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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


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WATER PUMP REBUILD KIT (WITH GASKET) YAMAHA YZF450 2010-2013
£38.86
Don't cook your top-end rebuild - fix cooling first.
WHEEL BEARING KIT (REAR) YAMAHA YZF 250 / 450 2009-2024 / WRF450 2024 REAR
£29.88
Smooth-running wheels are the foundation of confident handling.
WHEEL SPACER KIT (REAR) YAMAHA YZF250 YZF450 2009-2024 11-1099-1
£34.66
A small spacer with a big say in rear wheel feel.
WRP "PRO" BILLET THROTTLE TUBE YAMAHA YZF / WRF 250 / 400 / 426 / 450 1998-2013
£39.22
The part that decides how naturally your right hand controls the power.
YAMAHA YZ YZF 125 250 426 450 STEERING STEM KIT BY PIVOT WORKS
£55.22
Smooth, confident steering starts at the head bearings.
YAMAHA YZ-F 250 / YZ-F 450 2007-2017 FRONT BRAKE PADS
£20.68
Fresh pads, fresh confidence into every braking bump.
YAMAHA YZ-F 450 2003-2005 98MM 478CC BIG BORE KIT
£540.80
The upgrade that turns a good bike into a great one.
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