PISTON KIT 98-99 YZF400 92.00, FORGED WOSSNER 8603DA, 5GR-11631-00-00

¥39,936
1

Wossner 92mm Bore Piston Kit 8603DA. This high-strength forged piston features an elliptical design for even thrust load distribution and optimized heat transfer. Manufactured in Germany, it maintains the OEM compression ratio of 11.0:1 for reliable performance. Specifications include an actual bore diameter of 91.95mm, displacement of 290cc, stroke of 61.20mm, clearance of 0.06mm, dome volume of -4.80cm³, and compression height of 23.00mm. Cross-reference OEM part numbers include lock P/N CW18, pin P/N WP053, ring set P/N 920XSY, and OEM part number 5GR-11631-00-00.

Specifications
SKU
56-W4649.A.WO
Brand
Wossner
Availability
In Stock (1)
General Product Group
Engine
General Product Type
Pistons & Kits
General Size
92mm
Variant Id
255808
Shipping OptionsShown at checkout
14-Day ReturnsHassle-free
Easy CheckoutCard friendly
Product details

FULL DESCRIPTION

Wossner Forged Piston Kit 92mm Bore for Yamaha YZF400 WRF400

Enhance your Yamaha YZ400F or WR400F engine with this high-performance Wossner forged piston kit. Engineered for superior strength and durability, this piston kit is designed to optimize engine performance and longevity.

Key Features:

  • High-Strength Forged Construction: Built from premium forged materials for exceptional durability and resistance to high temperatures and pressures.
  • Optimized Heat Transfer: Designed to improve heat transfer within the combustion chamber, contributing to more efficient combustion.
  • Elliptical Piston Design: Features an elliptical profile to ensure uniform load distribution across the piston surface, reducing localized pressure and preventing premature wear or collapse.
  • German Engineering: Manufactured in Germany, ensuring high standards of quality and precision.
  • OEM Compression Ratio: Maintains the original equipment manufacturer's compression ratio for reliable and predictable engine operation.

Specifications:

  • Bore Size: 92.00mm
  • Actual Bore Diameter: 91.95mm
  • Compression Ratio: OEM
  • OEM Compression Ratio: 11.0:1
  • Displacement: 290cc
  • Stroke: 61.20mm
  • Clearance: 0.06mm
  • Dome Volume: -4.80cm³
  • Compression Height: 23.00mm

Included Components:

  • Lock P/N: CW18
  • Pin P/N: WP053
  • Ring Set P/N: 920XSY

Cross-Reference OEM Part Number: 5GR-11631-00-00