PISTON KIT 02-04 CR250 66.40 B, WISECO 801M06640B HONDA
4.1 Trustpilot 99.9% positive on eBay
Free UK delivery 2–4 business days
Spread the cost with 
18+, T&Cs apply
Wiseco Pro-Lite Piston Assembly 801M06640B. B Size 66.40mm. Features an innovative forging design and piston skirt for maximum horsepower and torque. Lightweight wrist pins allow for faster revs and quicker throttle response. Nikasil bore or cylinder sleeving/replating required for oversizes. Top-end bearing available separately (part no. B1003). Includes one 66.4mm piston, two 2614CD rings, two CW18 circlips, and one S508 wrist pin. Sold by application and bore size; standard and oversizes are not indicated. To ensure correct part order, know the standard bore size. Part number 56-W801+00B.WI. Weight 314 grams.
- SKU
- 56-W801+00B.WI
- Brand
- Wiseco
- Availability
- In Stock (1)
- General Product Group
- Engine
- General Product Type
- Pistons & Kits
- General Size
- 66.40mm
- Variant Id
- 295770
FULL DESCRIPTION
Wiseco Pro-Lite Piston Kit for Honda CR250R (2002-2004) - 66.40mm B Size
Enhance the performance and longevity of your Honda CR250R with this Wiseco Pro-Lite Piston Kit. Engineered for durability and increased horsepower, this kit is designed to deliver optimal torque and quicker throttle response.
Key Features:
- Innovative forging design and piston skirt maximize horsepower and torque.
- Lightweight wrist pins enable faster revs and quicker throttle response.
- Durable construction for extended longevity.
- Specifically designed for the Honda CR250R model years 2002-2004.
- This is a B Size piston with a bore of 66.40mm.
Important Note: Nikasil bore cylinder sleeving or replating may be required for oversizes. A top-end bearing is available separately (part no. B1003).
Included Items:
- One 66.4mm Piston
- Two 2614CD Rings
- Two CW18 Circlips
- One S508 Wrist Pin
Please verify your engine's standard bore size to ensure you are ordering the correct standard or oversize piston.
QUESTIONS? JUST ASK
Talk to John or Phil. Real people, Monday to Friday, 10:00 to 17:00.
Call or email us with your make, model and year 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.