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Old June 21st, 2023, 10:14 AM   #165
Shafer
ninjette.org member
 
Name: Jay
Location: Nh
Join Date: Aug 2022

Motorcycle(s): 07 Ninja ex250 blue and 07 Ninja black

Posts: 133
YEAR: 2007

INTAKE MODIFICATIONS: KN KA-2586

EXHAUST MODIFICATIONS: Cobra F1

JET KIT OR STOCK? Jet Kit

BRAND OF JET KIT? Dynojet

MAIN JET: DJ098

NEEDLE AND CLIP POSITION: 5

MIXTURE SCREW SETTINGS: 3 / 3 turns out

ELEVATION: 100-1000'

MISCELLANEOUS INFORMATION ABOUT YOUR BIKE’S JETTING SETUP:

---Plugs: NGK 7669/CR8HIX Iridium Gap 0.32" (probably going to try .035")
---Thermo Bob / engine ice
---Ninja 300 clutch - oem plates - Barrnet springs
---Rotella T6 5w-30 - K&N 401 filter
---Idle speed - 1350
---Floats - 17mm
---Range: 189-200 on primary
---15k on the odometer



*Dynojet instructions for Stage 1 with K&N drop I filter with stock airbox and high flow slip ons calls for needle clip postion 4.

I found that I had slight lean surges while cruising in 5/6 gear at 1/2-3/4 throttle. 5th clip postion cured that surge and the bike came alive and is extremely fast now for a pregen.

Rips all the way to redline, instant throttle response, and engine is smooth as glass cruising.
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