SPI .020 Over Bore Top End Kit for Yamaha 480 Phazer & Venture 1991-1999 72.5mm

.020 Over Bore Top End Kit for Yamaha

This .020 over bore top end kit is a replacement for Yamaha 480 Phazer and Venture models from 1991 to 1999, utilizing a 72.5mm bore size to restore engine performance.

Overview

This top end kit delivers a .020 over bore solution for Yamaha 480 Phazer and Venture engines. It includes all necessary components to rebuild the cylinder top end, ensuring a proper fit for the 72.5mm bore. This kit is ideal for restoring compression and power in these specific Yamaha models.

Built For Performance

• Precision machined to .020 over bore specification for exact fitment
• Includes piston rings, wrist pin, and circlips for a complete top end rebuild
• 72.5mm bore size matched to Yamaha 480 engine specifications
• Designed to withstand high temperatures for reliable operation

Fits These Machines

• for Yamaha 480 Phazer (1991-1999)
• for Yamaha 480 Venture (1991-1999)

On-The-Job Use

• Restoring top end performance on older Yamaha snowmobiles
• Rebuilding engines after wear or damage requiring overbore
• Providing a cost-effective alternative to new cylinder replacement

Specs At A Glance

Good To Know

Q: Does this kit include a cylinder? A: No, this is a top end kit with internal components only; the cylinder is not included.

Q: Is this kit compatible with other Yamaha models? A: This kit is specifically designed for the 480 engine in Phazer and Venture models; other models may require different components.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.