PISTON KIT 83-87 YZ250 69.25, WOSSNER 8133D125 YAMAHA MX

$273.14
1

Wossner forged piston kit with a 69.25 mm bore, precision-engineered for durability and efficient heat transfer. Features forged piston construction for increased strength, superior heat transfer design for improved thermal performance, and an elliptical piston profile to reduce localised pressure and distribute thrust loads. Engineered for 2-stroke engine applications. Made in Germany. Specifications include bore 69.25 mm, actual bore diameter 69.19 mm, compression height 36.00 mm, display volume 246 cm³, stroke 68.00 mm, clearance 0.06 mm, and compression ratio 2-stroke (Wossner and OEM). Includes piston kit part number 8133D125, lock P/N CW18, pin P/N WP033, ring set P/N RSB6925 (x2), rod P/N P2048, and alternate part number 56-W560+100.WO.

Specifications
SKU
56-W560+125.WO
Brand
Wossner
Availability
In Stock (1)
General Product Group
Engine
General Product Type
Pistons & Kits
General Size
69.25mm
Variant Id
256837
Shipping OptionsShown at checkout
14-Day ReturnsHassle-free
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Product details

FULL DESCRIPTION

Wossner Forged Piston Kit for Yamaha YZ250 (1983-1987)

Enhance the performance and durability of your Yamaha YZ250 with this premium forged piston kit from Wossner. Precision-engineered in Germany, this kit is designed to meet the demands of high-performance 2-stroke engines.

Key Features:

  • Forged piston construction for superior strength and longevity.
  • Advanced heat transfer design for optimal thermal management and improved engine efficiency.
  • Elliptical piston profile engineered to minimize localized pressure and effectively distribute thrust loads, preventing piston collapse.
  • Specifically designed for 2-stroke engine applications.
  • Manufactured to exacting standards in Germany.

Specifications:

  • Bore Size: 69.25 mm
  • Actual Bore Diameter: 69.19 mm
  • Compression Height: 36.00 mm
  • Display Volume: 246 cm³
  • Stroke: 68.00 mm
  • Piston Clearance: 0.06 mm
  • Compression Ratio: Compatible with 2-stroke (Wossner and OEM).

Included Components:

  • Piston Kit Part Number: 8133D125
  • Lock Ring Part Number: CW18
  • Piston Pin Part Number: WP033
  • Ring Set Part Number: RSB6925 (qty 2)
  • Rod Part Number: P2048 (for 1983-1989 models)