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choneofakind · January 13th, 2013, 01:27 PM

Last time I looked into that, I just used some of the online calculators. I came up with numbers that were everywhere from 8 inches to 11 inches... I understand the basic physics behind the resonance that you're trying to achieve by tuning the intake length from my phsyics lab and some thinking, but I'm not sure on the exact length that we need.

I also measured the distance from the end of my intake to where I think the valves are and it turned out to be 10.something inches? Sorry I'm not much help. I wrote it down somewhere and can't remember where

I might experiment with it later, but I have more important things to figure out first, like my fuel map and my ignition timing map. After those is tuning the intake length. BTH, I'm not sure how of an effect that will really have on the little ninjette though...

January 13th, 2013, 01:27 PM	#3
choneofakind ninjette.org certified postwhore Name: . Location: . Join Date: Feb 2011 Motorcycle(s): . Posts: Too much. MOTM - Feb '13, Feb '14	Last time I looked into that, I just used some of the online calculators. I came up with numbers that were everywhere from 8 inches to 11 inches... I understand the basic physics behind the resonance that you're trying to achieve by tuning the intake length from my phsyics lab and some thinking, but I'm not sure on the exact length that we need. I also measured the distance from the end of my intake to where I think the valves are and it turned out to be 10.something inches? Sorry I'm not much help. I wrote it down somewhere and can't remember where I might experiment with it later, but I have more important things to figure out first, like my fuel map and my ignition timing map. After those is tuning the intake length. BTH, I'm not sure how of an effect that will really have on the little ninjette though...