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Old September 21st, 2018, 04:18 PM   #11
Racer x
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Name: Eric
Location: Iowa City
Join Date: May 2009

Motorcycle(s): 2008 Kawmeracchi 350 2010 Project X

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Blog Entries: 54
MOTM - Sep '18, Feb '16
My advice is to just clean up the casting and deshroud the valves. The idea is air velocity moves more air if it is moving faster in a small pipe. Rather than slower in a big pipe. Because we are dealing with a 12000 rpm engine we need fast moving air so big ports are not the best.
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