2Bros Parts

PISTON KIT MX YZ TY80 49.00, FORGED WOSSNER 8269D200

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PISTON KIT MX YZ TY80 49.00 FORGED WOSSNER 8269D200. This Wossner piston kit features a 49.00mm bore with a measured diameter of 48.95mm, providing a +2.00mm oversize fitment. Forged construction ensures superior strength and durability. Engineered for efficient heat transfer from the combustion chamber to cylinder walls. Elliptical design promotes uniform bearing surface during heat expansion. Distributes thrust loads evenly to prevent piston collapse. Manufactured in Germany. Specifications include: Bore: 49.00mm, Diameter: 48.95mm, Stroke: 42.00 mm, Clearance: 0.05 mm, Compression Ratio (Wossner): 2-stroke, Compression Ratio (OEM): 2-stroke, Compression Height: 29.40 mm, Ring Type: Single Ring, Clips P/N: CW12, Pin P/N: WP091, Ring Set P/N: RSB4900. Cross-Reference OEM Part Numbers: Part No. 56-W9919.200.WO, Wossner Piston 8269D200.

Specifications
SKU
56-W9919.200.WO
Brand
Wossner
Availability
In Stock (1)
General Product Group
Engine
General Product Type
Pistons & Kits
General Size
49.00mm
Variant Id
259178
Delivery5–8 business days
14-Day ReturnsHassle-free
Easy CheckoutCard friendly
Product details

FULL DESCRIPTION

Wossner Forged Piston Kit MX YZ 49.00mm

This Wossner piston kit features a 49.00mm bore with a measured diameter of 48.95mm, providing a +2.00mm oversize fitment. Designed for select Yamaha 80cc models, the kit delivers high-strength performance and precise thermal expansion control for reliable two-stroke engine operation.

Key Features

  • Forged construction ensures superior strength and durability.
  • Engineered for efficient heat transfer from the combustion chamber to the cylinder walls.
  • Elliptical design promotes a uniform bearing surface during heat expansion.
  • Distributes thrust loads evenly to prevent piston collapse.
  • Manufactured in Germany.

Specifications

  • Bore: 49.00mm
  • Diameter: 48.95mm
  • Stroke: 42.00 mm
  • Clearance: 0.05 mm
  • Compression Ratio (Wossner): 2-stroke
  • Compression Ratio (OEM): 2-stroke
  • Compression Height: 29.40 mm
  • Ring Type: Single Ring
  • Clips Part Number: CW12
  • Pin Part Number: WP091
  • Ring Set Part Number: RSB4900
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