2Bros Parts

PISTON KIT KTM 400 76-81 82.50, WOSSNER 8293D050 KTM 390

$237.05

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Delivery to United States 5–8 business days

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Wossner 8293D050 Piston Kit (+0.50mm) Bore 82.50mm. This piston kit is designed for KTM GS / MC 390 / 400 models from 1976 to 1981 and Yamaha YZF R6 models from 2006 to 2011. Includes piston rings, clips, and piston pin. Specifications: Bore: 82.50mm (Actual: 82.40mm), Hub Stroke: 74.00mm, Clearance: 0.10mm, Compression Height: 37.70mm. Wossner forged pistons are engineered for superior strength and design, designed to optimize combustion chamber heat transfer to cylinder walls. Elliptically designed to ensure a more uniform bearing surface under piston heat expansion, thus preventing piston collapse. Made in Germany. Weight 522g.

Specifications
SKU
56-W9877.050.WO
Brand
Wossner
Availability
In Stock (2)

Fitments (12)

MakeModelYear
KTM300 GS1976
KTM300 GS1977
KTM300 GS1978
KTM300 GS1979
KTM300 GS1980
KTM300 GS1981
KTM400 GS1976
KTM400 GS1977
KTM400 GS1978
KTM400 GS1979
KTM400 GS1980
KTM400 GS1981
General Product Group
Engine
General Product Type
Pistons & Kits
General Size
82.50mm
Variant Id
259028
Delivery5–8 business days
14-Day ReturnsHassle-free
Easy CheckoutCard friendly
Product details

FULL DESCRIPTION

Wossner 8293D050 Piston Kit (+0.50mm)

Enhance your motorcycle's performance with the Wossner 8293D050 Piston Kit. Engineered for durability and optimal function, this kit is a precision component designed for demanding riders. Wossner forged pistons are renowned for their superior strength and innovative design, ensuring reliability in challenging conditions.

Key Features:

  • Optimized Heat Transfer: Designed to efficiently transfer combustion chamber heat to cylinder walls, promoting consistent engine temperatures.
  • Elliptical Design: Features an elliptical piston shape to provide a more uniform bearing surface during thermal expansion. This advanced design helps prevent piston collapse, ensuring sustained performance.
  • Precision Manufacturing: Made in Germany to exacting standards, guaranteeing high quality and dependable operation.
  • Specifications: This kit includes a piston with an actual bore of 82.40mm, a stroke of 74.00mm, and a compression height of 37.70mm. The clearance is set at 0.10mm for optimal fit and function.

This comprehensive piston kit includes essential components such as piston rings, clips, and a piston pin, providing a complete solution for your engine rebuild or upgrade.

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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