SPI .020 Over Bore Piston Kit for Yamaha many Phazer Venture 480 & 500 72.5mm
SPI .020 Over Bore Piston Kit for Yamaha many Phazer Venture 480 & 500 72.5mm
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SPI .020 Over Bore Piston Kit for Yamaha
This SPI .020 over bore piston kit is designed for Yamaha Phazer and Venture 480/500 snowmobile engines, providing a direct replacement to restore compression and performance. The kit includes a 72.5mm piston (0.020 in oversize) along with rings and wrist pin for a complete top-end overhaul.
Overview
This SPI .020 over bore piston kit is engineered for Yamaha Phazer and Venture 480/500 engines, delivering a precise fit and reliable power restoration. The 72.5mm piston replaces worn factory pistons and is ideal for rebuilding snowmobile engines to like-new condition. Whether you're refreshing an old Phazer or repairing a Venture 500, this kit offers a cost-effective solution.
Built For Performance
- Precision-machined 72.5mm piston (0.020 in oversize) for a tight cylinder fit
- Durable cast or forged construction (confirm with manufacturer) to withstand high temperatures
- Includes piston rings, wrist pin, and circlips for a complete installation
- Designed to restore compression and reduce oil consumption in worn engines
- Compatible with Yamaha Phazer and Venture 480/500 models requiring a 0.020 over bore
Fits These Machines
- for Yamaha Phazer (various years with 480/500cc engines)
- for Yamaha Venture 480
- for Yamaha Venture 500
On-The-Job Use
- Rebuilding top-end of Yamaha Phazer snowmobile engines
- Overhauling Yamaha Venture 480/500 engines for restored performance
- Performing cylinder honing and piston replacement during engine rebuilds
- Replacing worn or seized pistons to extend engine life
Specs At A Glance
| Product Type | .020 Over Bore Piston Kit |
| Bore Size | 72.5mm (0.020 in oversize) |
| Compatible With | Yamaha Phazer & Venture 480/500 |
| Kit Includes | Piston, rings, wrist pin, circlips |
Good To Know
Q: Is this a complete piston kit?A: Yes, the kit includes the piston, piston rings, wrist pin, and circlips needed for installation. Additional gaskets and seals are sold separately.
Q: What is the compression ratio for this piston?A: The compression ratio matches the original equipment specification; refer to your service manual for exact data.
Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.
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