PISTON KIT 82-84 YAMAHA IT YZ 490 88.5mm OVER VINTCO PSY20-1.5
VintCo PSY20-1.5 piston kit for Yamaha IT490 and YZ490 vintage 2-stroke engines. Nominal size 88.5 mm with a +1.5 mm oversize. Kit includes piston, rings, pin, and clips. Forged piston made in Germany with MoS2 coating for break-in. Wrist pin bearing sold separately. Additional sizes available. Piston size 88.42 mm, clearance 0.08 mm.
- SKU
- VIN-PSY20-1.5
- Brand
- Vintco
- Availability
- Out of Stock
FULL DESCRIPTION
VintCo Piston Kit for Vintage Yamaha 490cc 2-Stroke Engines
Restore the performance of your vintage Yamaha IT490 or YZ490 with this high-quality VintCo piston kit. Specifically designed for 2-stroke engine rebuilds, this kit offers OEM-comparable fit and performance using modern manufacturing techniques and materials.
This piston kit is supplied in a nominal 88.5 mm size, representing a +1.5 mm oversize. The forged piston is manufactured in Germany and features an MoS2 coating to aid in the running-in process, ensuring smoother operation from the start.
Key Features:
- Complete piston kit for vintage Yamaha IT490 and YZ490 models.
- Includes piston, rings, wrist pin, and clips for a comprehensive rebuild solution.
- Engineered for OEM-comparable fit and performance.
- Forged construction provides durability and strength.
- MoS2 coating assists in the initial running-in period.
- Manufactured in Germany for quality assurance.
- Wrist pin bearing is available separately.
- Additional piston sizes are available for various engine needs.
Specifications:
- Nominal Size: 88.5 mm
- Oversize: +1.5 mm
- Piston Diameter: 88.42 mm
- Clearance: 0.08 mm
- Manufacturing Process: Forged
- Coating: MoS2
- Country of Manufacture: Germany