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Old March 1st, 2019, 11:33 AM   #1
1994Ninja250F
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Factory Pro Jet Kit

Hey guys,

I tried emailing this question directly to Factory Pro themselves but didn't get an answer..what exactly comes in their kit?

Curious if they came with different pilot jets also, since I'm wanting to see how a #40 feels with the pod-intake setup I'm running. If not, no big deal I'll just buy those also.
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Old March 1st, 2019, 11:38 AM   #2
Ceeloo Yello
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Mine did not, instructions said it was optional.
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Old March 1st, 2019, 12:11 PM   #3
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call them, 800 number is on their site
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Old March 1st, 2019, 12:45 PM   #4
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#40 would be pilot jet, which affects idle mixtures, not needed with your mods since idle-flow is same.

Main difference, and tiny one at that, is only at high-end, WOT+12000 rpms. To adjust for that, you really need AFR datalogging to know exact RPMs, which way and how much to adjust. Otherwise, you can just use needles with slightly thinner tip. Maybe one size up in main-jet, but that'll affect mid-range as well, where flow won't be different.

Maverick had kit for sale... pictures included.
https://www.ninjette.org/forums/showthread.php?t=324987

Last futzed with by DannoXYZ; March 1st, 2019 at 09:01 PM.
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Old March 1st, 2019, 01:10 PM   #5
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that would keep you busy for awhile, but he posted "sold" Jan 5.
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Old March 1st, 2019, 08:04 PM   #6
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Quote:
Originally Posted by DannoXYZ View Post
#40 would be pilot jet, which affects idle mixtures, not needed with your mods since idle-flow is same.

Main difference, and tiny one at that, is only at high-end, WOT+12000 rpms. To adjust for that, you really need AFR datalogging to know exact RPMs, which way and how much to adjust. Otherwise, you can just use needles with slightly thinner tip. Maybe one size up in main-jet, but that'll affect mid-range as well, where flow won't be different.

Maverick has kit for sale... pictures included.
https://www.ninjette.org/forums/showthread.php?t=324987
i sold it it to another member. sorry
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