Cylinder Full Kit +5.60mm Big Bore 72.00mm New Version Yamaha 2003 - 2025 YZ 2T 250 Athena P400485100104

Description

Complete big bore cylinder kit designed for Yamaha YZ 250 two-stroke models, featuring a newly engineered cylinder, piston, head, and associated components. This updated version incorporates revised internal geometries and improved component design to deliver increased engine output, consistent combustion behaviour, and dependable operation across varying engine speeds.

Features

  • Complete cylinder kit including cylinder, piston, head, and gasket set

  • Redesigned cylinder with revised port timing for improved gas flow

  • Direct replacement kit for standard engine configuration

Specifications

  • Bore size: 72.00 mm

  • Bore increase: +5.60 mm

  • Application: 2-stroke engine

  • Manufacturer part number: P400485100104

Vehicle Fitments

  • Yamaha YZ 250 (2003–2026)

Cylinder Full Kit +5.60mm Big Bore 72.00mm New Version Yamaha 2003 - 2025 YZ 2T 250 Athena P400485100104

Product form

Complete big bore cylinder kit designed for Yamaha YZ 250 two-stroke models, featuring a newly engineered cylinder, piston, head, and... Read more

1 in stock 1-2 business days

£1,605.60 Incl. VAT

    • Guaranteed secure & safe checkout.

      shop pay

    SKU: 56-K156.72.CKA_V2
    Barcode: 0120000110124

    • Free shipping on all orders above £75
    • No hassle returns within 30 days

    Description

    Complete big bore cylinder kit designed for Yamaha YZ 250 two-stroke models, featuring a newly engineered cylinder, piston, head, and associated components. This updated version incorporates revised internal geometries and improved component design to deliver increased engine output, consistent combustion behaviour, and dependable operation across varying engine speeds.

    Features

    • Complete cylinder kit including cylinder, piston, head, and gasket set

    • Redesigned cylinder with revised port timing for improved gas flow

    • Direct replacement kit for standard engine configuration

    Specifications

    • Bore size: 72.00 mm

    • Bore increase: +5.60 mm

    • Application: 2-stroke engine

    • Manufacturer part number: P400485100104

    Vehicle Fitments

    • Yamaha YZ 250 (2003–2026)

    Shipping & Delivery

    How long will my item take to arrive?

    Orders are typically dispatched within 1 working day and are shipped on a 24hour (non-guaranteed) service.

    Where do you ship to?

    We currently only ship orders within the UK.

    How can I track my order?

    Once your order has been dispatched, you will receive a tracking code. Tracking information is emailed to the email address that was provided when placing the order.

    Can I collect my order?

    Unfortunately we do not offer order collections from our fulfilment centre.

    WHY NOT CHECK OUT

    Recently viewed products

      © 2026 Radhouse, Powered by Shopify

        • American Express
        • Apple Pay
        • Diners Club
        • Discover
        • Google Pay
        • Maestro
        • Mastercard
        • PayPal
        • Shop Pay
        • Union Pay
        • Visa