PISTON KIT VERTEX 81.0 C HONDA CRF 250 R/X 04-17, VERTEX 23535C OS +3.00 BIG BORE COMPR 13,0:1
4.1 Trustpilot 99.9% positive on eBay
Free UK delivery 2–4 business days
Spread the cost with 18+, T&Cs apply
Vertex UK Piston Kit 23535C with a compression ratio of 13.0:1. All Vertex Pistons 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 standard. Bore size is 81mm BIG BORE +3.00mm [C 80.96mm]. Replacement parts: Rings 590281000001 SET, Pin 715380, Clips 72055. Cross reference numbers: RING SET, PISTON (STD) 13011-KRN-850, PISTON 13101-KRN-850, PIN, PISTON 13111-KRN-850, CLIP, PISTON PIN (16MM) 13115-KM7-700.
- SKU
- 23535C
- Brand
- Vertex
- Availability
- In Stock (5)
Fitments (20)
| Make | Model | Year |
|---|---|---|
| HONDA | CRF 250R | 2004 |
| HONDA | CRF 250R | 2005 |
| HONDA | CRF 250R | 2006 |
| HONDA | CRF 250R | 2007 |
| HONDA | CRF 250R | 2008 |
| HONDA | CRF 250R | 2009 |
| HONDA | CRF 250X | 2004 |
| HONDA | CRF 250X | 2005 |
| HONDA | CRF 250X | 2006 |
| HONDA | CRF 250X | 2007 |
| HONDA | CRF 250X | 2008 |
| HONDA | CRF 250X | 2009 |
| HONDA | CRF 250X | 2010 |
| HONDA | CRF 250X | 2011 |
| HONDA | CRF 250X | 2012 |
| HONDA | CRF 250X | 2013 |
| HONDA | CRF 250X | 2014 |
| HONDA | CRF 250X | 2015 |
| HONDA | CRF 250X | 2016 |
| HONDA | CRF 250X | 2017 |
- General Product Group
- Engine
- General Product Type
- Pistons & Kits
- General Size
- 81mm
- Variant Id
- 281453
FULL DESCRIPTION
Vertex Big Bore Piston Kit 81.0mm - 13.0:1 Compression
This Vertex piston kit is designed to replace or upgrade your existing piston, offering a big bore configuration for increased displacement and performance.
Key Features:
- Big Bore Size: 81.0mm bore size, with an actual measurement of 80.96mm. This represents a +3.00mm increase over standard.
- High Compression Ratio: Features a 13.0:1 compression ratio for enhanced power output.
- Complete Kit: Includes piston, rings, wrist pin, and circlips for a comprehensive replacement.
- Premium Materials and Construction: All Vertex pistons undergo a T-5 or T-6 hardening and tempering cycle for superior durability.
- OEM Quality: Vertex pistons are fitted as standard equipment on many Original Equipment Manufacturer (OEM) motorcycles.
- Made in Italy: Manufactured with Italian engineering and quality.
Specifications:
- Bore Size: 81.0mm (Big Bore +3.00mm)
- Compression Ratio: 13.0:1
Replacement Parts Available Separately:
- Rings: 590281000001 SET
- Pin: 715380
- Clips: 72055
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.


