WOSSNER offers you a high-performance 2-stroke piston kit designed for optimum precision fit and maximum combustion efficiency. Manufactured with high-quality materials and advanced manufacturing technology, it reduces internal friction, limits compression losses and improves engine stability throughout the rev range. Its design also provides better thermal management to reduce the risk of overheating and premature wear. Ideal for sporty or demanding use, it helps extend the life of the top drive while maintaining consistent, reliable performance.

Fits on :

YAMAHA YZ 250 2017

YAMAHA YZ 250 2016

YAMAHA YZ 250 2015

YAMAHA YZ 250 2014

YAMAHA YZ 250 2013

YAMAHA YZ 250 2012

YAMAHA YZ 250 2011

YAMAHA YZ 250 2010

YAMAHA YZ 250 2009

YAMAHA YZ 250 2008

YAMAHA YZ 250 2007

YAMAHA YZ 250 2006

YAMAHA YZ 250 2005

YAMAHA YZ 250 2004

YAMAHA YZ 250 2003

YAMAHA YZ 250 2002

YAMAHA YZ 250 2001

YAMAHA YZ 250 2000

YAMAHA YZ 250 1999