2Bros Parts

PISTON KIT 05-09 CR250 66.40 A, WOSSNER 8171DA HONDA MX

$160.05

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Delivery to United States 5–8 business days

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Wossner piston kit with 66.40 mm bore size. Forged piston design for superior strength and performance. Engineered for optimal combustion chamber heat transfer with elliptical geometry to ensure even thrust load distribution and resist piston collapse during thermal expansion. Manufactured in Germany. Specifications: Bore 66.40 mm, actual diameter 66.34 mm, clearance 0.06 mm, compression height 38.00 mm, displacement 249 cm³, stroke 72.00 mm. Cross-reference OEM part numbers: 13110-KSK-730, 13120-KSK-730, 13121-KSK-732, 13111-KSK-730, 90601-430-000, 09104866.

Specifications
SKU
56-W860+00A.WO
Brand
Wossner
Availability
In Stock (2)
General Product Group
Engine
General Product Type
Pistons & Kits
General Size
66.40mm
Variant Id
258094
Delivery5–8 business days
14-Day ReturnsHassle-free
Easy CheckoutCard friendly
Product details

FULL DESCRIPTION

Wossner Piston Kit for Honda CR250R

This Wossner piston kit is precision-engineered for high-performance two-stroke engines. Manufactured in Germany, it is designed to offer superior strength and optimal thermal management. The innovative elliptical piston design ensures uniform load distribution, significantly reducing the risk of piston collapse even under demanding high-temperature operating conditions.

Key Features:

  • Forged piston design for enhanced strength and performance.
  • Engineered for optimal combustion chamber heat transfer.
  • Elliptical geometry promotes even thrust load distribution.
  • Resists piston collapse during thermal expansion for increased durability.
  • Manufactured to exacting standards in Germany.

Specifications:

  • Bore: 66.40 mm
  • Actual Diameter: 66.34 mm
  • Clearance: 0.06 mm
  • Compression Height: 38.00 mm
  • Displacement: 249 cm³
  • Stroke: 72.00 mm
  • Wossner Compression Ratio: 2-stroke
  • OEM Compression Ratio: 2-stroke
Before you buy

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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.

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