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Discussion Starter #1 (Edited)
My friend has a 2001 660. We are installing a full exhaust and a k&n air filter, and gonna be running it without the lid. What jetting should we be putting in, i'm guessing 155/160 or 160/165? And i'm thinking 4th clip position down on the needle? And I also will be installing 25 pilots. Also how many turns out on the fuel screw. Not too sure on the altitude here but we are in Killeen, TX 76543.
 

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I am unique
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My friend has a 2001 660. We are installing a full exhaust and a k&n air filter, and gonna be running it without the lid. What jetting should we be putting in, i'm guessing 155/160 or 160/165? And i'm thinking 4th clip position down on the needle? And I also will be installing 25 pilots. Also how many turns out on the fuel screw. Not too sure on the altitude here but we are in Killeen, TX 76543.
You are close with the jetting but what kind of needles are you going to use, aftermarket is a must.............
 

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Discussion Starter #3
You are close with the jetting but what kind of needles are you going to use, aftermarket is a must.............
Yes they are aftermarket. What do you think on the fuel screw turn out , maybe 2 1/2 turns or a full 3? And do you think I should start with the 155/160 or just go ahead and do the 160/165?
 

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Master of the Electron
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start with 160L/165R
 
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