PISTON KIT 91-91 YAMAHA YZ WR 250 69mm 1.0mm OVER VINTCO PSY21-1.0
Vintco Piston Kit 69mm 1.0mm Over. This Vintco piston kit is a replacement assembly for 1991 Yamaha YZ250 and WR250 2-stroke models. The kit includes the piston, rings, pin and clips, and is intended for 69 mm applications with a +1.0 mm oversize. Features: Complete piston kit including piston, rings, pin and clips. Suitable for vintage 2-stroke engine rebuilds. Forged piston. MoS2 coated for running-in. Wrist pin bearing available separately. Made in Germany. Specifications: Vintco Part Number: PSY21-1.0. Piston size: 69 mm. Oversize: +1.0 mm. Piston measurement: 68.94 mm. Clearance: 0.06 mm.
- SKU
- VIN-PSY21-1.0
- Brand
- Vintco
- Availability
- Out of Stock
FULL DESCRIPTION
VintCo Piston Kit - Enhanced Performance and Durability
Restore your vintage 2-stroke motorcycle with the VintCo Piston Kit. Engineered using modern manufacturing techniques and premium materials, this kit offers an OEM-equivalent fit and exceptional performance. It is specifically designed for engine rebuilds requiring a precise fit and lasting durability.
Key Features:
- Complete Kit: Includes a high-quality forged piston, essential rings, a strong wrist pin, and secure clips for a straightforward installation.
- Forged Piston: Crafted from forged aluminum for superior strength and resistance to heat and stress.
- MoS2 Coating: Features a Molybdenum Disulfide (MoS2) coating on the piston skirt, facilitating a smooth break-in period and reducing initial wear.
- German Engineering: Manufactured in Germany, ensuring adherence to strict quality standards and precision.
- Vintage Application: Ideal for rebuilding 1991 Yamaha YZ250 and WR250 models.
Specifications:
- Piston Size: 69 mm
- Oversize: +1.0 mm
- Actual Piston Measurement: 68.94 mm
- Designed Clearance: 0.06 mm
Note: Wrist pin bearing is available separately.