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Yamaha YFZ450, WR450F, YZ450F Air Fuel Mixture Screw (2003-2023)
Description:
Enhance your Yamaha's performance with the Air Fuel Mixture Screw, designed specifically for YFZ450, WR450F, and YZ450F models from 2003 to 2023. This precision-engineered component optimizes air-fuel mixture for improved throttle response and overall engine efficiency. Perfect for riders seeking enhanced performance and reliability, this screw ensures your engine runs smoothly under various conditions.
Features:
- Direct fit for Yamaha YFZ450, WR450F, and YZ450F models from 2003-2023
- Includes O-ring and spring for easy installation
- Improves fuel efficiency and throttle response
- Ideal for both recreational and competitive riding
- Durable construction for long-lasting performance
Includes:
- 1 x Air Fuel Mixture Screw
- 1 x O-ring
- 1 x Spring
Fits Models:
- Yamaha YFZ450
- Yamaha WR450F
- Yamaha YZ450F
Submodels:
- YFZ450R
- YFZ450X
- WR450F (various trims)
- YZ450F (various trims)
Engine Options:
- 449cc Liquid-Cooled 4-Stroke Engine
Air Fuel Mixture Screw for Yamaha YFZ450, WR450F, YZ450F (2003-2023)
Model Years: 2003 - 2023
Upgrade your Yamaha with this essential Air Fuel Mixture Screw and experience the difference in performance and efficiency!
Shipping Information
Most orders land in 5–12 business days. We'll keep you updated at every step of the journey.
The Kren Bits journey:
- Order received — Day 0
- With fulfilment — Day 1–2
- Heading to courier — Day 2–4
- Shipped — Day 3–7
- Almost there — Day 5–10
- Delivered — Day 5–14
Where your part ships from:
Your order ships from the closest warehouse with available stock across our six-warehouse network — NZ, AU, TH, UK, US, and CN.
We email you at every real milestone — order received, with fulfilment, heading to courier, shipped, almost there, delivered. No chasing, no vague waits.
For more details, visit our Track Your Order page.
Product Enquiry
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