PISTON KIT VERTEX 66.4 B YAMAHA YZ/WR 250 99-22 PRO RACE, VERTEX 22645B SINGLE RING
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Vertex UK Piston Kit 22645B. Standard pistons and components are OEM replacements. Kits include piston, rings, wrist pin and circlips. All pistons are heat treated with a T-5 or T-6 hardening and tempering cycle. Replacement rings are sold individually. Made in Italy. Fitted in many OEM bikes as STD. Specification: Bore size 66.40mm [B 66.36mm]. Replacement Parts: Rings 53010006640, Pin 715372, Clips 72074. Cross reference numbers ONLY. Piston (Std) UR RED 1P8-11631-00-A0, Piston (Std) UR ORANGE 1P8-11631-00-B0, Piston (Std) UR PURPLE 1P8-11631-00-D0, Piston (Std) UR GREEN 1P8-11631-00-C0, Piston Ring Set (Std) 5CU-11603-10-00, Pin, Piston 5UP-11633-00-00, Circlip 93450-19052-00.
- SKU
- 22645B
- Brand
- Vertex
- Availability
- In Stock (1)
Fitments (44)
| Make | Model | Year |
|---|---|---|
| YAMAHA | WR 250 | 1999 |
| YAMAHA | WR 250 | 2000 |
| YAMAHA | WR 250 | 2001 |
| YAMAHA | WR 250 | 2002 |
| YAMAHA | WR 250 | 2003 |
| YAMAHA | WR 250 | 2004 |
| YAMAHA | WR 250 | 2005 |
| YAMAHA | WR 250 | 2006 |
| YAMAHA | WR 250 | 2007 |
| YAMAHA | WR 250 | 2008 |
| YAMAHA | WR 250 | 2009 |
| YAMAHA | WR 250 | 2010 |
| YAMAHA | WR 250 | 2011 |
| YAMAHA | WR 250 | 2012 |
| YAMAHA | WR 250 | 2013 |
| YAMAHA | WR 250 | 2014 |
| YAMAHA | WR 250 | 2015 |
| YAMAHA | WR 250 | 2016 |
| YAMAHA | WR 250 | 2017 |
| YAMAHA | WR 250 | 2018 |
| YAMAHA | WR 250 | 2019 |
| YAMAHA | WR 250 | 2020 |
| YAMAHA | YZ 250 | 1999 |
| YAMAHA | YZ 250 | 2000 |
| YAMAHA | YZ 250 | 2001 |
| YAMAHA | YZ 250 | 2002 |
| YAMAHA | YZ 250 | 2003 |
| YAMAHA | YZ 250 | 2004 |
| YAMAHA | YZ 250 | 2005 |
| YAMAHA | YZ 250 | 2006 |
| YAMAHA | YZ 250 | 2007 |
| YAMAHA | YZ 250 | 2008 |
| YAMAHA | YZ 250 | 2009 |
| YAMAHA | YZ 250 | 2010 |
| YAMAHA | YZ 250 | 2011 |
| YAMAHA | YZ 250 | 2012 |
| YAMAHA | YZ 250 | 2013 |
| YAMAHA | YZ 250 | 2014 |
| YAMAHA | YZ 250 | 2015 |
| YAMAHA | YZ 250 | 2016 |
| YAMAHA | YZ 250 | 2017 |
| YAMAHA | YZ 250 | 2018 |
| YAMAHA | YZ 250 | 2019 |
| YAMAHA | YZ 250 | 2020 |
- General Product Group
- Engine
- General Product Type
- Pistons & Kits
- General Size
- 66.4mm
- Variant Id
- 282667
FULL DESCRIPTION
Vertex Single Ring Piston Kit - Pro Race
Enhance your motorcycle's performance with the Vertex Single Ring Piston Kit, designed for Pro Race applications. This kit is an OEM replacement, ensuring a precise fit and reliable operation.
Key Features:
- Complete kit includes piston, rings, wrist pin, and circlips.
- Pistons undergo a T-5 or T-6 hardening and tempering cycle for increased durability.
- Made in Italy to high-quality standards.
- Often fitted as standard equipment on OEM motorcycles.
- Bore Size: 66.40mm (specified as 'B' with a 66.36mm measurement).
Replacement Parts Available Separately:
- Rings: 53010006640
- Pin: 715372
- Clips: 72074
QUESTIONS? JUST ASK
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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
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