Pilot Jet - Keihin - N424-21 Type - #38 to #55 - Genuine
- Color/Finish: Natural
- Material: Brass
- Dimensions:
- Length: 28mm
- Head Diameter: 4.9mm
- Thread/Body Diameter: 5mm
- Sizes Available: #38-#55 (Please Select Desired Size Below)
- OEM Ref: N424-21
- Fits: Keihin FCR / PJ / PWK / PE / PWM Series Carbs
- Notes:
- Sold Individually (Please Select Desired QTY Below)
- Does Not Fit:
- Fuel injected models
- Mikuni equipped models that use BS VM or BSR jets
In stock
Part
N424-21-G
Pick up those pilot slow jets you need for your Keihin carbs here Genuine Keihin N424-21 type
Sizes Available:
- #38
- #40
- #42
- #45
- #48
- #50
- #52
- #55
Carb Family:
- Keihin FCR
- Keihin FCR-MX
- Keihin PJ
- Keihin PWK
- Keihin PE
- Keihin PWM
Does Not Fit Stock:
- Most Yamaha street models XS650 / XS1100 / RD two strokes and others use Mikuni BS or VM series not Keihin pilots
- Kawasaki KZ street bikes used Mikuni BS series from the factory
- Suzuki GS GSX GSF air cooled fours used Mikuni BS or BSR series
Fits the Following Honda Models — Common Applications:
- XR250R 1981-1990 and 1996-2004 Keihin PD or PE
- XR400R 1996-2004 Keihin PDK or PE
- XR600R 1985-2000 dual Keihin or PE 40mm
- XR650R 2000-2007 Keihin PE 40mm semi flatslide
- XR650L 1993-present Keihin CV or PD variants
- CRF250R 2004-2009 Keihin FCR-MX 37
- CRF250X 2004-2017 Keihin FCR-MX 37
- CRF450R 2002-2008 Keihin FCR 40
- CRF450X 2005-2017 Keihin FCR 40
Fits the Following Kawasaki Models (Common Applications):
- KLR250 1985-2005 Keihin CVK34
- KLR650 1987-2018 Keihin CVK40
- KLX250R 1993-1996 Keihin CVK34
- KLX300R 1997-2007 Keihin CVK34
- KLX250S or SF 2006-2014 Keihin CVK34
- KLX650R or KLX650C 1993-1996 Keihin CVK40
- KL250 Super Sherpa 1997-2010 Keihin CVK34
- Ninja 250R or EX250 1988-2012 Keihin CVK30
- Ninja 500R or EX500 1987-2009 Keihin CVK34
Fits the Following Suzuki Models — Common Applications:
- LT-V700F Twin Peaks 700 4x4 2004-2005 Keihin CVKR-D dual carbs
- DR-Z400E 2000-2007 Keihin FCR39 slant uses N424-21 for pilot fuel circuit
- DR-Z400S or SM 2000-2024 various years equipped with Keihin FCR or CVK depending on market
- RM-Z250 2004-2009 Keihin FCR-MX 37
- RM-Z450 2005-2007 Keihin FCR 40
Fits the Following KTM Models — Common Applications:
- 250 SXF 2005-2012 Keihin FCR-MX 37
- 450 SXF 2003-2012 Keihin FCR-MX 39 or 41
- 525 SX or MXC or EXC early 2000s Keihin FCR39 slant
- 250 EXC-F 2007-2016 Keihin FCR-MX 37
- 450 EXC-F and 500 EXC-F early carb models with Keihin FCR 39 or 41
Is Japanese Universal Part: No
Is European Universal Part: No
Is American Universal Part: No
OEM Number(s): N/A
Motorcycle Fitment: N/A

