Cylinder Only 54.00mm Std 05-21 Yamaha YZ125 Psychic 1C3-11311-21-00 1C3-11311-10-00

Description

A direct-replacement standard-bore cylinder for Yamaha YZ125 (2005–2021) and YZ125X (2020–2022). Supplied as a bare cylinder only, this Psychic unit matches the OEM architecture with a 54.00 mm bore and nickel–silicon carbide plated aluminium construction, suitable for liquid-cooled two-stroke applications.

Features

  • Direct replacement cylinder only (no head, valves, piston or gaskets included)
  • Standard 54.00 mm bore to suit stock displacement
  • Nickel–silicon carbide (Nikasil) plated aluminium barrel for low friction and wear resistance
  • Designed for liquid-cooled two-stroke operation
  • Compatible with OEM mounting and ancillary components for the listed models

Specifications

  • Bore diameter: 54.00 mm (STD)
  • Material: Aluminium
  • Liner/coating: Nickel–silicon carbide (Nikasil)
  • Cooling: Liquid-cooled
  • Application: 2-stroke single-cylinder

Cross-Reference OEM Part Numbers

  • 1C3-11311-21-00
  • 1C3-11311-10-00
  • 1C3-11311-20-00
  • 1C3-11311-01-00
  • 1C3-11311-00-00

Vehicle Fitments

  • Yamaha YZ125: 2005–2021
  • Yamaha YZ125X: 2020–2022

Cylinder Only 54.00mm Std 05-21 Yamaha YZ125 Psychic 1C3-11311-21-00 1C3-11311-10-00

Product form

A direct-replacement standard-bore cylinder for Yamaha YZ125 (2005–2021) and YZ125X (2020–2022). Supplied as a bare cylinder only, this Psychic unit... Read more

25 in stock 1-2 business days

£309.00 Incl. VAT

    • Guaranteed secure & safe checkout.

      shop pay

    SKU: 56-K132.54.PS
    Barcode: 0120000003211

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

    Description

    A direct-replacement standard-bore cylinder for Yamaha YZ125 (2005–2021) and YZ125X (2020–2022). Supplied as a bare cylinder only, this Psychic unit matches the OEM architecture with a 54.00 mm bore and nickel–silicon carbide plated aluminium construction, suitable for liquid-cooled two-stroke applications.

    Features

    • Direct replacement cylinder only (no head, valves, piston or gaskets included)
    • Standard 54.00 mm bore to suit stock displacement
    • Nickel–silicon carbide (Nikasil) plated aluminium barrel for low friction and wear resistance
    • Designed for liquid-cooled two-stroke operation
    • Compatible with OEM mounting and ancillary components for the listed models

    Specifications

    • Bore diameter: 54.00 mm (STD)
    • Material: Aluminium
    • Liner/coating: Nickel–silicon carbide (Nikasil)
    • Cooling: Liquid-cooled
    • Application: 2-stroke single-cylinder

    Cross-Reference OEM Part Numbers

    • 1C3-11311-21-00
    • 1C3-11311-10-00
    • 1C3-11311-20-00
    • 1C3-11311-01-00
    • 1C3-11311-00-00

    Vehicle Fitments

    • Yamaha YZ125: 2005–2021
    • Yamaha YZ125X: 2020–2022

    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