Cylinder Sleeve 80-80 Yamaha YZ 80 49mm Vintco SLY11C

Description

This VintCo cylinder sleeve is a cast-iron replacement sleeve for the 1980 Yamaha YZ80, intended for restoring serviceability when an original cylinder is difficult to source. Made in the USA for VintCo by Advanced Sleeve, it is produced using modern materials and manufacturing methods to provide OEM-level or better fitment and performance. The port angles are set to reduce the amount of port matching required, and the sleeve can be bored and honed to suit the stock-size VintCo piston kit. All dimensions are supplied for installation by an experienced and qualified machinist.

Features

  • Replacement cylinder sleeve for vintage motorcycles
  • Fits 1980 Yamaha YZ80 models
  • Suitable when a replacement cylinder is difficult to find
  • Port angles set to reduce port matching work during installation
  • Can be bored and honed to suit the stock-size VintCo piston kit
  • Intended for installation by an experienced and qualified machinist

Specifications

  • VintCo Part Number: SLY11C
  • Product type: Cylinder sleeve
  • Material: Cast iron
  • Manufactured in: USA
  • Made for VintCo by: Advanced Sleeve
  • Compatible piston part number: PSY11-00
  • Bore: 49 mm
  • Height: 99.7 mm
  • Outside diameter: 59.7 mm
  • Flange outside diameter: 62.9 mm
  • Flange height: 3.8 mm
  • Wall thickness: 5.7 mm
  • Intake: 20.5 mm
  • Exhaust port location: 21.6 mm

Vehicle Fitments

  • 1980 Yamaha YZ80

Cylinder Sleeve 80-80 Yamaha YZ 80 49mm Vintco SLY11C

Product form

This VintCo cylinder sleeve is a cast-iron replacement sleeve for the 1980 Yamaha YZ80, intended for restoring serviceability when an... Read more

1 in stock 1-2 business days

£173.93 Incl. VAT

    • Guaranteed secure & safe checkout.

      shop pay

    SKU: VIN-SLY11C
    Barcode: 0120000088744

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

    Description

    This VintCo cylinder sleeve is a cast-iron replacement sleeve for the 1980 Yamaha YZ80, intended for restoring serviceability when an original cylinder is difficult to source. Made in the USA for VintCo by Advanced Sleeve, it is produced using modern materials and manufacturing methods to provide OEM-level or better fitment and performance. The port angles are set to reduce the amount of port matching required, and the sleeve can be bored and honed to suit the stock-size VintCo piston kit. All dimensions are supplied for installation by an experienced and qualified machinist.

    Features

    • Replacement cylinder sleeve for vintage motorcycles
    • Fits 1980 Yamaha YZ80 models
    • Suitable when a replacement cylinder is difficult to find
    • Port angles set to reduce port matching work during installation
    • Can be bored and honed to suit the stock-size VintCo piston kit
    • Intended for installation by an experienced and qualified machinist

    Specifications

    • VintCo Part Number: SLY11C
    • Product type: Cylinder sleeve
    • Material: Cast iron
    • Manufactured in: USA
    • Made for VintCo by: Advanced Sleeve
    • Compatible piston part number: PSY11-00
    • Bore: 49 mm
    • Height: 99.7 mm
    • Outside diameter: 59.7 mm
    • Flange outside diameter: 62.9 mm
    • Flange height: 3.8 mm
    • Wall thickness: 5.7 mm
    • Intake: 20.5 mm
    • Exhaust port location: 21.6 mm

    Vehicle Fitments

    • 1980 Yamaha YZ80

    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

      Sign up for our newsletter

      Subscribe to our Mailing List

      Never miss any news and be the first to know about sale and offers

      © 2026 Radhouse, Powered by Shopify

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