Page structure information

About 2Bros Parts

2Bros Parts (2brosparts.com) is the online retail storefront of 2BROS MCS LTD (UK company no. 16176735, VAT no. GB 508324506). Sells motorcycle and powersports parts worldwide from the UK. Email: info@2brosparts.com. Phone: +44 330 133 3748.

Prefer Markdown? Most pages have a .md version

Static pages (about, contact, policies) and every product page are available as clean Markdown.

Append .md to most URLs — e.g. https://www.2brosparts.com/about.md
Send Accept: text/markdown on any page request (content negotiation per RFC 9110)
Fetch directly via the Markdown API — e.g. https://www.2brosparts.com/api/markdown/about, https://www.2brosparts.com/api/markdown/products/[slug]
Site overview: https://www.2brosparts.com/llms.txt

Agent API: plain GET paths, no query strings

Start at https://www.2brosparts.com/api/agent. Search with https://www.2brosparts.com/api/agent/search/GB/brake+pads (words joined with +, swap GB for the shopper's country). Tyres by size: https://www.2brosparts.com/api/agent/tyres/GB/110-90-19. Every response links onward and prices each product in the shopper's currency.

To buy, give the shopper https://www.2brosparts.com/api/agent/checkout/GB/[basketKey]:[qty],[basketKey]:[qty]. Opening it fills their basket and takes them to checkout. No need to fetch it first.

In Stock

PISTON KIT 04-07 CRF250 RC, WISECO RC840M07800 HONDA MX

Name: PISTON KIT 04-07 CRF250 RC, WISECO RC840M07800 HONDA MX
Brand: Wiseco
SKU: 56-W4829.WI.RC
Price: 233.69 GBP
Availability: InStock

$257.67

Qty

Only 1 left

Wiseco Piston Kit. Part Number RC840M07800. Diameter 78.00 mm. Compression Ratio 12.8:1. Dome Type: Hi Flow. Shot Peened.

Specifications

SKU: 56-W4829.WI.RC
Brand: Wiseco
Availability: In Stock (1)

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
Variant Id: 256205

Shipping OptionsShown at checkout

14-Day ReturnsHassle-free

Easy CheckoutCard friendly

Product details

FULL DESCRIPTION

Wiseco Piston Kit for Honda CRF250R (2004-2007)

Upgrade your Honda CRF250R's performance with this high-quality Wiseco Piston Kit. Engineered for demanding off-road use, this kit is designed to provide reliable power and durability for your engine.

Key Features:

Brand: Wiseco
Part Number: RC840M07800
Piston Diameter: 78.00 mm
Compression Ratio: 12.8:1
Dome Type: Hi Flow
Material Treatment: Shot Peened for enhanced strength and longevity
Intended Use: Specifically designed for engine builders and performance enthusiasts

This Wiseco piston kit is a direct replacement for your stock piston, ensuring a proper fit and seamless integration into your CRF250R engine. Experience improved combustion efficiency and power output with this precision-crafted component.

RELATED PARTS

View all

ONE WAY CLUTCH BEARING KIT ALLBALLS 25-1782 CAN-AM 420427220 420832351

$40.84

RUBBER KICKSTART 14x25x65mm

$1.71

PISTON KIT VERTEX 66.4 B KAWASAKI KX/KXE 250 02-04, VERTEX 22795B

$181.52

Trade pricing available

Buying parts for your business? Apply for a 2BrosParts trade account.

Apply for Trade