2Bros Parts

PISTON KIT 73-75 YAMAHA RD 250 55.5mm 1.5mm OVER VINTCO PSY17-1.5

£152.30Only 1 left

4.4 Trustpilot 99.9% positive on eBay

Free UK delivery 2–4 business days

Spread the cost with Klarna 18+, T&Cs apply

1

VintCo piston kit for vintage 2-stroke Yamaha RD250 models from 1973 to 1975. This complete piston assembly includes the piston, rings, pin, and clips. The forged piston features MoS2 coating for running-in and is designed for OEM-level or better fitment and performance. Manufactured in Germany. Piston size is 55.5 mm with an oversize of +1.5 mm. The piston measurement is 55.43 mm with a clearance of 0.07 mm. A wrist pin bearing is sold separately. Additional size options are available.

Specifications
SKU
VIN-PSY17-1.5
Brand
Vintco
Availability
In Stock (1)

Fitments (3)

MakeModelYear
YAMAHARD 2501973
YAMAHARD 2501974
YAMAHARD 2501975
SKU
VIN-PSY17-1.5
Brand
Vintco
Availability
In Stock (1)
Delivery2–4 business days
14-Day ReturnsHassle-free
Easy CheckoutCard friendly
Product details

FULL DESCRIPTION

VintCo Piston Kit 55.5mm +1.5mm Oversize for Yamaha RD250

This VintCo Piston Kit is designed for vintage 2-stroke Yamaha RD250 models from 1973 to 1975. It provides a complete piston assembly, utilizing modern manufacturing techniques and materials to ensure OEM-level or superior fitment and performance for your engine rebuild.

Key Features:

  • Complete piston assembly for vintage Yamaha RD250 2-stroke engines.
  • Includes piston, rings, pin, and clips for a full installation.
  • Forged piston construction for enhanced durability.
  • Features a MoS2 coating for optimized break-in periods.
  • Engineered for precise fitment and reliable performance, meeting or exceeding OEM standards.
  • Wrist pin bearing is sold separately.
  • Additional piston sizes are available to suit various engine specifications.

Specifications:

  • Piston Diameter: 55.5 mm
  • Oversize: +1.5 mm
  • Actual Piston Measurement: 55.43 mm
  • Piston to Cylinder Clearance: 0.07 mm
  • Manufactured in Germany.
Before you buy

QUESTIONS? JUST ASK

Talk to John or Phil. Real people, Monday to Friday, 10:00 to 17:00.

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

By card, PayPal, Apple Pay or Google Pay, or spread the cost with Klarna. Payment is taken securely by Stripe, and the options for your order are shown at checkout.

More answers in our FAQ.

Trade pricing available

Buying parts for your business? Apply for a 2BrosParts trade account.

Apply for Trade
1