2Bros Parts

PISTON KIT 86-96 CR250 66.40 B, WOSSNER 8021DB HONDA MX

$159.76

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Delivery to United States 5–8 business days

Out of Stock

Wossner forged piston kit with a 66.41mm bore size and 66.35mm piston diameter. This kit is designed for superior mechanical strength and longevity, facilitating optimal combustion heat transfer and reducing wear. It features elliptical geometry for uniform pressure distribution and is precision-manufactured in Germany. Specifications include a 249 cm³ engine displacement, 72.00 mm stroke, 0.06 mm clearance, 38.00 mm compression height, and a 2-stroke compression ratio. Includes Wossner part numbers 8021DB (piston kit), CW18 (lock), WP033 (pin), RSB6640 x 2 (ring set), and P2021 (rod).

Specifications
SKU
56-W614.B.W
Brand
Wossner
Availability
Out of Stock

Fitments (24)

MakeModelYear
HONDACR 2501986
HONDACR 2501987
HONDACR 2501988
HONDACR 2501989
HONDACR 2501990
HONDACR 2501991
HONDACR 2501992
HONDACR 2501993
HONDACR 2501994
HONDACR 2501995
HONDACR 2501996
HONDACR 250R1986
HONDACR 250R1987
HONDACR 250R1988
HONDACR 250R1989
HONDACR 250R1990
HONDACR 250R1991
HONDACR 250R1992
HONDACR 250R1993
HONDACR 250R1994
HONDACR 250R1995
HONDACR 250R1996
SUZUKIRM 2501996
SUZUKIRM 2501997
General Product Group
Engine
General Product Type
Pistons & Kits
General Size
66.40 mm
Variant Id
257107
Delivery5–8 business days
14-Day ReturnsHassle-free
Easy CheckoutCard friendly
Product details

FULL DESCRIPTION

Wossner Forged Piston Kit 66.41mm Bore

This Wossner forged piston kit is engineered for high-performance engines. The forged construction enhances strength and thermal efficiency, while the elliptical shape ensures even load distribution and reduces the risk of piston collapse. Manufactured in Germany to exacting standards.

Key Features:

  • Forged piston for superior mechanical strength and longevity
  • Designed to facilitate optimal combustion heat transfer to the cylinder walls
  • Elliptical geometry ensures uniform pressure distribution and reduces wear
  • Precision-manufactured in Germany for consistent fit and function

Specifications:

  • Bore Size: 66.41 mm
  • Piston Diameter: 66.35 mm
  • Engine Displacement: 249 cm³
  • Stroke: 72.00 mm
  • Clearance: 0.06 mm
  • Compression Height: 38.00 mm
  • Compression Ratio: 2-stroke (Wossner and OEM)

Kit Components:

  • Piston Kit: 8021DB
  • Lock: CW18
  • Pin: WP033
  • Ring Set: RSB6640 x 2
  • Rod: P2021
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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Out of stock