2Bros Parts

PISTON KIT SHERCO 250 78.00, WOSSNER 8905DA 4-STK SE2.5i-F

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Wossner 78mm bore forged piston kit (part number 8905DA, standard size) designed for 250cm³ 4-stroke engines. Features high-strength forged construction and optimised thermal transfer design for consistent performance and longevity. The elliptical shape provides uniform load distribution, reducing the risk of piston collapse. Manufactured in Germany. Bore: 78mm. Bore Size: 77.94mm. Compression Ratio: OEM. OEM Compression Ratio: 13.20:1. Compression Height: 18.40mm. Clearance: 0.06mm. Stroke: 52.2mm. Dome Volume: +3.60cm³. Clip Part Number: CW16. Piston Pin: WP070. Ring Set: 780XAS-2. Cross-Reference OEM Part Numbers: 56-W9879.A.WO. Weight: 222g.

Specifications
SKU
56-W9879.A.WO
Brand
Wossner
Availability
In Stock (1)

Fitments (14)

MakeModelYear
SHERCOSE F 2802014
SHERCOSE F 2802015
SHERCOSE F 2802016
SHERCOSE F 2802017
SHERCOSE F 2802018
SHERCOSE I F 2502008
SHERCOSE I F 2502009
SHERCOSE I F 2502010
SHERCOSE I F 2502011
SHERCOSE I F 2502012
SHERCOSE I F 2502013
SHERCOSE R 3002013
SHERCOSE R 3002014
SHERCOSE R 3002015
General Product Group
Engine
General Product Type
Pistons & Kits
General Size
78.00mm
Variant Id
259034
Delivery2–4 business days
14-Day ReturnsHassle-free
Easy CheckoutCard friendly
Product details

FULL DESCRIPTION

Wossner Forged Piston Kit for Sherco SE2.5i-F 250cc 4-Stroke

This Wossner 78mm bore forged piston kit is engineered for optimal performance and durability in Sherco SE2.5i-F 4-stroke engines. The high-strength forged construction provides superior reliability, while the optimised thermal transfer design ensures efficient heat management from the combustion chamber. Featuring an innovative elliptical shape, this piston distributes thrust loads evenly, effectively reducing the risk of piston collapse even under demanding high temperatures. Manufactured in Germany to exacting standards, this kit is built to meet the rigorous demands of performance enthusiasts and ensure lasting engine longevity.

Key Features:

  • Forged piston construction for maximum strength and reliability.
  • Designed for efficient heat transfer from the combustion chamber.
  • Elliptical piston design ensures even thrust load distribution for reduced wear.
  • Precision engineered and manufactured in Germany.

Specifications:

  • Bore: 78mm
  • Bore Size: 77.94mm
  • Compression Ratio: OEM
  • OEM Compression Ratio: 13.20:1
  • Compression Height: 18.40mm
  • Clearance: 0.06mm
  • Stroke: 52.2mm
  • Displacement: 250cm³
  • Dome Volume: +3.60cm³
  • Clip Part Number: CW16
  • Piston Pin: WP070
  • Ring Set: 780XAS-2
Before you buy

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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.

UK delivery is £4.99, or free on orders over £60. Orders ship within 3 working days, then delivery takes 2–4 business days. Delivery details

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