
Namura Oversized Piston Kit for Yamaha YFB250 / YFM250 Models - 72.45mm - NA-40015-6
Namura Technologies Piston Kit
- Namura gives you a higher performance piston without the higher price
- MOS2 Coated Skirts increase heat transfer and reduce friction to eliminate cold seizures.
- Higher silicon content reduces expansion rates and increasesÊwear resistance.
- Machined Smooth Heads Reflect combustion heat and reduces carbon buildup.
- Namura piston kits come with the piston, a set of OEM quality rings, a wrist pin, and circlips.
Why replace your cylinder when you can replace the piston for a fraction of the cost and time? Namura offers direct replacements for the original equipment as well as hi-compression and a variety of bore sizes to meet your ride's needs. MOS2 (Teflon/Molybdenum) Coated Skirts increased heat transfer, reduced friction, and helping to eliminate cold seizures. Machined Smooth Heads Reflect combustion heat and reduces carbon buildup, protecting the top of the piston. Anodized Domes Increase heat resistance and durability; anodized domes are 75% stronger than non-anodized pistons. Hyper-eutectic Casting Process Provides higher silicon content for reduced expansion rates and additional wear resistance. Namura gives you a higher performance piston without the higher price. Namura piston kits come with the piston individually wrapped, a set of OEM quality rings packed in their own box, a wrist pin, and circlips.
| Product Line | Namura Piston Kit |
| Part Number | NA-40015-6 |
| Fitment Type | Model-Size-Specific Fitment |
| Use Type | Aftermarket Replaceent |
| Unit Sale Qty | |
| Style | Oversized Piston Kit |
| Position | |
| Material | |
| Finish | |
| Piston/Cylinder Size | 72.45mm |
| Piston Size Added | 1.50mm |
| Cylinder Stroke Volume | |
| Final Engine Displacement | |
| California Emissions | FALSE |
| Product Disclaimer | |
| Fitment Note | |
| Fitment Note | |
| Fitment Note | |
| Fitment Note | |
| Fitment Note |
2009 Yamaha YFM250B Big Bear
2008 Yamaha YFM250B Big Bear
2007 Yamaha YFM250B Big Bear
2006 Yamaha YFM250B Bruin
2005 Yamaha YFM250B Bruin
2004 Yamaha YFM250X Bear Tracker
2003 Yamaha YFM250X Bear Tracker
2002 Yamaha YFM250X Bear Tracker
2001 Yamaha YFM250X Bear Tracker
2000 Yamaha YFM250X Bear Tracker
2000 Yamaha YFB250FW Timberwolf
1999 Yamaha YFM250X Bear Tracker
1999 Yamaha YFB250FW Timberwolf
1998 Yamaha YFB250FW Timberwolf
1998 Yamaha YFB250 Timberwolf
1997 Yamaha YFB250FW Timberwolf
1997 Yamaha YFB250 Timberwolf
1996 Yamaha YFB250FW Timberwolf
1996 Yamaha YFB250 Timberwolf
1995 Yamaha YFB250FW Timberwolf
1995 Yamaha YFB250 Timberwolf
1994 Yamaha YFB250FW Timberwolf
1994 Yamaha YFB250 Timberwolf
1993 Yamaha YFB250 Timberwolf
1992 Yamaha YFB250 Timberwolf
Original: $39.00
-65%$39.00
$13.65Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Namura Technologies Piston Kit
- Namura gives you a higher performance piston without the higher price
- MOS2 Coated Skirts increase heat transfer and reduce friction to eliminate cold seizures.
- Higher silicon content reduces expansion rates and increasesÊwear resistance.
- Machined Smooth Heads Reflect combustion heat and reduces carbon buildup.
- Namura piston kits come with the piston, a set of OEM quality rings, a wrist pin, and circlips.
Why replace your cylinder when you can replace the piston for a fraction of the cost and time? Namura offers direct replacements for the original equipment as well as hi-compression and a variety of bore sizes to meet your ride's needs. MOS2 (Teflon/Molybdenum) Coated Skirts increased heat transfer, reduced friction, and helping to eliminate cold seizures. Machined Smooth Heads Reflect combustion heat and reduces carbon buildup, protecting the top of the piston. Anodized Domes Increase heat resistance and durability; anodized domes are 75% stronger than non-anodized pistons. Hyper-eutectic Casting Process Provides higher silicon content for reduced expansion rates and additional wear resistance. Namura gives you a higher performance piston without the higher price. Namura piston kits come with the piston individually wrapped, a set of OEM quality rings packed in their own box, a wrist pin, and circlips.
| Product Line | Namura Piston Kit |
| Part Number | NA-40015-6 |
| Fitment Type | Model-Size-Specific Fitment |
| Use Type | Aftermarket Replaceent |
| Unit Sale Qty | |
| Style | Oversized Piston Kit |
| Position | |
| Material | |
| Finish | |
| Piston/Cylinder Size | 72.45mm |
| Piston Size Added | 1.50mm |
| Cylinder Stroke Volume | |
| Final Engine Displacement | |
| California Emissions | FALSE |
| Product Disclaimer | |
| Fitment Note | |
| Fitment Note | |
| Fitment Note | |
| Fitment Note | |
| Fitment Note |
2009 Yamaha YFM250B Big Bear
2008 Yamaha YFM250B Big Bear
2007 Yamaha YFM250B Big Bear
2006 Yamaha YFM250B Bruin
2005 Yamaha YFM250B Bruin
2004 Yamaha YFM250X Bear Tracker
2003 Yamaha YFM250X Bear Tracker
2002 Yamaha YFM250X Bear Tracker
2001 Yamaha YFM250X Bear Tracker
2000 Yamaha YFM250X Bear Tracker
2000 Yamaha YFB250FW Timberwolf
1999 Yamaha YFM250X Bear Tracker
1999 Yamaha YFB250FW Timberwolf
1998 Yamaha YFB250FW Timberwolf
1998 Yamaha YFB250 Timberwolf
1997 Yamaha YFB250FW Timberwolf
1997 Yamaha YFB250 Timberwolf
1996 Yamaha YFB250FW Timberwolf
1996 Yamaha YFB250 Timberwolf
1995 Yamaha YFB250FW Timberwolf
1995 Yamaha YFB250 Timberwolf
1994 Yamaha YFB250FW Timberwolf
1994 Yamaha YFB250 Timberwolf
1993 Yamaha YFB250 Timberwolf
1992 Yamaha YFB250 Timberwolf






















