CYLINDER WORKS offers this replacement cylinder for your YAMAHA YZF 450cc, YAMAHA YFZ 450cc and YAMAHA WRF 450cc motocrosser. This cylinder has exactly the same characteristics as the original one. The diagrams, however, have been slightly enlarged to boost performance at high revs, without neglecting torque. The quality is excellent, as is the finish. The nyckasil is of good quality, as is the aluminum used for this top-end engine, guaranteeing reliability and performance. It's an excellent alternative for refurbishing your motor. We strongly advise you to take with this cylinder a VERTEX piston for increased reliability.

Fits on:

YAMAHA WR 450 F (CJ12) 2007

YAMAHA WR 450 F (CJ13) 2011

YAMAHA WR 450 F (CJ13) 2010

YAMAHA WR 450 F (CJ13) 2009

YAMAHA WR 450 F (CJ13) 2008

YAMAHA WR 450 F (DJ03) 2015

YAMAHA WR 450 F (DJ03) 2014

YAMAHA WR 450 F (DJ03) 2013

YAMAHA WR 450 F (DJ03) 2012

YAMAHA YFZ 450 R 2WD 2021

YAMAHA YFZ 450 R 2WD 2020

YAMAHA YFZ 450 R 2WD 2019

YAMAHA YFZ 450 R 2WD 2018

YAMAHA YFZ 450 R 2WD 2017

YAMAHA YFZ 450 R 2WD 2016

YAMAHA YFZ 450 R 2WD 2015

YAMAHA YFZ 450 R 2WD 2014

YAMAHA YFZ 450 R 2WD 2013

YAMAHA YFZ 450 R 2WD 2012

YAMAHA YFZ 450 R 2WD 2011

YAMAHA YFZ 450 R 2WD 2010

YAMAHA YFZ 450 R 2WD 2009

YAMAHA YFZ 450 R SPECIAL EDITION 2WD 2021

YAMAHA YFZ 450 R SPECIAL EDITION 2WD 2020

YAMAHA YFZ 450 R SPECIAL EDITION 2WD 2019

YAMAHA YFZ 450 R SPECIAL EDITION 2WD 2018

YAMAHA YFZ 450 R SPECIAL EDITION 2WD 2017

YAMAHA YFZ 450 R SPECIAL EDITION 2WD 2016

YAMAHA YFZ 450 R SPECIAL EDITION 2WD 2015

YAMAHA YFZ 450 R SPECIAL EDITION 2WD 2014

YAMAHA YFZ 450 R SPECIAL EDITION 2WD 2013

YAMAHA YFZ 450 R SPECIAL EDITION 2WD 2012

YAMAHA YFZ 450 R SPECIAL EDITION 2WD 2011

YAMAHA YFZ 450 R SPECIAL EDITION 2WD 2010

YAMAHA YFZ 450 R SPECIAL EDITION 2WD 2009

YAMAHA YZ 450 F (CJ10) 2009

YAMAHA YZ 450 F (CJ10) 2008

YAMAHA YZ 450 F (CJ10) 2007

YAMAHA YZ 450 F (CJ10) 2006