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Keihin N424-330 Slow Jet 13mm long x 4.5mm
Keihin

Keihin N424-330 Slow Jet 13mm long x 4.5mm

$25.00
In stock
Size

Quantity

Details

MPN
Manufacturer
Keihin
Subtype
Pilot Jet
Condition
New
Carb Model
FCR-MX
Spec Type
Stock
Use Case
Street
Fits Models
Honda CRF250RHonda CRF450RKawasaki KX250FKawasaki KX450FKawasaki KLX450RSuzuki RM-Z250
Fits Years
2003200620072008

Description

Genuine-style Keihin N424-330 pilot jet for OEM FCR-MX carburetors, used to meter fuel in the idle and low‑throttle circuit for smooth off‑idle response and clean low‑speed running. Select the jet size specified in your service manual or tuning guide to match your engine and modifications.

Specifications

  • Series: N424-330 / N424-33 

  • Overall length: 13.0 mm

  • Head diameter: 4.5 mm

  • Thread diameter: 4.4 mm

  • Application: OEM Keihin FCR‑MX carburetors (slow / pilot jet)

 

Description

Genuine-style Keihin N424-330 pilot jet for OEM FCR-MX carburetors, used to meter fuel in the idle and low‑throttle circuit for smooth off‑idle response and clean low‑speed running. Select the jet size specified in your service manual or tuning guide to match your engine and modifications.

Specifications

  • Series: N424-330 / N424-33 

  • Overall length: 13.0 mm

  • Head diameter: 4.5 mm

  • Thread diameter: 4.4 mm

  • Application: OEM Keihin FCR‑MX carburetors (slow / pilot jet)

 

Notice

Before You Order — Measure Your Jet First

Remove the jet from your carb and physically measure it. If it does not dimensionally match this listing, this is not the correct jet — do not buy it.

Buyer is solely responsible for confirming the correct jet size before purchasing. Do not rely on year/make/model fitment guides — they cannot be guaranteed 100% accurate.

All jet sales are final. No returns or exchanges — no exceptions.