The Namura NA-50024-2 piston kit is designed for select Polaris 325 ATV applications requiring a 78.45 mm oversize piston. This replacement piston kit supports engine rebuilding and cylinder restoration when paired with the appropriate overbore machining. The kit is intended for a +0.50 mm oversize application and is manufactured for dependable performance in compatible Polaris engines.
Fitment: Compatible with 2000–2002 Polaris Magnum 325 2X4, 2000–2002 Polaris Magnum 325 4X4, 2000–2002 Polaris Trail Boss 325, and the 2000 Polaris Xpedition 325. Verify the engine, cylinder bore, and year before installation to ensure proper application.
Important compatibility note: This Namura piston kit will not accept OEM piston rings, and the included or specified rings will not work with an OEM piston. Use the correct Namura ring set and ensure all piston, ring, cylinder, and clearance specifications are confirmed during assembly. Professional installation is recommended for accurate cylinder preparation and reliable engine operation.
Manufactured by Namura and identified by manufacturer part number NA-50024-2, this piston kit is a direct replacement-style component for qualifying Polaris 325 powertrains. The piston size, oversize specification, and engine fitment should be matched carefully before ordering or beginning an engine rebuild.
Features:
- Size: 78.45 mm piston diameter for a +0.50 mm oversize application
- Model: Piston kit for compatible Polaris 325 ATV engines
- Brand: Namura
- Manufacturer Part Number: NA-50024-2
- Vendor Part Number: NA-50024-2
- Fitment: 2000–2002 Polaris Magnum 325 2X4 and 4X4, 2000–2002 Polaris Trail Boss 325, and 2000 Polaris Xpedition 325
- Compatibility: Will not accept OEM piston rings, and the specified rings will not work on an OEM piston
Fitment:
2000 Polaris Magnum 325 2X4
2000 Polaris Magnum 325 4X4
2000 Polaris Trail Boss 325
2000 Polaris Xpedition 325
2001 Polaris Magnum 325 2X4
2001 Polaris Magnum 325 4X4
2001 Polaris Trail Boss 325
2001 Polaris Xpedition 325
2002 Polaris Magnum 325 2X4
2002 Polaris Magnum 325 4X4
2002 Polaris Trail Boss 325
2002 Polaris Xpedition 325