2 SPI .020 Over Bore Piston Kits for Yamaha many Phazer Venture 480 500 72.5mm

2 .020 Over Bore Piston Kits for Yamaha

This set of two aftermarket .020 over bore piston kits provides a direct replacement for Yamaha Phazer and Venture snowmobile engines, featuring a 72.5mm bore size. Each kit includes a piston, rings, pin, and clips for a complete top-end rebuild.

Overview

These .020 over bore piston kits for Yamaha are designed to fit many Phazer and Venture models with 480 or 500cc engines, offering a 72.5mm bore for a precise .020 over size. They are ideal for engine rebuilds or performance restoration on these popular snowmobiles.

Built For Performance

• Precision-cast from high-strength aluminum alloy for reliability
• Includes piston, ring set, wrist pin, and retaining clips
• Machined to .020 over bore (72.5mm) for worn cylinder restoration
• Compatible with Yamaha 480 and 500cc two-stroke engines
• Designed as a direct-fit replacement for many Phazer and Venture models

Fits These Machines

• for Yamaha Phazer (480/500cc)
• for Yamaha Venture (480/500cc)

On-The-Job Use

• Engine top-end rebuild for snowmobiles
• Restoring compression and power in older Phazer or Venture models
• Trail riding and recreational use after engine refresh

Specs At A Glance

Good To Know

Q: Are these piston kits for standard bore or overbore? A: These are .020 over bore (72.5mm) kits, intended for use after boring the cylinder to that size.

Q: Do these fit the Yamaha Phazer II or Venture Lite? A: They fit many Phazer and Venture models with 480 or 500cc engines; always verify engine displacement and bore requirements before installing.

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