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Old August 9th, 2022, 02:20 PM   #18
Baby NinjaRR
ninjette.org member
 
Name: Ken
Location: Portland Or
Join Date: Jul 2022

Motorcycle(s): 2006 Ex250F-RR

Posts: 18
No kidding? This might have something to do with the flat plane crankshaft. I can't remember specifics but some motors benefit form a header collector less than others- V vs inline, even vs odd fire ect.
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