Specifications:
- Piston Diameter:66,34 mm
- Displacement:250 cc
- Piston Material:Forged 2618 Aluminum
Fit the models:
| YAMAHA |
YZ 250 |
2006 |
| YAMAHA |
YZ 250 |
2008 |
| YAMAHA |
YZ 250 |
2007 |
| YAMAHA |
YZ 250 |
2009 |
| YAMAHA |
YZ 250 |
2010 |
| YAMAHA |
YZ 250 |
2011 |
| YAMAHA |
YZ 250 |
2005 |
| YAMAHA |
YZ 250 |
2012 |
| YAMAHA |
YZ 250 |
2013 |
| YAMAHA |
YZ 250 |
2014 |
| YAMAHA |
YZ 250 |
2015 |
| YAMAHA |
YZ 250 |
2016 |
| YAMAHA |
YZ 250 |
2017 |
| YAMAHA |
YZ 250 |
1999 |
| YAMAHA |
YZ 250 |
2000 |
| YAMAHA |
YZ 250 |
2001 |
| YAMAHA |
YZ 250 |
2002 |
| YAMAHA |
YZ 250 |
2003 |
| YAMAHA |
YZ 250 |
2004 |
| YAMAHA |
YZ 250 |
2018 |

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 |
YZ |
1999 |
|
250 |
| YAMAHA |
YZ |
2000 |
|
250 |
| YAMAHA |
YZ |
2001 |
|
250 |
| YAMAHA |
YZ |
2001 |
|
250 |
| YAMAHA |
YZ |
2002 |
|
250 |
| YAMAHA |
YZ |
2003 |
|
250 |
| YAMAHA |
YZ |
2002 |
|
250 |
| YAMAHA |
YZ |
2003 |
|
250 |
| YAMAHA |
YZ |
2004 |
|
250 |
| YAMAHA |
YZ |
2004 |
|
250 |
| YAMAHA |
YZ |
2005 |
|
250 |
| YAMAHA |
YZ |
2005 |
|
250 |
| YAMAHA |
YZ |
2006 |
|
250 |
| YAMAHA |
YZ |
2006 |
|
250 |
| YAMAHA |
YZ |
2007 |
|
250 |
| YAMAHA |
YZ |
2007 |
|
250 |
| YAMAHA |
YZ |
2008 |
|
250 |
| YAMAHA |
YZ |
2008 |
|
250 |
| YAMAHA |
YZ |
2009 |
|
250 |
| YAMAHA |
YZ |
2010 |
|
250 |
| YAMAHA |
YZ |
2009 |
|
250 |
| YAMAHA |
YZ |
2010 |
|
250 |
| YAMAHA |
YZ |
2006 |
50th Anniversary Limited Edition |
250 |
| YAMAHA |
YZ |
2011 |
|
250 |
| YAMAHA |
YZ |
2011 |
|
250 |
| YAMAHA |
YZ |
2011 |
|
250 |
| YAMAHA |
YZ |
2012 |
|
250 |
| YAMAHA |
YZ |
2012 |
|
250 |
| YAMAHA |
YZ |
2012 |
|
250 |
| YAMAHA |
YZ |
2006 |
|
250 |
| YAMAHA |
YZ |
2009 |
|
250 |
| YAMAHA |
YZ |
2010 |
|
250 |
| YAMAHA |
YZ |
2011 |
|
250 |
| YAMAHA |
YZ |
2007 |
|
250 |
| YAMAHA |
YZ |
2008 |
|
250 |
| YAMAHA |
YZ |
2013 |
|
250 |
| YAMAHA |
YZ |
1999 |
|
250 |
| YAMAHA |
YZ |
2000 |
|
250 |
| YAMAHA |
YZ |
2001 |
|
250 |
| YAMAHA |
YZ |
2002 |
|
250 |
| YAMAHA |
YZ |
2003 |
|
250 |
| YAMAHA |
YZ |
2004 |
|
250 |
| YAMAHA |
YZ |
2005 |
|
250 |
| YAMAHA |
YZ |
2006 |
50th Anniversary Limited Edition |
250 |
| YAMAHA |
YZ |
2001 |
|
250 |
| YAMAHA |
YZ |
2002 |
|
250 |
| YAMAHA |
YZ |
2003 |
|
250 |
| YAMAHA |
YZ |
2004 |
|
250 |
| YAMAHA |
YZ |
2005 |
|
250 |
| YAMAHA |
YZ |
2006 |
|
250 |
| YAMAHA |
YZ |
2007 |
|
250 |
| YAMAHA |
YZ |
2008 |
|
250 |
| YAMAHA |
YZ |
2009 |
|
250 |
| YAMAHA |
YZ |
2010 |
|
250 |
| YAMAHA |
YZ |
2012 |
|
250 |
| YAMAHA |
YZ |
2013 |
|
250 |
| YAMAHA |
YZ |
2013 |
|
250 |
| YAMAHA |
YZ |
2013 |
|
250 |
| YAMAHA |
YZ |
2014 |
|
250 |
| YAMAHA |
YZ |
2014 |
|
250 |
| YAMAHA |
YZ |
2014 |
|
250 |
| YAMAHA |
YZ |
2014 |
|
250 |
| YAMAHA |
YZ |
2015 |
|
250 |
| YAMAHA |
YZ |
2015 |
|
250 |
| YAMAHA |
YZ |
2015 |
|
250 |
| YAMAHA |
YZ |
2015 |
|
250 |
| YAMAHA |
YZ |
2016 |
|
250 |
| YAMAHA |
YZ |
2016 |
|
250 |
| YAMAHA |
YZ |
2016 |
|
250 |
| YAMAHA |
YZ |
2016 |
|
250 |
| YAMAHA |
YZ |
2016 |
|
250 |
| YAMAHA |
YZ |
2016 |
60th Anniversary |
250 |
| YAMAHA |
YZ |
2015 |
|
250 |
| YAMAHA |
YZ |
2016 |
|
250 |
| YAMAHA |
YZ |
2017 |
|
250 |
| YAMAHA |
YZ |
2017 |
|
250 |
| YAMAHA |
YZ |
2017 |
|
250 |
| YAMAHA |
YZ |
2017 |
|
250 |
| YAMAHA |
YZ |
2017 |
|
250 |
| YAMAHA |
YZ |
2017 |
|
250 |
| YAMAHA |
YZ |
2018 |
|
250 |
| YAMAHA |
YZ |
2018 |
|
250 |
| YAMAHA |
YZ |
2018 |
|
250 |
| YAMAHA |
YZ |
2018 |
|
250 |
| YAMAHA |
YZ |
2018 |
|
250 |