2Bros Parts

PISTON KIT 76-81 YAMAHA MX YZ 125 57.5mm VINTCO PSY01-1.5

$135.93Only 1 left

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VintCo Piston Kit 57.5mm +1.5mm for vintage 2-stroke engine rebuilds. Includes piston, rings, pin and clips. Forged and coated piston for running-in assistance. Manufactured in Germany. OEM-equivalent fitment and performance. Wrist pin bearing available separately. VintCo Part Number: PSY01-1.5. Piston size 57.44 mm. Clearance 0.06 mm.

Specifications
SKU
VIN-PSY01-1.5
Brand
Vintco
Availability
In Stock (1)

Fitments (7)

MakeModelYear
YAMAHAMX 1251976
YAMAHAYZ 1251976
YAMAHAYZ 1251977
YAMAHAYZ 1251978
YAMAHAYZ 1251979
YAMAHAYZ 1251980
YAMAHAYZ 1251981
SKU
VIN-PSY01-1.5
Brand
Vintco
Availability
In Stock (1)
Delivery5–8 business days
14-Day ReturnsHassle-free
Easy CheckoutCard friendly
Product details

FULL DESCRIPTION

VintCo Piston Kit for Vintage Yamaha MX & YZ 125

Restore your vintage 2-stroke engine with this high-quality VintCo Piston Kit. Engineered for 1976–1981 Yamaha YZ125 and 1976 Yamaha MX125 models, this kit is manufactured in Germany using modern materials and production techniques. It provides an equivalent fit and performance to Original Equipment Manufacturer (OEM) specifications, ensuring a reliable rebuild for your classic motorcycle.

Key Features:

  • Complete piston kit specifically designed for vintage 2-stroke engine rebuilds.
  • Includes all essential components: piston, rings, pin, and clips.
  • Features a forged piston for enhanced durability and strength.
  • Coated surface assists in the running-in process for optimal performance from the start.
  • Offers OEM-equivalent fitment and performance for a seamless integration.
  • Wrist pin bearing is available separately to complete your rebuild needs.
  • Precision manufactured in Germany for superior quality.

Specifications:

  • Piston Size: 57.5 mm
  • Oversize: +1.5 mm
  • Actual Piston Measurement: 57.44 mm
  • Recommended Clearance: 0.06 mm
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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