2Bros Parts

PISTON KIT 71-75 HUSQVARNA CR WR 400 84.0mm 2.5mm OVER VINTCO PSU04-2.5

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VintCo PSU04-2.5 is a complete piston kit for vintage Husqvarna 2-stroke motorcycles, including piston, rings, pin and clips. It fits CR400 models from 1971 to 1974 and WR400 models from 1974 to 1975. This forged piston, manufactured in Germany, features a MoS2 coating for running-in. The nominal piston size is 84.0 mm with a +2.5 mm oversize, resulting in a piston size of 83.93 mm and a clearance of 0.07 mm. A wrist pin bearing is sold separately. Additional size options are available.

Specifications
SKU
VIN-PSU04-2.5
Brand
Vintco
Availability
In Stock (1)

Fitments (6)

MakeModelYear
HUSQVARNACR 4001971
HUSQVARNACR 4001972
HUSQVARNACR 4001973
HUSQVARNACR 4001974
HUSQVARNAWR 4001974
HUSQVARNAWR 4001975
SKU
VIN-PSU04-2.5
Brand
Vintco
Availability
In Stock (1)
Delivery2–4 business days
14-Day ReturnsHassle-free
Easy CheckoutCard friendly
Product details

FULL DESCRIPTION

VintCo Piston Kit for Vintage Husqvarna CR/WR 400

Restore the performance of your vintage Husqvarna motorcycle with this complete VintCo Piston Kit. Engineered for durability and precise fitment, this kit is designed for specific Husqvarna CR400 and WR400 models, ensuring your machine runs as it should.

This comprehensive kit includes everything needed for a piston replacement: the piston itself, piston rings, a wrist pin, and retaining clips. Crafted using modern manufacturing techniques and high-quality materials, this piston kit offers performance comparable to original equipment specifications. The forged piston is manufactured in Germany, known for its precision engineering. For enhanced break-in and reduced friction, the piston features a MoS2 coating.

Key Features:

  • Complete Piston Kit: Includes piston, rings, pin, and clips for a full replacement.
  • Vintage Husqvarna Compatibility: Specifically designed for select CR400 and WR400 models.
  • Forged Piston Construction: Offers superior strength and durability.
  • MoS2 Running-in Coating: Facilitates optimal piston and cylinder wall break-in.
  • German Manufacturing: Produced in Germany, ensuring high standards of quality.
  • OEM Specification Fitment: Designed for a precise fit and reliable performance.

Specifications:

  • Nominal Piston Size: 84.0 mm
  • Oversize: +2.5 mm
  • Actual Piston Size: 83.93 mm
  • Recommended Piston to Cylinder Clearance: 0.07 mm
  • Country of Manufacture: Germany

Important Notes:

  • A wrist pin bearing is sold separately and may be required for installation.
  • Additional piston sizes are available to suit various engine needs.
  • Always verify compatibility using OEM part numbers before purchase.
Before you buy

QUESTIONS? JUST ASK

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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

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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