SPI .040 Over Bore Piston Kit for Ski-Doo 500 Fan Cooled Sleds 73mm SEE DESC
SPI .040 Over Bore Piston Kit for Ski-Doo 500 Fan Cooled Sleds 73mm SEE DESC
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SPI .040 Over Bore Piston Kit for Ski-Doo
This SPI .040 over bore piston kit is a 73mm replacement for Ski-Doo 500 fan cooled snowmobiles, restoring compression and engine performance.
Overview
This SPI .040 over bore piston kit is designed for Ski-Doo 500 fan cooled sleds, providing a 73mm bore size to refresh worn cylinders. It offers a reliable solution for restoring compression and power in two-stroke snowmobile engines.
Built For Performance
- .040 over bore sizing compensates for cylinder wear
- 73mm piston diameter matches the Ski-Doo 500 fan cooled specification
- Includes piston, rings, and wrist pin for a complete replacement
- Manufactured by SPI for quality and fitment
- Designed for use with fan cooled engines to ensure proper cooling
Fits These Machines
- for Ski-Doo 500 Fan Cooled Sleds
On-The-Job Use
- Snowmobiling and trail riding
- Recreational winter sports
- Engine rebuilds and top-end overhauls
Specs At A Glance
| Bore Size | 73mm |
| Overbore | .040 |
| Piston Type | Two-stroke |
| Application | Ski-Doo 500 Fan Cooled |
Good To Know
Q: Is this piston kit compatible with liquid cooled Ski-Doo models? A: No, this kit is specifically for fan cooled Ski-Doo 500 sleds; liquid cooled models use different piston specifications.
Q: Do I need to bore the cylinder to use this .040 over piston? A: Yes, the cylinder must be bored to .040 over size to match the piston's increased diameter for proper clearance.
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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