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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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TOP END GASKET KIT YAMAHA YZF450 2014-2017 / WRF450 2016-2018
£54.19
The seal that makes sure the rest of the job holds.
TWIN AIR I-BOOST 2 YAMAHA YZF 250 / 450 2014 - 2015
£197.25
Fine-tunes exactly how the power comes in off idle.
TWIN AIR I-BOOST 2 YAMAHA YZF 450 2010 - 2013
£197.25
Fine-tunes exactly how the power comes in off idle.
UFO PLASTIC KIT YAMAHA YZF 250 450 (03-05) ALL COLOURS
£116.28
A complete transformation in one afternoon's work.
UFO PLASTIC KIT YAMAHA YZF 250 450 (06-09) ALL COLOURS
£116.28
A complete transformation in one afternoon's work.
UFO PLASTIC KIT YAMAHA YZF 250 450 (14-17) ALL COLOURS
£128.73
A complete transformation in one afternoon's work.
UFO PLASTIC KIT YAMAHA YZF 250 450 (2010) ALL COLOURS
£116.28
A complete transformation in one afternoon's work.
UFO PLASTIC KIT YAMAHA YZF 450 (11-12) ALL COLOURS
£152.25
A complete transformation in one afternoon's work.
UFO PLASTIC KIT YAMAHA YZF 450 (2010) ALL COLOURS
£152.25
A complete transformation in one afternoon's work.
UFO PLASTIC KIT YAMAHA YZF 450 (2013) OEM
£152.25
A complete transformation in one afternoon's work.
UFO PRO BITE MOTOCROSS FOOTPEGS YAMAHA YZ/YZF (00-ON)
£122.10
The contact point that decides how connected you feel to the bike.
UFO PRO SERIES MOTOCROSS FOOTPEGS YAMAHA YZ/YZF (00-ON)
£117.31
The contact point that decides how connected you feel to the bike.
UFO TRAX TRIPLE DENSITY HALF WAFFLE GRIPS - BLUE
£17.50
Small change, big difference in how the bike feels in your hands.
UFO VIPER HANDGUARDS - REFLEX BLUE
WAS £34.99 £25.00
Cheap protection for the parts you use every second of every ride.
UFO VULCAN HANDGUARDS - REFLEX BLUE
WAS £34.99 £25.00
Cheap protection for the parts you use every second of every ride.
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