2Bros Parts

PISTON KIT 87-09 YFZ350 64.50, WOSSNER 8075D050 YAMAHA ATV

$139.48

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Delivery to United States 5–8 business days

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Wossner forged piston kit 8075D050 with a 64.50mm bore and 64.44mm diameter. This kit is +0.50 oversize. Wossner pistons are superior in strength and design, engineered to provide the best possible path for combustion chamber heat transfer to cylinder walls. They are elliptically designed to provide a more uniform bearing surface under piston heat expansion, eliminating localized pressure and distributing thrust loads more evenly, thereby preventing piston collapse. Made in Germany. Lock P/N: CW16. Pin P/N: WP027. Ring Set P/N: RSB6450 X2. Specifications: Display (cm3): 347. Hub Stroke (mm): 54.00. Clearance (mm): 0.06. Compression Ratio: 2 stroke. Compression Height (mm): 36.00. Theoretical Weight (G): N/A.

Specifications
SKU
56-W513+050.WO
Brand
Wossner
Availability
In Stock (4)
General Product Group
Engine
General Product Type
Pistons & Kits
General Size
64.5mm
Variant Id
256620
Delivery5–8 business days
14-Day ReturnsHassle-free
Easy CheckoutCard friendly
Product details

FULL DESCRIPTION

Wossner Forged Piston Kit - 64.50mm Bore

Upgrade your engine with a high-performance Wossner forged piston kit. Engineered in Germany, these pistons are designed for superior strength and optimal combustion chamber heat transfer. The elliptical design ensures a uniform bearing surface, even under heat expansion, which eliminates localized pressure and distributes thrust loads evenly to prevent piston collapse. This kit includes essential components for a complete installation.

Key Features:

  • Forged for enhanced strength and durability.
  • Elliptical design for uniform bearing surface and even thrust load distribution.
  • Optimized for efficient combustion chamber heat transfer.
  • Precision engineered in Germany.
  • Includes Lock P/N: CW16
  • Includes Pin P/N: WP027
  • Includes Ring Set P/N: RSB6450 X2

Specifications:

  • Bore Size: 64.50mm
  • Piston Clearance: 0.06mm
  • Compression Height: 36.00mm
  • Engine Displacement: 347 cm³
  • Stroke: 54.00mm
  • Weight: 302 grams
Before you buy

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Call or email us with your make, model and year and we will check it for you before you order.

Yes. We ship from the UK. Orders ship within 3 working days, then delivery to the United States takes 5–8 business days. The delivery price is shown at checkout before you pay. Delivery details

Yes. You have 14 days from delivery to return it, unused and in its original packaging. Contact us first and we will send you the return instructions. Returns policy

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Any customs duties or import taxes charged in the United States are paid by you when the parcel arrives. Any tax we collect ourselves is shown at checkout before you pay.

More answers in our FAQ.

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