2Bros Parts

PISTON KIT 07-09 TM250F 77.00, FORGED WOSSNER 8653DA

$201.09

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Delivery to United States 5–8 business days

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Wossner forged piston kit with a 77.00 mm piston size. Engineered for superior strength and performance with optimal heat transfer. The elliptical design ensures uniform bearing surface under heat expansion, reducing localized pressure and distributing thrust loads evenly to prevent piston collapse. Manufactured in Germany. Features include forged construction for enhanced durability, optimized heat transfer for improved performance, and an elliptical design that prevents localized pressure and piston collapse. Designed for high-performance applications. Specifications: Bore 76.96 mm, Piston Size 77.00 mm, Displacement 249 cm³, Stroke 53.60 mm, Clearance 0.04 mm, Dome Volume -1.30 cm³, Compression Height 22.40 mm. Cross-reference OEM part numbers: Lock CW16, Pin WP059, Ring Set 770XAS.

Specifications
SKU
56-W033.WO.A
Brand
Wossner
Availability
In Stock (4)

Fitments (18)

MakeModelYear
TMCROSS F 2502007
TMCROSS F 2502008
TMCROSS F 2502009
TMCROSS F 2502010
TMEN F 2502007
TMEN F 2502008
TMEN F 2502009
TMENDURO F 2502007
TMENDURO F 2502008
TMENDURO F 2502009
TMENDURO F 2502010
TMMX F 2502007
TMMX F 2502008
TMMX F 2502009
TMTM F 2502006
TMTM F 2502007
TMTM F 2502008
TMTM F 2502009
General Product Group
Engine
General Product Type
Pistons & Kits
Variant Id
254328
Delivery5–8 business days
14-Day ReturnsHassle-free
Easy CheckoutCard friendly
Product details

FULL DESCRIPTION

Wossner Forged Piston Kit - High Performance and Durability

Experience superior strength and performance with this Wossner forged piston kit. Engineered for optimal heat transfer from the combustion chamber to cylinder walls, this piston ensures efficient operation and longevity. Its innovative elliptical design guarantees a uniform bearing surface even under extreme heat expansion. This design minimizes localized pressure and evenly distributes thrust loads, effectively preventing piston collapse and ensuring reliable performance in high-demand applications.

Key Features:

  • Forged Construction: Crafted for exceptional strength and enhanced durability under rigorous conditions.
  • Optimized Heat Transfer: Designed to efficiently move heat away from the combustion chamber, improving overall engine performance.
  • Elliptical Design: Prevents localized pressure buildup and potential piston collapse by ensuring even load distribution.
  • High-Performance Engineering: Built to meet the demands of high-performance motorcycle engines.
  • German Manufacturing: Precision engineered and manufactured in Germany for quality you can trust.

Specifications:

  • Piston Bore: 76.96 mm
  • Piston Size: 77.00 mm
  • Engine Displacement: 249 cm³
  • Stroke: 53.60 mm
  • Piston Clearance: 0.04 mm
  • Dome Volume: -1.30 cm³
  • Compression Height: 22.40 mm
Before you buy

QUESTIONS? JUST ASK

Talk to John or Phil. Real people, Monday to Friday, 10:00 to 17:00 (UK time).

Check the fitment table on this page against your make, model and year. Not sure? Call or email us 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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