Name: Valve Exhaust YZF250 01-13, 5NL-12121-10-00, 80-80077
Brand: Kibblewhite
SKU: 65-422.KW.SS

Valve Exhaust YZF250 01-13, 5NL-12121-10-00, 80-80077

Kibblewhite
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Description

This exhaust valve is designed as a direct OEM replacement for Yamaha WR and YZ 250F models from 2001 to 2013. Constructed from Black Diamond™ stainless steel and treated with a proprietary nitriding process, it delivers increased wear resistance, reduced friction, and superior durability under high-performance conditions. KPMI recommends pairing this valve with Kibblewhite® lightweight valve spring kits for optimal performance and longevity.

Features

Manufactured from one-piece forged Black Diamond™ stainless steel
Nitrided surface treatment for improved wear resistance and reduced friction
Designed using Finite Element Analysis and flow bench tested for optimal performance
Compatible with Kibblewhite® lightweight valve spring kits

Specifications

Valve Type: Exhaust
Material: Black Diamond™ Stainless
Coating: Black Nitroneg
Quantity: 1
Head Diameter: 24.50 mm / 0.965"
Stem Diameter: 4.5 mm / 0.1758"
Tulip: 25º
Overall Length: 3.070"
Remarks: Standard

Cross-Reference OEM Part Numbers

Kibblewhite 80-80077
PSYCHIC XU-09519E
Vertex 8400005-1
Wiseco VET005
Yamaha 5NL-12121-10-00

Vehicle Fitments

Yamaha WR250F (2001–2013)
Yamaha YZ250F (2001–2013)
2003 WR250F - WR250FR VALVE
2003 YZ250F - YZ250FR VALVE

Vehicle Compatibility

Please check the exact model and year before ordering.

Manufacturer	Model	Years
YAMAHA	WR F 250	2001-2013
YAMAHA	YZ F 250	2001-2013

Valve Exhaust YZF250 01-13, 5NL-12121-10-00, 80-80077

Kibblewhite
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This exhaust valve is designed as a direct OEM replacement for Yamaha WR and YZ 250F models from 2001 to... Read more

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SKU: 65-422.KW.SS

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Description

This exhaust valve is designed as a direct OEM replacement for Yamaha WR and YZ 250F models from 2001 to 2013. Constructed from Black Diamond™ stainless steel and treated with a proprietary nitriding process, it delivers increased wear resistance, reduced friction, and superior durability under high-performance conditions. KPMI recommends pairing this valve with Kibblewhite® lightweight valve spring kits for optimal performance and longevity.

Features

Manufactured from one-piece forged Black Diamond™ stainless steel
Nitrided surface treatment for improved wear resistance and reduced friction
Designed using Finite Element Analysis and flow bench tested for optimal performance
Compatible with Kibblewhite® lightweight valve spring kits

Specifications

Valve Type: Exhaust
Material: Black Diamond™ Stainless
Coating: Black Nitroneg
Quantity: 1
Head Diameter: 24.50 mm / 0.965"
Stem Diameter: 4.5 mm / 0.1758"
Tulip: 25º
Overall Length: 3.070"
Remarks: Standard

Cross-Reference OEM Part Numbers

Kibblewhite 80-80077
PSYCHIC XU-09519E
Vertex 8400005-1
Wiseco VET005
Yamaha 5NL-12121-10-00

Vehicle Fitments

Yamaha WR250F (2001–2013)
Yamaha YZ250F (2001–2013)
2003 WR250F - WR250FR VALVE
2003 YZ250F - YZ250FR VALVE

Vehicle Compatibility

Please check the exact model and year before ordering.

Manufacturer	Model	Years
YAMAHA	WR F 250	2001-2013
YAMAHA	YZ F 250	2001-2013

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.