Namura .060 Over Bore Top End Kit for Polaris Sportsman 850 Scrambler 850 88.5mm
Namura .060 Over Bore Top End Kit for Polaris Sportsman 850 Scrambler 850 88.5mm
FREE, Fast Shipping on all orders!
Namura .060 Over Bore Top End Kit for Polaris Sportsman 850 Scrambler 850 88.5mm
This top end kit is a complete cylinder and piston assembly designed to restore performance in Polaris Sportsman 850 and Scrambler 850 engines with a .060 over bore to 88.5mm.
Overview
This top end kit from Namura provides all necessary components for rebuilding the top end of your Polaris Sportsman 850 or Scrambler 850. It includes a cylinder, piston, rings, wrist pin, clips, and gaskets to ensure a reliable repair. With a .060 over bore (88.5mm), this kit effectively cleans up worn cylinder bores and restores compression.
Built For Performance
- Precision-machined cylinder meets OEM specifications for fit and durability
- High-quality piston rings provide consistent seal and oil control
- Complete gasket set prevents leaks and simplifies installation
- Includes wrist pin and clips for secure piston assembly
- .060 oversize allows cleanup of out-of-round or scored cylinders
- Direct replacement for Polaris 850 engines with no modifications required
Fits These Machines
- for Polaris Sportsman 850
- for Polaris Scrambler 850
On-The-Job Use
- Trail riding and recreational off-road use
- Utility and farm work requiring reliable power
- Engine rebuilds after high mileage or overheating
- Restoring compression and performance in worn engines
- Race and sport riding where maximum power is needed
Specs At A Glance
| Bore Size | 88.5mm (.060 oversize) |
| Oversize | .060 in (1.5mm) |
| Kit Type | Top End Kit (cylinder, piston, rings, gaskets) |
| Brand | Namura |
| Compatible Engine | Polaris 850 |
Good To Know
Q: Does this top end kit include the cylinder and piston? A: Yes, the kit includes a new cylinder, piston, rings, wrist pin, clips, and all necessary gaskets for a complete top end rebuild.
Q: Will this .060 over bore kit work with standard bore head gaskets? A: The kit includes appropriate gaskets matched to the oversize bore, so use the supplied gaskets for proper sealing.
Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.
Get it between -
