PISTON KIT 76-78 YAMAHA YZ IT 400 85.5mm 0.5mm OVER VINTCO PSY04-0.5
4.4 Trustpilot 99.9% positive on eBay
Delivery to United States 5–8 business days
Spread the cost with 
Piston kit for 1976-1978 Yamaha YZ400 and 1976 Yamaha IT400. This VintCo kit is for vintage 2-stroke engine rebuilds and includes the piston, rings, pin, and clips. It is produced using modern materials and manufacturing techniques for OEM-equivalent fit and performance. A wrist pin bearing is available separately. Specifications: VintCo Part Number PSY04-0.5, Piston size 85.5 mm, Oversize +0.5 mm, Piston measurement 85.42 mm, Clearance 0.08 mm, Forged piston with MoS2 coating, Made in Germany. Cross-reference OEM part number 2K8-11636-00-00.
- SKU
- VIN-PSY04-0.5
- Brand
- Vintco
- Availability
- In Stock (1)
Fitments (4)
| Make | Model | Year |
|---|---|---|
| YAMAHA | IT 400 | 1976 |
| YAMAHA | YZ 400 | 1976 |
| YAMAHA | YZ 400 | 1977 |
| YAMAHA | YZ 400 | 1978 |
- SKU
- VIN-PSY04-0.5
- Brand
- Vintco
- Availability
- In Stock (1)
FULL DESCRIPTION
VintCo Piston Kit for Yamaha Vintage 2-Stroke Engines
Revitalize your vintage Yamaha motorcycle with this VintCo Piston Kit. Engineered for precision and durability, this kit is designed to meet the demands of classic 2-stroke engine rebuilds. It provides the essential components for restoring optimal performance and reliability to your engine.
Key Features:
- Complete Piston Kit: Includes the piston, rings, pin, and clips for a comprehensive replacement.
- Forged Piston Construction: Offers superior strength and resistance to wear.
- MoS2 Coating: Enhances lubrication and reduces friction for smoother operation.
- Modern Materials and Manufacturing: Utilizes advanced techniques for an OEM equivalent fit and performance.
- Designed for Vintage Applications: Specifically intended for classic Yamaha 2-stroke motorcycles.
- Wrist Pin Bearing: Please note that the wrist pin bearing is sold separately.
Specifications:
- Piston Size: 85.5 mm
- Oversize: +0.5 mm
- Piston Measurement: 85.42 mm
- Clearance: 0.08 mm
- Country of Manufacture: Germany
Reference OEM Part Number:
- 2K8-11636-00-00
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
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.
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.
Trade pricing available
Buying parts for your business? Apply for a 2BrosParts trade account.