PISTON KIT 91-91 YAMAHA YZ WR 250 68.5mm 0.5mm OVER VINTCO PSY21-0.5
VintCo piston kit PSY21-0.5 is a replacement piston assembly with piston, rings, pin and clips for engine rebuild work. It features a 68.5 mm diameter with a +0.5 mm oversize and a MoS2 coating to support initial running-in. Manufactured using modern materials and production methods for OEM-style fitment and performance. Piston diameter 68.5 mm, oversize +0.5 mm, piston size 68.44 mm, clearance 0.06 mm. Forged piston construction, made in Germany. VintCo Part Number: PSY21-0.5. Wrist pin bearing sold separately.
- SKU
- VIN-PSY21-0.5
- Brand
- Vintco
- Availability
- Out of Stock
FULL DESCRIPTION
VintCo Piston Kit 68.5mm +0.5mm Oversize
Restore your vintage 2-stroke engine with this high-quality VintCo Piston Kit. Designed for engine rebuilds, this complete kit provides everything you need for a precise fit and optimal performance. Manufactured using modern materials and production methods, it ensures OEM-style reliability.
The included piston features a specialized MoS2 coating, crucial for supporting the initial break-in period and ensuring longevity. This kit is an essential component for anyone undertaking a rebuild on compatible 2-stroke motorcycle engines.
Key Features:
- Complete piston assembly including piston, rings, pin, and clips.
- Engineered for vintage 2-stroke engine rebuilds.
- MoS2 coating aids in smooth engine break-in.
- Forged piston construction for enhanced durability.
- Made in Germany to exacting standards.
Specifications:
- Piston Diameter: 68.5 mm
- Oversize: +0.5 mm
- Actual Piston Size: 68.44 mm
- Clearance: 0.06 mm
Note: Wrist pin bearing is sold separately.