PISTON KIT 76-78 YAMAHA YZ IT 400 86.0mm 1.0mm OVER VINTCO PSY04-1.0
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VintCo piston kit for vintage 2-stroke engines, includes piston, rings, pin, and clips. Forged piston made in Germany with MoS2 break-in coating and a 1.0 mm oversize configuration. Piston size is 86.0 mm, oversize is +1.0 mm, piston measurement is 85.92 mm, clearance is 0.08 mm. VintCo Part Number: PSY04-1.0. Cross-reference OEM Part Number: 2K8-11638-00-00.
- SKU
- VIN-PSY04-1.0
- 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-PSY04-1.0
- Brand
- Vintco
- Availability
- In Stock (1)
FULL DESCRIPTION
VintCo Piston Kit for Vintage Yamaha YZ/IT 400
This VintCo piston kit provides essential components for replacing the piston in vintage 2-stroke Yamaha YZ400 and IT400 engines. Manufactured with modern materials and production techniques, this kit ensures OEM-equivalent fitment and performance for your classic motorcycle.
Key Features:
- Complete piston kit includes piston, rings, pin, and clips.
- Designed for vintage 2-stroke engine rebuilds.
- Engineered for OEM-equivalent fitment and performance.
- Features a MoS2 break-in coating for enhanced durability during initial operation.
- Forged piston construction ensures strength and reliability.
- Manufactured in Germany for high-quality standards.
- This is a 1.0 mm oversize piston kit.
- Wrist pin bearing is sold separately.
- Additional piston sizes are available to suit various needs.
Specifications:
- Piston Size: 86.0 mm
- Oversize: +1.0 mm
- Piston Measurement: 85.92 mm
- Clearance: 0.08 mm
- Piston Construction: Forged
- Country of Manufacture: Germany
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.
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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