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YZF 450

YZ450F Engine The YZ450F engine is a four-stroke DOHC engine that was first released in 2003. It is based on the earlier YZ426F engine but with several key changes that improve performance and durability. The most notable change is the addition of fuel injection, which replaced the carburettor in p...  show more

2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024
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YAMAHA YZF 450 2010-2013 TOP END GASKET KIT INC. VALVE STEM SEALS
£70.82
The seal that makes sure the rest of the job holds.
YAMAHA YZF 450 2010-2019 WRF 450 2016-2020 VERTEX CAM CHAIN
£65.73
A small part that protects the whole top end.
YAMAHA YZF 450 2014 - 2017 WRF 450 2016-2018 97MM HIGH COMPRESSION CYLINDER KIT 13.5:1
£541.01
The simplest way to bring a tired top end back to life.
YAMAHA YZF 450 2014 - 2017 WRF 450 2016-2018 97MM STANDARD COMPRESSION CYLINDER KIT 12.5:1
£541.01
The simplest way to bring a tired top end back to life.
YAMAHA YZF 450 2014-2017 TOP END GASKET KIT INC. VALVE STEM SEALS
£89.96
The seal that makes sure the rest of the job holds.
YAMAHA YZF 450 2020-2022 / WRF 450 2022 97MM STANDARD COMPRESSION CYLINDER KIT 13.0:1 CW20014K01
£546.31
The simplest way to bring a tired top end back to life.
YAMAHA YZF 450 FMF Q4 HEX S/A REAR SILENCER 2010-2013
£414.75
Frees up the power the rest of your build is chasing.
YAMAHA YZF 450 FMF Q4 HEX S/A REAR SILENCER 2014-2017
£520.79
Frees up the power the rest of your build is chasing.
Currently unavailable View product →
YAMAHA YZF 450 FMF Q4 REAR SILENCER 2003-2005
£494.76
Frees up the power the rest of your build is chasing.
Currently unavailable View product →
YAMAHA YZF 450 FMF Q4 REAR SILENCER 2006-2009
£467.42
Frees up the power the rest of your build is chasing.
Currently unavailable View product →
YAMAHA YZF 450 FMF Q4 REAR SILENCER 2010-2013 044336
£393.75
Frees up the power the rest of your build is chasing.
YAMAHA YZF/WRF 250 2002-2004 YZF/WRF426 2002 YZF/WRF 450 2003-2004 LINKAGE BEARING KIT INC. BOTTOM SHOCK BEARING BY PIVOTWORKS
£87.84
Smooth rear travel starts with the bearings that make it possible.
YAMAHA YZF450 2003-2020 SHOCK BEARING KIT
£37.49
The bearings that decide how plush your rear end really feels.
YAMAHA YZF450 2006-2013 / WRF450 2003-2014 FULL ENGINE OIL SEAL SET
£52.24
The unglamorous parts that keep everything else properly sealed.
YAMAHA YZF450 2010 - 2017 / WRF450 2016-2018 REPLACEMENT CYLINDER 97MM
£253.56
Back to standard, back to full power.
YAMAHA YZF450 2014-2018 / WRF450 2016-2021 FULL ENGINE OIL SEAL SET
£39.38
The unglamorous parts that keep everything else properly sealed.
YAMAHA YZF450 2020-2022 REPLACEMENT CYLINDER 97MM CW20014 CYLINDER WORKS
£253.56
Back to standard, back to full power.
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