ll gain minimal extra flow. Most intake restriction is not in airbox or filter, but rather in tiny intake ports and mild cam specs. That’s why they went to 98 mains in new-gen from 105 in pre-gens. Largest you’ll want is 96 main, since that will still be too much fuel up top, +15-20% too much.

Search for “clean carbs ducatiman” to see why upsizing jets is mistaken step.
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