- Forged 4-stroke piston is designed for each specific engine application and built to the tightest tolerances for the ultimate combination of performance and strength
- Dedicated forgings allow for optimized strength-to-weight ratio
- Ideal for multiple purpose riding
- Kit includes piston, wrist pin, rings and circlips
- Stroke Length:95,00 mm
- Piston Diameter:94.94 mm
- Compression Ratio:12.3:1, 12.5:1
- Displacement:449cc
- Piston Material:Forged 2618 Aluminum
- Fits Nikasil bore cylinder. Kit Includes: • 1x Piston • 1x Ring Set #3741XS • 1x Wrist Pin #S600 • 1x Circlip Set #CW18
Fit the models:
| GAS GAS |
EC 450 F |
2013 |
| GAS GAS |
EC 450 F |
2014 |
| YAMAHA |
WR 450 F |
2013 |
| YAMAHA |
WR 450 F |
2012 |
| YAMAHA |
WR 450 F |
2014 |
| YAMAHA |
WR 450 F |
2006 |
| YAMAHA |
WR 450 F |
2005 |
| YAMAHA |
WR 450 F |
2004 |
| YAMAHA |
WR 450 F |
2003 |
| YAMAHA |
WR 450 F |
2010 |
| YAMAHA |
WR 450 F |
2008 |
| YAMAHA |
WR 450 F |
2007 |
| YAMAHA |
WR 450 F |
2009 |
| YAMAHA |
WR 450 F |
2011 |
| YAMAHA |
YZ 450 F |
2008 |
| YAMAHA |
YZ 450 F |
2006 |
| YAMAHA |
YZ 450 F |
2007 |
| YAMAHA |
YZ 450 F |
2009 |
| YAMAHA |
YZ 450 F |
2003 |
| YAMAHA |
YZ 450 F |
2004 |
| YAMAHA |
YZ 450 F |
2005 |

Since 1940, Wiseco has manufactured forged pistons of outstanding quality for motorcycles, motocross bikes, snowmobiles, and 4-wheeler's. After almost 70 years in the industry, Wiseco has become synonymous with high-quality products that exceed the customer's requirements.
| Brand |
Model |
Year |
Name |
CC |
| YAMAHA |
WR |
2003 |
|
450 |
| YAMAHA |
WR |
2004 |
|
450 |
| YAMAHA |
WR |
2005 |
|
450 |
| YAMAHA |
WR |
2006 |
|
450 |
| YAMAHA |
WR |
2007 |
|
450 |
| YAMAHA |
WR |
2008 |
|
450 |
| YAMAHA |
WR |
2009 |
|
450 |
| YAMAHA |
WR |
2010 |
|
450 |
| YAMAHA |
YZ |
2003 |
|
450 |
| YAMAHA |
YZ |
2004 |
|
450 |
| YAMAHA |
YZ |
2005 |
|
450 |
| YAMAHA |
YZ |
2006 |
|
450 |
| YAMAHA |
YZ |
2007 |
|
450 |
| YAMAHA |
YZ |
2008 |
|
450 |
| YAMAHA |
YZ |
2009 |
|
450 |
| YAMAHA |
YZ |
2006 |
50th Anniversary |
450 |
| YAMAHA |
YZ |
2006 |
50th Anniversary Limited Edition |
450 |
| YAMAHA |
WR |
2011 |
|
450 |
| YAMAHA |
WR |
2003 |
|
450 |
| YAMAHA |
WR |
2004 |
|
450 |
| YAMAHA |
WR |
2005 |
|
450 |
| YAMAHA |
WR |
2006 |
|
450 |
| YAMAHA |
WR |
2007 |
|
450 |
| YAMAHA |
WR |
2008 |
|
450 |
| YAMAHA |
WR |
2009 |
|
450 |
| YAMAHA |
WR |
2010 |
|
450 |
| YAMAHA |
WR |
2011 |
|
450 |
| YAMAHA |
YZ |
2003 |
|
450 |
| YAMAHA |
YZ |
2004 |
|
450 |
| YAMAHA |
YZ |
2005 |
|
450 |
| YAMAHA |
YZ |
2006 |
|
450 |
| YAMAHA |
YZ |
2007 |
|
450 |
| YAMAHA |
YZ |
2008 |
|
450 |
| YAMAHA |
YZ |
2009 |
|
450 |
| YAMAHA |
WR |
2012 |
|
450 |
| YAMAHA |
WR |
2012 |
|
450 |
| GAS GAS |
EC |
2013 |
|
450 |
| YAMAHA |
WR |
2013 |
|
450 |
| YAMAHA |
WR |
2013 |
|
450 |
| YAMAHA |
WR |
2014 |
|
450 |
| YAMAHA |
WR |
2014 |
|
450 |
| GAS GAS |
EC |
2014 |
|
450 |
| GAS GAS |
EC |
2014 |
Racing |
450 |