2Bros Parts

PISTON KIT 76-81 YAMAHA MX YZ 125 56.0mm STANDARD VINTCO PSY01-00

£121.90

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VintCo Piston Kit 56.0mm Standard Forged Germany MoS2 Coated PSY01-00. This complete piston kit includes piston, rings, pin, and clips. Suitable for vintage 2-stroke engine rebuilds. Standard bore replacement with a 56.0 mm bore size and 55.94 mm piston size. Features a 0.06 mm clearance and MoS2 coating to support running-in. Wrist pin bearing sold separately. Additional size options available. VintCo Part Number PSY01-00. Item Category: Piston Kits. Made in Germany.

Specifications
SKU
VIN-PSY01-00
Brand
Vintco
Availability
In Stock (2)

Fitments (7)

MakeModelYear
YAMAHAMX 1251976
YAMAHAYZ 1251976
YAMAHAYZ 1251977
YAMAHAYZ 1251978
YAMAHAYZ 1251979
YAMAHAYZ 1251980
YAMAHAYZ 1251981
SKU
VIN-PSY01-00
Brand
Vintco
Availability
In Stock (2)
Delivery2–4 business days
14-Day ReturnsHassle-free
Easy CheckoutCard friendly
Product details

FULL DESCRIPTION

VintCo Standard Bore Piston Kit for Vintage Yamaha MX & YZ 125

This VintCo piston kit offers a 56.0 mm standard-bore replacement designed for vintage 2-stroke engine rebuilds. It is meticulously produced with modern materials and advanced manufacturing techniques to ensure it meets or exceeds original equipment manufacturer (OEM) fit and performance standards.

Key Features:

  • Complete Kit: Includes the piston, rings, pin, and clips for a comprehensive replacement.
  • Vintage Engine Specific: Ideal for restoring vintage 2-stroke engines.
  • Standard Bore: A direct replacement for standard bore sizes.
  • MoS2 Coating: The piston features a Molybdenum Disulfide (MoS2) coating that aids in the running-in process, promoting longevity.
  • German Manufacturing: The forged piston is proudly made in Germany, ensuring high-quality construction.
  • Availability: Wrist pin bearings are available separately, and additional piston size options are also offered.

Specifications:

  • Item Category: Piston Kits
  • Bore Size: 56.0 mm
  • Size: Standard
  • Piston Diameter: 55.94 mm
  • Clearance: 0.06 mm
  • Piston Construction: Forged
  • Country of Manufacture: Germany
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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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