PISTON KIT SET/4 R1, FZR, RX1, WOSSNER K8840D200-4 YAMAHA

$1,302.40
1

Wossner piston kit set of 4 for R1, FZR, RX1. Features forged Wossner pistons with a +2.00mm oversized bore (76.00mm bore, 75.95mm actual piston diameter). Elliptical design for uniform pressure under thermal expansion, improving durability and reducing mechanical failure risk. Engineered for efficient combustion heat transfer. Made in Germany. Increases engine displacement to 1051cc. Part Number: K8840D200-4. 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.

Specifications
SKU
56-W9900.200.WO
Brand
Wossner
Availability
In Stock (1)
General Product Group
Engine
General Product Type
Pistons & Kits
Variant Id
259115
Shipping OptionsShown at checkout
14-Day ReturnsHassle-free
Easy CheckoutCard friendly
Product details

FULL DESCRIPTION

Wossner Piston Kit Set for Yamaha R1, FZR, RX1

Upgrade your Yamaha R1, FZR, or RX1 engine with this high-performance Wossner Piston Kit. Engineered for durability and increased displacement, this kit features four forged pistons designed to enhance your motorcycle's power output.

Key Features:

  • Set of 4 premium forged Wossner pistons
  • Oversized bore: +2.00mm, resulting in a 76.00mm bore diameter (actual piston diameter 75.95mm)
  • Elliptical piston design optimizes thrust load distribution and manages thermal expansion for greater reliability
  • Promotes efficient heat transfer from combustion to cylinder walls
  • Manufactured in Germany to exacting standards
  • Increases engine displacement to 1051cc

Specifications:

  • Part Number: K8840D200-4
  • Bore Size: 76.00mm (actual piston size 75.95mm)
  • Total 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

Included Components & Replacements:

  • Clip: CW17
  • Piston Pin: WP083
  • Replacement Ring Set: 760XDS