2Bros Parts

CYLINDER KIT 81mm KTM 250 SX-F EXC-F 23-26 CYLINDER WORKS CW50015K01 STD BORE

£721.40Only 1 left

4.4 Trustpilot 99.9% positive on eBay

Free UK delivery 2–4 business days

Spread the cost with Klarna 18+, T&Cs apply

1

Cylinder Works standard bore cylinder kit engineered for 250 cc 4-stroke engines. This kit provides a complete top-end rebuild solution with a bore diameter of 81 mm and a compression ratio of 14.5:1. It maintains original engine performance and displacement of 250 cc. Supplied with a matched Vertex piston kit #24615A and top-end gasket set, this kit ensures compatibility with OEM components and is suitable for routine rebuilds and high-performance applications. Kit contents include cylinder, piston kit, and top-end gasket kit. Part number CW50015K01.

Specifications
SKU
56-K2520.81.CKW
Brand
Cylinder Works
Availability
In Stock (1)
SKU
56-K2520.81.CKW
Brand
Cylinder Works
Availability
In Stock (1)
Delivery2–4 business days
14-Day ReturnsHassle-free
Easy CheckoutCard friendly
Product details

FULL DESCRIPTION

Cylinder Works Standard Bore Cylinder Kit - 81mm

The Cylinder Works standard bore cylinder kit offers a comprehensive solution for rebuilding the top end of your 250 cc 4-stroke motorcycle. Engineered to maintain original engine performance and displacement, this kit provides a direct replacement for your existing components, ensuring compatibility with OEM specifications. Whether for routine maintenance or enhanced performance applications, this kit delivers consistent operation.

Key Features:

  • Complete kit includes cylinder, piston, and top-end gasket set.
  • Maintains the standard bore and original engine configuration.
  • Designed as a direct replacement compatible with OEM parts.
  • Ideal for top-end engine rebuilds.
  • Engineered for reliable performance in demanding riding conditions.

Specifications:

  • Bore Diameter: 81 mm
  • Compression Ratio: 14.5:1
  • Displacement: 250 cc
  • Engine Type: 4-cycle
  • Piston Compatibility: Vertex piston #24615A
  • Kit Type: Standard Bore
  • Part Number: CW50015K01
Before you buy

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.

Apply for Trade
1