Name: Valve Exhaust YZ250F 14-18, Kibblewhite 80-80916
Brand: Kibblewhite
SKU: 65-5014.KW.SS

Valve Exhaust YZ250F 14-18, Kibblewhite 80-80916

Kibblewhite
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Description

This Black Diamond™ Stainless Steel Exhaust Valve is designed for Yamaha® YZ™ 250F (2014–2018), WR™ 250F, and YZ™ 250FX (2014–2019) models. Precision engineered from a one-piece forging, it features a black nitrided surface treatment for superior wear resistance and reduced friction. Each valve undergoes advanced design and testing processes to ensure consistent flow performance and durability. Installation requires the use of KPMI® Spring Kit #80-81400.

Features

Manufactured from Black Diamond™ Stainless Steel
Black nitrided coating for enhanced wear and corrosion resistance
One-piece forging for strength and longevity
Designed using Finite Element Analysis (FEA)
Flow-tested profiles for optimised exhaust efficiency
Requires use of KPMI® Spring Kit #80-81400

Specifications

Head Diameter: 25.00mm / 0.984"
Stem Diameter: 4.5mm / 0.1760"
Tulip Angle: 30 degrees
Overall Length (OL): 82.30mm / 3.240"
Standard size.

Vehicle Fitments

Yamaha YZ 250F 2014–2018
Yamaha WR 250F 2014–2019
Yamaha YZ 250FX 2014–2019

Vehicle Compatibility

Please check the exact model and year before ordering.

Manufacturer	Model	Years
YAMAHA	YZ FX 250	2015-2019
YAMAHA	YZ FX 250	2020-2021
YAMAHA	YZ F 250	2014-2018
YAMAHA	WR F 250	2020-2021
YAMAHA	YZ F 250	2019-2021
YAMAHA	WR F 250	2015-2019
YAMAHA	WR F 250	2014-2018
YAMAHA	YZ FX 250	2014-2018

Valve Exhaust YZ250F 14-18, Kibblewhite 80-80916

Kibblewhite
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Product form

This Black Diamond™ Stainless Steel Exhaust Valve is designed for Yamaha® YZ™ 250F (2014–2018), WR™ 250F, and YZ™ 250FX (2014–2019)... Read more

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SKU: 65-5014.KW.SS

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Description

This Black Diamond™ Stainless Steel Exhaust Valve is designed for Yamaha® YZ™ 250F (2014–2018), WR™ 250F, and YZ™ 250FX (2014–2019) models. Precision engineered from a one-piece forging, it features a black nitrided surface treatment for superior wear resistance and reduced friction. Each valve undergoes advanced design and testing processes to ensure consistent flow performance and durability. Installation requires the use of KPMI® Spring Kit #80-81400.

Features

Manufactured from Black Diamond™ Stainless Steel
Black nitrided coating for enhanced wear and corrosion resistance
One-piece forging for strength and longevity
Designed using Finite Element Analysis (FEA)
Flow-tested profiles for optimised exhaust efficiency
Requires use of KPMI® Spring Kit #80-81400

Specifications

Head Diameter: 25.00mm / 0.984"
Stem Diameter: 4.5mm / 0.1760"
Tulip Angle: 30 degrees
Overall Length (OL): 82.30mm / 3.240"
Standard size.

Vehicle Fitments

Yamaha YZ 250F 2014–2018
Yamaha WR 250F 2014–2019
Yamaha YZ 250FX 2014–2019

Vehicle Compatibility

Please check the exact model and year before ordering.

Manufacturer	Model	Years
YAMAHA	YZ FX 250	2015-2019
YAMAHA	YZ FX 250	2020-2021
YAMAHA	YZ F 250	2014-2018
YAMAHA	WR F 250	2020-2021
YAMAHA	YZ F 250	2019-2021
YAMAHA	WR F 250	2015-2019
YAMAHA	WR F 250	2014-2018
YAMAHA	YZ FX 250	2014-2018

Shipping & Delivery

How long will my item take to arrive?

Orders are typically dispatched within 1 working day and are shipped on a 24hour (non-guaranteed) service.

Where do you ship to?

We currently only ship orders within the UK.

How can I track my order?

Once your order has been dispatched, you will receive a tracking code. Tracking information is emailed to the email address that was provided when placing the order.

Can I collect my order?

Unfortunately we do not offer order collections from our fulfilment centre.