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March 27th, 2012, 02:22 PM
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#1 |
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ninjette.org member
Name: matthew
Location: niagara
Join Date: Jul 2011 Motorcycle(s): 2010 250r ninja Posts: 115
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best jetkit?
I am goin to be doing a Full system exhaust (sportisi) and wondering what is the best jetkit. I've hear of "factory pro" which alot i see use and "sportisi (with titanium needles)" kits.. are there more and what do you recommend using or they general all the same?
Thanks |
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March 27th, 2012, 02:37 PM
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#3 |
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ninjette.org member
Name: matthew
Location: niagara
Join Date: Jul 2011 Motorcycle(s): 2010 250r ninja Posts: 115
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from the looks of it, those are individual items.. not kits. Im new to this jetting thing so bare with me. lol
tho appreciate the reply 
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March 27th, 2012, 03:10 PM
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#4 |
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wat
Name: wat
Location: tustin/long beach
Join Date: Sep 2009 Motorcycle(s): wat Posts: Too much.
Blog Entries: 5
MOTM - Oct '12, Feb '14
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heres something most people dont realize. a jet kit is expensive because they are selling it to people who dont know better.
buy individual main jets and pilot jets, adjust your needles with spacers. you will save 80$. you dont need titanium needles with 17 clip positions
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March 27th, 2012, 03:24 PM
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#5 |
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ninjette.org certified postwhore
Name: .
Location: .
Join Date: Feb 2011 Motorcycle(s): . Posts: Too much.
MOTM - Feb '13, Feb '14
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Washers, pilots, and mains. that's it
The needle profile has some effect on its performance, but washers get the job done just fine for saving $$ |
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March 28th, 2012, 01:13 PM
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#6 |
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ninjette.org guru
Name: Solon
Location: Toronto, Ontario
Join Date: Jun 2011 Motorcycle(s): 2011 Kawasaki Ninja 250R (sold), 2007 SV650s (deer wrecked), 2010 Suzuki SV650S Posts: 334
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Aftermarket pilot jets make a difference???
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March 28th, 2012, 01:44 PM
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#7 |
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ninjette.org certified postwhore
Name: .
Location: .
Join Date: Feb 2011 Motorcycle(s): . Posts: Too much.
MOTM - Feb '13, Feb '14
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if they're bigger they'll flow more fuel.
If you've got your mix screws out 3.5 turns or so, you'll want to consider replacing pilot jets with larger ones. |
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March 28th, 2012, 01:52 PM
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#8 | |
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cuz
Name: Israel
Location: Houston (me) Galveston
Join Date: Jul 2011 Motorcycle(s): 09 ninja 250r Posts: A lot.
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Quote:
 thats what it is (virtual bump)
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March 28th, 2012, 02:34 PM
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#9 |
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wat
Name: wat
Location: tustin/long beach
Join Date: Sep 2009 Motorcycle(s): wat Posts: Too much.
Blog Entries: 5
MOTM - Oct '12, Feb '14
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i really am not a carb expert at all, especially on the 250 carbs but on my fzr carbs the "mix screw" controls how much air goes into the pilot mix. the pilot jet controls how much gas goes into the pilot mix. so if you dont have much power down low even if your fuel mix is correct by adjusting the air screws, increasing the pilot jet and retuning the air screws will get more power down low. however i dont know if mikuni and keihin carbs are the same like that.
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March 28th, 2012, 02:47 PM
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#10 | |
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wat
Name: wat
Location: tustin/long beach
Join Date: Sep 2009 Motorcycle(s): wat Posts: Too much.
Blog Entries: 5
MOTM - Oct '12, Feb '14
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Quote:
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