---
product_id: 48933711
title: "Billet FCR Carburetor Carb Air Fuel Mixture Screw Adjuster for Yamaha YZ250F YZ450F WR250F WR450F YFZ450 YZ426F YZF WRF Dirt Bike ATV Quad(blue)"
brand: "carburetor adjuster screw"
price: "$28"
currency: NZD
in_stock: true
url: https://www.desertcart.nz/products/48933711-billet-fcr-carburetor-carb-air-fuel-mixture-screw-adjuster-yamaha
store_origin: NZ
region: New Zealand
---

# Billet FCR Carburetor Carb Air Fuel Mixture Screw Adjuster for Yamaha YZ250F YZ450F WR250F WR450F YFZ450 YZ426F YZF WRF Dirt Bike ATV Quad(blue)

**Brand:** carburetor adjuster screw
**Price:** $28
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** Billet FCR Carburetor Carb Air Fuel Mixture Screw Adjuster for Yamaha YZ250F YZ450F WR250F WR450F YFZ450 YZ426F YZF WRF Dirt Bike ATV Quad(blue) by carburetor adjuster screw
- **How much does it cost?** $28 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nz](https://www.desertcart.nz/products/48933711-billet-fcr-carburetor-carb-air-fuel-mixture-screw-adjuster-yamaha)

## Best For

- carburetor adjuster screw enthusiasts

## Why This Product

- Trusted carburetor adjuster screw brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Description

External Testing Certification:ISO9000 Item Height:5.6 cm Item Weight:0.01 kg Item Diameter:0.058 cm AIR FUEL MIXTURE ADJUST SCREW FOR kEHIN CARB SOLD WITH SPRING AND O SEAL Fits newer 2nd Edition Keihin Pumper Carburetors (' FCR '). (Does not fit YZ400F of WR400F) YZ426F WR426F YZ250F WR250F YZ450F WR450F YFZ450 Racing quad CRF150R CRF150RB CRF450R CRF450X CRF250R CRF250X TRX450R KX250F KX450F KLX450F RMZ250 RMZ450 03 and newer KTM 'RFS' 4-strokes - 450 and 525. KTM 250SX-F 05+ KTM 250XCW 05+ KTM 450SXF 03+ KTM 520 SXF 03+ It will not fit 02 and older KTM 400 and 520 bikes. Might fit other models.

## Features

- Gorgeous Anodized Surface And CNC Machined
- Material: 6061-T6 Aluminum
- Sold With Spring
- an O-ring design to resist engine vibration and increases accuracy amd longevity
- Adjust air fuel mixture with this screw easily ,instead of urgly,and hard to adjust(you should use tools to adjust) stock one

## Images

![Billet FCR Carburetor Carb Air Fuel Mixture Screw Adjuster for Yamaha YZ250F YZ450F WR250F WR450F YFZ450 YZ426F YZF WRF Dirt Bike ATV Quad(blue) - Image 1](https://images-eu.ssl-images-amazon.com/images/I/310M74JlEXL.jpg)
![Billet FCR Carburetor Carb Air Fuel Mixture Screw Adjuster for Yamaha YZ250F YZ450F WR250F WR450F YFZ450 YZ426F YZF WRF Dirt Bike ATV Quad(blue) - Image 2](https://images-eu.ssl-images-amazon.com/images/I/31LoCduLD5L.jpg)
![Billet FCR Carburetor Carb Air Fuel Mixture Screw Adjuster for Yamaha YZ250F YZ450F WR250F WR450F YFZ450 YZ426F YZF WRF Dirt Bike ATV Quad(blue) - Image 3](https://images-eu.ssl-images-amazon.com/images/I/31ythBvOqYL.jpg)

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**Shop now:** [https://www.desertcart.nz/products/48933711-billet-fcr-carburetor-carb-air-fuel-mixture-screw-adjuster-yamaha](https://www.desertcart.nz/products/48933711-billet-fcr-carburetor-carb-air-fuel-mixture-screw-adjuster-yamaha)

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*Product available on Desertcart New Zealand*
*Store origin: NZ*
*Last updated: 2026-01-26*