Namura Top-End Rebuild Kit for Polaris 250 Models - 72.96mm - NA-50000-4K
Namura Technologies Top-End Rebuild Kit
- A Top-End rebuild can help to improve the performance of your ride, keeping it running in peak condition.
- With the Namura complete Top-End Rebuild Kit, rebuilding your Top-End no longer expensive and painful
- Namura's Top-End Kits include everything you need to get your ride operational again; pistons, a top-end gasket kit and wrist-pin bearings (where applicable) are all included in this convenient, time saving kit.
Why replace your cylinder when you can replace the piston for a fraction of the cost and time? Namura gives you a higher performance piston without the higher price. Top-End rebuild kits also include Namura's Top-End Gasket Kits, which are manufactured to OE-specs with no trimming or fitment issues. Quality materials mean increased longevity and continued performance. Namura's Top-End Kits include everything you need to get your ride operational again; pistons, a top-end gasket kit and wrist-pin bearings (where applicable) are all included in this convenient, time saving kit.
| Product Line | Namura Top-End Rebuild Kit |
| Part Number | NA-50000-4K |
| Fitment Type | Model-Size Specific Fitment |
| Use Type | Aftermarket Replacement |
| Unit Sale Qty | |
| Style | Oversized Bore Piston Kit |
| Size | 72.96mm |
| Age Group | |
| Gender | |
| Position | |
| Tire Diameter | |
| Speed Rating | |
| Load Rating | |
| Wall Construction | |
| Tire Tube Type | |
| Rim Size | |
| Material | |
| Color | |
| Finish | |
| Functional Length | |
| Cable Sleeve Length | |
| Cable Sleeve Travel | |
| Driver Seat Length | |
| Passenger Seat Length | |
| Driver Seat Width | |
| Passenger Seat Width | |
| Overall Seat Width | |
| Overall Seat Length | |
| Piston/Cylinder Size | 72.96mm |
| Piston Size Added | 1.00mm |
| Cylinder Stroke Volume | |
| Final Engine Displacement | |
| Exhaust Configuration | |
| Muffler Size | |
| Muffler End/Tip Style | |
| Windshield Height | |
| Windshield Width | |
| Handlebar Diameter | |
| California Emissions | FALSE |
| Product Disclaimer |
1985 Polaris Trail Boss 250
1986 Polaris Trail Boss 250
1987 Polaris Trail Boss 250
1988 Polaris Trail Boss 250
1989 Polaris Big Boss 250 4x6 & 6x6
1989 Polaris Trail Boss 250
1990 Polaris Big Boss 250 4x6 & 6x6
1990 Polaris Trail Blazer 250
1990 Polaris Trail Boss 250
1991 Polaris Big Boss 250 4x6 & 6x6
1991 Polaris Trail Blazer 250
1991 Polaris Trail Boss 250
1992 Polaris Big Boss 250 4x6 & 6x6
1992 Polaris Trail Blazer 250
1992 Polaris Trail Boss 250
1993 Polaris Trail Blazer 250
1993 Polaris Trail Boss 250
1994 Polaris Trail Blazer 250
1994 Polaris Trail Boss 250
1995 Polaris Trail Blazer 250
1995 Polaris Trail Boss 250
1996 Polaris Trail Blazer 250
1996 Polaris Trail Boss 250
1997 Polaris Trail Blazer 250
1997 Polaris Trail Boss 250
1998 Polaris Trail Blazer 250
1998 Polaris Trail Boss 250
1999 Polaris Trail Blazer 250
1999 Polaris Trail Boss 250
2000 Polaris Trail Blazer 250
2000 Polaris Xplorer 250
2001 Polaris Trail Blazer 250
2001 Polaris Xplorer 250
2002 Polaris Trail Blazer 250
2002 Polaris Xplorer 250
2003 Polaris Trail Blazer 250
2004 Polaris Trail Blazer 250
2005 Polaris Trail Blazer 250
2006 Polaris Trail Blazer 250
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Namura Technologies Top-End Rebuild Kit
- A Top-End rebuild can help to improve the performance of your ride, keeping it running in peak condition.
- With the Namura complete Top-End Rebuild Kit, rebuilding your Top-End no longer expensive and painful
- Namura's Top-End Kits include everything you need to get your ride operational again; pistons, a top-end gasket kit and wrist-pin bearings (where applicable) are all included in this convenient, time saving kit.
Why replace your cylinder when you can replace the piston for a fraction of the cost and time? Namura gives you a higher performance piston without the higher price. Top-End rebuild kits also include Namura's Top-End Gasket Kits, which are manufactured to OE-specs with no trimming or fitment issues. Quality materials mean increased longevity and continued performance. Namura's Top-End Kits include everything you need to get your ride operational again; pistons, a top-end gasket kit and wrist-pin bearings (where applicable) are all included in this convenient, time saving kit.
| Product Line | Namura Top-End Rebuild Kit |
| Part Number | NA-50000-4K |
| Fitment Type | Model-Size Specific Fitment |
| Use Type | Aftermarket Replacement |
| Unit Sale Qty | |
| Style | Oversized Bore Piston Kit |
| Size | 72.96mm |
| Age Group | |
| Gender | |
| Position | |
| Tire Diameter | |
| Speed Rating | |
| Load Rating | |
| Wall Construction | |
| Tire Tube Type | |
| Rim Size | |
| Material | |
| Color | |
| Finish | |
| Functional Length | |
| Cable Sleeve Length | |
| Cable Sleeve Travel | |
| Driver Seat Length | |
| Passenger Seat Length | |
| Driver Seat Width | |
| Passenger Seat Width | |
| Overall Seat Width | |
| Overall Seat Length | |
| Piston/Cylinder Size | 72.96mm |
| Piston Size Added | 1.00mm |
| Cylinder Stroke Volume | |
| Final Engine Displacement | |
| Exhaust Configuration | |
| Muffler Size | |
| Muffler End/Tip Style | |
| Windshield Height | |
| Windshield Width | |
| Handlebar Diameter | |
| California Emissions | FALSE |
| Product Disclaimer |
1985 Polaris Trail Boss 250
1986 Polaris Trail Boss 250
1987 Polaris Trail Boss 250
1988 Polaris Trail Boss 250
1989 Polaris Big Boss 250 4x6 & 6x6
1989 Polaris Trail Boss 250
1990 Polaris Big Boss 250 4x6 & 6x6
1990 Polaris Trail Blazer 250
1990 Polaris Trail Boss 250
1991 Polaris Big Boss 250 4x6 & 6x6
1991 Polaris Trail Blazer 250
1991 Polaris Trail Boss 250
1992 Polaris Big Boss 250 4x6 & 6x6
1992 Polaris Trail Blazer 250
1992 Polaris Trail Boss 250
1993 Polaris Trail Blazer 250
1993 Polaris Trail Boss 250
1994 Polaris Trail Blazer 250
1994 Polaris Trail Boss 250
1995 Polaris Trail Blazer 250
1995 Polaris Trail Boss 250
1996 Polaris Trail Blazer 250
1996 Polaris Trail Boss 250
1997 Polaris Trail Blazer 250
1997 Polaris Trail Boss 250
1998 Polaris Trail Blazer 250
1998 Polaris Trail Boss 250
1999 Polaris Trail Blazer 250
1999 Polaris Trail Boss 250
2000 Polaris Trail Blazer 250
2000 Polaris Xplorer 250
2001 Polaris Trail Blazer 250
2001 Polaris Xplorer 250
2002 Polaris Trail Blazer 250
2002 Polaris Xplorer 250
2003 Polaris Trail Blazer 250
2004 Polaris Trail Blazer 250
2005 Polaris Trail Blazer 250
2006 Polaris Trail Blazer 250
