Piston Kit SET/4 R1, Fzr, RX1, Wossner K8840D200-4 Yamaha

Description

This piston kit is designed for Yamaha R1, FZR, and RX1 models from 1999 to 2005. It features a set of four Wossner forged pistons with a +2.00mm oversize (76.00mm bore), engineered to deliver increased displacement and enhanced performance. With an elliptical design, the pistons maintain uniform pressure under thermal expansion, improving durability and reducing the risk of mechanical failure. Manufactured in Germany, this kit increases engine displacement to 1051cc.

Features

  • Set of 4 forged Wossner pistons

  • +2.00mm oversized bore (76.00mm, actual piston diameter 75.95mm)

  • Elliptical design for consistent thrust load distribution and thermal expansion control

  • Engineered for efficient combustion heat transfer to cylinder walls

  • Made in Germany

Specifications

  • Part Number: K8840D200-4

  • Bore Size: 76.00mm (actual piston size 75.95mm)

  • Displacement: 1051cc

  • Displacement Range Displayed: 998 / 1024 / 1051 cm³

  • Stroke: 58.00mm

  • Clearance: 0.05mm

  • Wossner Compression Ratio: 10.20:1

  • OEM Compression Ratio: 11.80:1

  • Dome Volume: -2.60cm³

  • Compression Height: 22.80mm

Cross-Reference OEM Part Numbers

  • Clip: CW17

  • Piston Pin: WP083

  • Replacement Ring Set: 760XDS

Vehicle Fitments

  • Yamaha R1 1999–2003

  • Yamaha FZR 1999–2003

  • Yamaha RX1 2001–2005

Piston Kit SET/4 R1, Fzr, RX1, Wossner K8840D200-4 Yamaha

Product form

This piston kit is designed for Yamaha R1, FZR, and RX1 models from 1999 to 2005. It features a set... Read more

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    SKU: 56-W9900.200.WO

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    Description

    This piston kit is designed for Yamaha R1, FZR, and RX1 models from 1999 to 2005. It features a set of four Wossner forged pistons with a +2.00mm oversize (76.00mm bore), engineered to deliver increased displacement and enhanced performance. With an elliptical design, the pistons maintain uniform pressure under thermal expansion, improving durability and reducing the risk of mechanical failure. Manufactured in Germany, this kit increases engine displacement to 1051cc.

    Features

    • Set of 4 forged Wossner pistons

    • +2.00mm oversized bore (76.00mm, actual piston diameter 75.95mm)

    • Elliptical design for consistent thrust load distribution and thermal expansion control

    • Engineered for efficient combustion heat transfer to cylinder walls

    • Made in Germany

    Specifications

    • Part Number: K8840D200-4

    • Bore Size: 76.00mm (actual piston size 75.95mm)

    • Displacement: 1051cc

    • Displacement Range Displayed: 998 / 1024 / 1051 cm³

    • Stroke: 58.00mm

    • Clearance: 0.05mm

    • Wossner Compression Ratio: 10.20:1

    • OEM Compression Ratio: 11.80:1

    • Dome Volume: -2.60cm³

    • Compression Height: 22.80mm

    Cross-Reference OEM Part Numbers

    • Clip: CW17

    • Piston Pin: WP083

    • Replacement Ring Set: 760XDS

    Vehicle Fitments

    • Yamaha R1 1999–2003

    • Yamaha FZR 1999–2003

    • Yamaha RX1 2001–2005

    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.

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