Namura Standard Bore Piston Kit for Polaris Sportsman 90 2001-2006 Models 52mm
Namura Standard Bore Piston Kit for Polaris Sportsman 90 2001-2006 Models 52mm
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Namura Standard Bore Piston Kit for Polaris Sportsman 90 2001-2006 Models
This Namura Standard Bore Piston Kit for Polaris Sportsman 90 (2001-2006) is a replacement piston assembly designed to restore engine performance, with a 52mm bore size.
Overview
This Namura Standard Bore Piston Kit is a direct replacement for Polaris Sportsman 90 engines from 2001 to 2006. It includes a 52mm piston, rings, and pin to renew compression and power in your youth ATV.
Built For Performance
- 52mm standard bore size for stock engine rebuilds
- Includes piston, rings, and wrist pin for complete replacement
- High-strength aluminum alloy for durability
- Precision machined for exact fitment
- Reduces engine wear and restores lost performance
Fits These Machines
- for Polaris Sportsman 90 (2001-2006)
On-The-Job Use
- Youth ATV trail riding
- Farm and utility light-duty use
- Recreational riding for beginners
Specs At A Glance
| Bore Size | 52mm |
| Type | Standard Bore Piston Kit |
| Fitment | Polaris Sportsman 90 2001-2006 |
Good To Know
Q: Do I need to hone the cylinder before installing this piston? A: Yes, for best results, the cylinder should be honed to the correct crosshatch pattern to seat the new rings properly.
Q: What is the recommended ring gap for this piston? A: Follow the manufacturer’s specification, typically around 0.004-0.006 inches per inch of bore diameter; check the included instructions.
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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