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YOSHIMURA offers this power valve for HONDA CRF 150, CRF 230, CRF 250 and CAN-AM DS 450, DS 450 X, DS 450 XXC 2007-2027. Many two-stroke engines have an exhaust power valve: a blade that changes the height of the exhaust port according to revs.
The benefits:
Founded in Japan in 1954 by Hideo 'Pops' Yoshimura, the brand won the very first Suzuka 8 Hours in 1978. Its American branch, based in California since 1971, has collected more than 30 AMA, WORCS and GNCC titles since 1999.
A scored or oval cylinder, or one with damaged plating, loses compression and wears the piston quickly. Measure the bore at every top-end rebuild: beyond the wear limit the cylinder must be replaced or resleeved.
Cross-Mania tip: Check the diameter of the supplied or required piston and replace the top-end gaskets. A big bore may require carburation or fuel-injection adjustment.
Check the exact model and year of your bike in the list below before ordering.
Fits:
CAN-AM DS 450 2009
CAN-AM DS 450 2008
CAN-AM DS 450 X 2009
CAN-AM DS 450 X 2008
CAN-AM DS 450 XXC 2009
HONDA CRF 150 2027
HONDA CRF 150 2026
HONDA CRF 150 2025
HONDA CRF 150 2024
HONDA CRF 150 2023
HONDA CRF 150 2022
HONDA CRF 150 2021
HONDA CRF 150 2020
HONDA CRF 150 2019
HONDA CRF 150 2018
HONDA CRF 150 2017
HONDA CRF 150 2016
HONDA CRF 150 2015
HONDA CRF 150 2014
HONDA CRF 150 2013
HONDA CRF 150 2012
HONDA CRF 150 2011
HONDA CRF 150 2010
HONDA CRF 150 2009
HONDA CRF 150 2008
HONDA CRF 150 2007
HONDA CRF 230 2019
HONDA CRF 230 2018
HONDA CRF 230 2017
HONDA CRF 230 2016
HONDA CRF 230 2015
HONDA CRF 230 2014
HONDA CRF 230 2013
HONDA CRF 230 2012
HONDA CRF 230 2011
HONDA CRF 230 2010
HONDA CRF 250 2024
HONDA CRF 250 2023
HONDA CRF 250 2022
HONDA CRF 250 2021
HONDA CRF 250 2020
HONDA CRF 250 2019
Click on your bike to see all compatible parts.
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