PISTON KIT 74-75 YAMAHA YZ 250 70.0mm STANDARD VINTCO PSY34-00
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This VintCo piston kit is designed for 1974-1975 Yamaha YZ250 models and provides a replacement piston assembly for vintage 2-stroke engine rebuilds. It is manufactured using modern materials and production methods for OEM-style fit and performance. This kit includes the piston, rings, pin and clips for straightforward installation. The supplied rings are not compatible with the original chrome-plated Yamaha cylinder used on 1974-1975 YZ250 models. A wrist pin bearing is available separately, and additional size options are also available. Features include a complete piston kit, suitability for vintage 2-stroke Yamaha YZ250 engine rebuilds, OEM-style fit and performance, and rings compatible with Nikasil-plated or iron-lined cylinders. Specifications include VintCo Part Number PSY34-00, piston size 70.0 mm standard, piston measurement 69.94 mm, clearance 0.06 mm, forged piston, MoS2 coating for break-in, and made in Germany.
- SKU
- VIN-PSY34-00
- Brand
- Vintco
- Availability
- In Stock (1)
Fitments (2)
| Make | Model | Year |
|---|---|---|
| YAMAHA | YZ 250 | 1974 |
| YAMAHA | YZ 250 | 1975 |
- SKU
- VIN-PSY34-00
- Brand
- Vintco
- Availability
- In Stock (1)
FULL DESCRIPTION
VintCo Piston Kit for Yamaha YZ250 (1974-1975) - 70.0mm Standard
Revitalize your vintage 2-stroke Yamaha YZ250 engine with this VintCo piston kit. Designed for 1974 and 1975 models, this comprehensive kit provides essential components for engine rebuilds, offering OEM-style fit and performance.
Key Features:
- Complete Piston Assembly: Includes piston, high-quality rings, wrist pin, and clips for a hassle-free installation.
- Engineered for Vintage Performance: Manufactured using modern materials and production techniques to match original specifications.
- MoS2 Coated Piston: Features a Molybdenum Disulfide coating for optimized break-in performance.
- Forged Piston Construction: Ensures durability and strength for demanding vintage engine applications.
- Cylinder Compatibility: The included rings are specifically designed for use with Nikasil-plated or iron-lined cylinders.Note: These rings are not compatible with the original chrome-plated Yamaha cylinder found on 1974-1975 YZ250 models.
- Made in Germany: Proudly manufactured in Germany, reflecting a commitment to quality and precision.
Specifications:
- Piston Diameter: 70.0 mm (Standard size)
- Actual Piston Measurement: 69.94 mm
- Recommended Piston Clearance: 0.06 mm
- VintCo Part Number: PSY34-00
Additional Information:
- A compatible wrist pin bearing is available separately to complete your rebuild.
- This kit is available in additional sizes to suit various engine requirements.
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