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Keihin Main Air Jet N424-14
Keihin

Keihin Main Air Jet N424-14

$27.50
In stock
Size

Quantity

Details

MPN
Manufacturer
Keihin
Subtype
Main Air Jet
Condition
New
Carb Model
CR-Special
Spec Type
Stock
Use Case
Street

Description

Keihin N424-14 main air jet, used in Keihin CR-series smoothbore carburetors to regulate airflow through the main air circuit, working alongside the main fuel jet to fine-tune the air/fuel mixture at higher throttle openings.

Unlike a main fuel jet, this component controls air rather than fuel delivery, so selecting the correct size affects mid-to-high RPM mixture and throttle response rather than fuel flow directly.

Specifications:

  • Overall Length: 22.0 mm

  • Body Diameter: 5.5 mm

  • Thread Diameter: 4.9 mm

Description

Keihin N424-14 main air jet, used in Keihin CR-series smoothbore carburetors to regulate airflow through the main air circuit, working alongside the main fuel jet to fine-tune the air/fuel mixture at higher throttle openings.

Unlike a main fuel jet, this component controls air rather than fuel delivery, so selecting the correct size affects mid-to-high RPM mixture and throttle response rather than fuel flow directly.

Specifications:

  • Overall Length: 22.0 mm

  • Body Diameter: 5.5 mm

  • Thread Diameter: 4.9 mm

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.