EBC Powersports A-BAX Keihin-Style Pilot Jet N424-25 Size 40, 4-Pack

Everyone knows how sensitive an engine is to pilot jets in the acceleration stages from 1000 to 3500 rpm and getting fuel mixture right in this area is critical. For this reason jets have to be perfectly accurate in their marked size and incremental size steps. EBC Brakes sister company A-BAX Precision Engineering Ltd in the UK has purchased the most accurate machine on the planet for this work shown below. A-BAX Precision Engineering Ltd pilot jets are precise, clearly marked and reliably gauged using pin gauges, accurate to one tenth of a thousandth of an inch, you can rely on their accuracy. A-BAX Pilot Jets For Keihin; Measures 5.5mm x 15mm; Size 40; Jet Style N424-25; Pilot/Slow Running Jet; Fits Vehicles Kawasaki / Yamaha [Models w/ CVK/FCR/BD Style Carbs];

• NOTE - The names Mikuni and Keihin are for description purposes only; These are NOT original Mikuni or Keihin jets, simply a high-quality replacement
• Sold in Packs of 4

The EBC Powersports A-BAX Precision Engineering pilot jet is designed to provide accurate fuel metering during the critical low-speed acceleration range from approximately 1,000 to 3,500 rpm. Precise pilot jet sizing helps support consistent throttle response, smooth operation, and proper fuel mixture control on compatible powersports carburetors.

Manufactured by A-BAX Precision Engineering Ltd., an EBC Brakes sister company in the United Kingdom, this pilot jet is produced using precision equipment and reliably gauged with pin gauges accurate to one ten-thousandth of an inch. The jet is clearly marked with its size and built to maintain dependable incremental sizing for carburetor tuning. This replacement component uses the N424-25 jet style and is intended for select Kawasaki and Yamaha applications equipped with CVK, FCR, or BD-style carburetors.

• Important: Mikuni and Keihin are referenced for descriptive and fitment purposes only. This is a high-quality replacement jet and is not an original Mikuni or Keihin part.
• Package Contents: Four size 40 A-BAX pilot jets.
• Fitment: Select Kawasaki and Yamaha vehicles with compatible CVK, FCR, or BD-style carburetors. Verify the original jet style, size, and application before installation.

The EBC Powersports A-BAX pilot jet is suitable for professional service, carburetor rebuilding, and performance tuning where reliable fuel metering and consistent manufacturing accuracy are required. Proper installation and final carburetor adjustment should be performed according to the vehicle manufacturer’s specifications.

Features:

• Precision Fuel Metering: Supports accurate low-speed fuel delivery and mixture control from approximately 1,000 to 3,500 rpm.
• Consistent Manufacturing: Produced by A-BAX Precision Engineering Ltd. using precision equipment and controlled sizing processes.
• Verified Accuracy: Reliably gauged with pin gauges accurate to one ten-thousandth of an inch for dependable jet sizing.
• Compatible Replacement: N424-25 pilot jet style for select Kawasaki and Yamaha vehicles with CVK, FCR, or BD-style carburetors.

Air Freight Prohibited: false
Not Carb Approved: false
Ltl Freight Required: false
Prop 65: Y
Part Type: powersports
Epa: N/A
Carb Acknowledgement Required: false
Regular Stock: t
Units Per Sku: 1