VALVE INTAKE YZ250F 14-18, KIBBLEWHITE 80-80912
4.1 Trustpilot 99.9% positive on eBay
UK delivery £4.99, free over £60 2–4 business days
Spread the cost with 
18+, T&Cs apply
This Black Diamond stainless steel intake valve is manufactured from a one-piece forging and features a black nitrided coating for enhanced surface hardness, reduced friction, and superior resistance to wear and corrosion. Developed with Finite Element Analysis and tested on flow benches, this valve ensures efficient intake performance. Installation requires KPMI spring kit #80-81400. Features include Black Diamond stainless steel construction, black nitrided coating for improved wear resistance and reduced friction, one-piece forging for strength and reliability, Finite Element Analysis design, and flow-optimised profiles tested on a computerised flow bench. Specifications include a head diameter of 31.00mm, stem diameter of 5.0mm, a tulip angle of 18 degrees, and an overall length of 82.93mm. This is a standard size valve. Kibblewhite part number 80-80912.
- SKU
- 65-5015.KW.SS
- Brand
- Kibblewhite
- Availability
- In Stock (3)
Fitments (17)
| Make | Model | Year |
|---|---|---|
| YAMAHA | WR 250F | 2014 |
| YAMAHA | WR 250F | 2015 |
| YAMAHA | WR 250F | 2016 |
| YAMAHA | WR 250F | 2017 |
| YAMAHA | WR 250F | 2018 |
| YAMAHA | WR 250F | 2019 |
| YAMAHA | YZ 250F | 2014 |
| YAMAHA | YZ 250F | 2015 |
| YAMAHA | YZ 250F | 2016 |
| YAMAHA | YZ 250F | 2017 |
| YAMAHA | YZ 250F | 2018 |
| YAMAHA | YZ 250FX | 2014 |
| YAMAHA | YZ 250FX | 2015 |
| YAMAHA | YZ 250FX | 2016 |
| YAMAHA | YZ 250FX | 2017 |
| YAMAHA | YZ 250FX | 2018 |
| YAMAHA | YZ 250FX | 2019 |
- General Product Group
- Cam & Valvetrain
- General Product Type
- Valve - Intake
- Variant Id
- 292865
FULL DESCRIPTION
Kibblewhite Black Diamond Stainless Steel Intake Valve
Enhance the performance and durability of your motorcycle's engine with this precision-engineered Black Diamond™ Stainless Steel Intake Valve from Kibblewhite. Constructed from a robust one-piece forging, this valve is designed for superior strength and reliability.
Key Features:
- Premium Material: Manufactured from high-quality Black Diamond™ Stainless Steel for exceptional performance.
- Advanced Coating: Features a black nitrided coating that significantly improves surface hardness, reduces friction, and provides excellent resistance to wear and corrosion.
- Optimized Design: Developed using Finite Element Analysis (FEA) and tested on flow benches to ensure optimal intake efficiency and performance.
- Durable Construction: Built as a one-piece forging, offering enhanced strength and longevity under demanding conditions.
- Specifications: Head Diameter measures 31.00mm (1.220"), Stem Diameter is 5.0mm (0.1962"), Tulip Angle is 18 degrees, and Overall Length (OL) is 82.93mm (3.265"). This is a standard size valve.
- Required Component: Installation necessitates the use of KPMI® Spring Kit #80-81400.
This intake valve is an essential upgrade for riders seeking improved engine response and lasting reliability.
QUESTIONS? JUST ASK
Talk to John or Phil. Real people, Monday to Friday, 10:00 to 17:00.
Check the fitment table on this page against your make, model and year. Not sure? Call or email us and we will check it for you before you order.
UK delivery is £4.99, or free on orders over £60. Orders ship within 3 working days, then delivery takes 2–4 business days. Delivery details
Yes. You have 14 days from delivery to return it, unused and in its original packaging. Contact us first and we will send you the return instructions. Returns policy
By card, PayPal, Apple Pay or Google Pay, or spread the cost with Klarna. Payment is taken securely by Stripe, and the options for your order are shown at checkout.
More answers in our FAQ.
Trade pricing available
Buying parts for your business? Apply for a 2BrosParts trade account.