PISTON KIT 76-81 YAMAHA MX YZ 125 57.0mm 1.0mm OVER VINTCO PSY01-1.0
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This VintCo piston kit features a 57.0 mm forged piston in +1.0 mm oversize, along with rings, pin and clips, for vintage 2-stroke engine service and rebuild work. The piston is manufactured in Germany using modern methods for OEM-style fitment and includes a MoS2 coating for running-in. A wrist pin bearing is available separately. Specifications include VintCo Part Number PSY01-1.0, item category Piston Kits, piston diameter 57.0 mm, oversize +1.0 mm, piston size 56.94 mm, clearance 0.06 mm, forged piston construction, and manufactured in Germany. Cross-reference OEM part numbers: 537-11638-02-00, 2K6-11638-00-00, 3R3-11638-00-00, 3N8-11638-10-00.
- SKU
- VIN-PSY01-1.0
- Brand
- Vintco
- Availability
- In Stock (1)
Fitments (7)
| Make | Model | Year |
|---|---|---|
| YAMAHA | MX 125 | 1976 |
| YAMAHA | YZ 125 | 1976 |
| YAMAHA | YZ 125 | 1977 |
| YAMAHA | YZ 125 | 1978 |
| YAMAHA | YZ 125 | 1979 |
| YAMAHA | YZ 125 | 1980 |
| YAMAHA | YZ 125 | 1981 |
- SKU
- VIN-PSY01-1.0
- Brand
- Vintco
- Availability
- In Stock (1)
FULL DESCRIPTION
VintCo Piston Kit for Vintage Yamaha MX and YZ 125
Restore the power and performance of your vintage Yamaha motorcycle with this premium VintCo piston kit. Engineered for 1976–1981 Yamaha YZ125 and 1976 Yamaha MX125 models, this kit is specifically designed for classic 2-stroke engine rebuilds. Experience OEM-style fitment and reliability thanks to modern manufacturing techniques used in Germany.
Key Features:
- Complete piston kit includes piston, rings, pin, and clips.
- Forged piston construction ensures durability and performance.
- MoS2 coating aids in the break-in process for optimal engine health.
- Manufactured in Germany with precision for a perfect fit.
- Designed for vintage 2-stroke Yamaha applications.
- Wrist pin bearing is available separately to complete your rebuild.
- Multiple oversize options are available to suit your specific needs.
Specifications:
- Piston Diameter: 57.0 mm
- Oversize: +1.0 mm
- Piston Size: 56.94 mm
- Clearance: 0.06 mm
- Construction: Forged
- Country of Manufacture: Germany
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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.
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