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Motocross Parts UK
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WRF 400

Shop now or a great range of WRF400 Yamaha OEM Aftermarket Parts for the engine rebuild and maintenance of your MX bike.

1998 1999 2000
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REAR SHOCK BEARING KIT (LOWER) YAMAHA YZ125/YZ250 1993-2000
£24.09
A small bearing with a big say in how the rear end feels.
REAR SHOCK BEARING KIT (LOWER) YAMAHA YZ80 1993-2001 / YZ85 2002
£24.09
A small bearing with a big say in how the rear end feels.
REAR SHOCK BEARING KIT (UPPER) YAMAHA YZF250 / YZF450
£28.37
A small bearing with a big say in how the rear end feels.
REAR SHOCK SEAL HEAD KIT YAMAHA YZ125/YZ250 1993-2005 / YZF250 2001-2005 / YZF400 1998-1999 / YZF426 2000-2002 / YZF450 2003-2005 / WR250 1994-1997 / WRF250 2001-2014 / WRF400 1998-2000 / WRF426 2001-2002 / WRF450 2003-2018
£43.83
Stops a small leak becoming a shock that needs a full rebuild.
SPROCKET BOLT SET YAMAHA (REAR) 6 PIECES 8X25 BY PROX
£11.70
Small bolts holding together a lot of power.
STEERING BEARING KIT SUZUKI RM125 RM250 1991-1992 / YAMAHA YZ YZF 125 250 426 450
£41.77
Smooth, confident steering starts at the head bearings.
SUPERSPROX FRONT GROOVED SPROCKET YAMAHA YZ250 (99-24) YZF450 (03-24) WRF450 (03-24) CST-565
£14.98
Never replace just one part of the drivetrain - it wrecks the rest fast.
SUPERSPROX REAR ALUMINIUM SPROCKET YAMAHA YZ125/250 YZF250/450 WR125/250/250X WRF250/450 BLUE
£38.48
Never replace just one part of the drivetrain - it wrecks the rest fast.
SUPERSPROX REAR STEALTH SPROCKET YAMAHA YZ125 YZ250 WR125/200/250/500 BLUE RST-245-BLU
£65.80
Never replace just one part of the drivetrain - it wrecks the rest fast.
THROTTLE CABLE YAMAHA YZF250 2001-2002 / YZF426 2000-2002 / WRF250 2001-2002 / WRF400 2000 / WRF426 2001-2002 ALL BALLS
£35.70
One of the simplest ways to sharpen how a bike feels to ride.
THROTTLE CABLE YAMAHA YZF400 1998-1999 / WRF400 1998-1999
£19.85
One of the simplest ways to sharpen how a bike feels to ride.
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.
WATER PUMP REBUILD KIT (WITH GASKET) YAMAHA YZF400 1998-1999 / YZF426 2000-2002 / WRF400 1998-2000 / WRF426 2001-2002
£45.11
Don't cook your top-end rebuild - fix cooling first.
WHEEL BEARING KIT (FRONT) YAMAHA WRF250 2001-2019 / WRF400 1998-2000 / WRF426 2001-2002 / WRF450 2003-2018
£31.22
Smooth-running wheels are the foundation of confident handling.
WHEEL BEARING KIT (REAR) YAMAHA YZ125 YZ250 1999-2024 / YZF250 2001-2008 / YZF450 2003-2008 / WRF250 2001-2024 / WRF400 1998-2000 / WRF426 2001-2002 / WRF450 2003-2023 25-1252
£34.42
Smooth-running wheels are the foundation of confident handling.
WHEEL SPACER KIT (REAR) YAMAHA YZ125/YZ250 1988-1998 / WR250 1991-1997 / WRF400 1998 / YZF400 1998
£40.11
A small spacer with a big say in rear wheel feel.
YAMAHA YZ YZF 125 250 426 450 STEERING STEM KIT BY PIVOT WORKS
£55.22
Smooth, confident steering starts at the head bearings.
YAMAHA YZF / WRF 400 / 426 1998 - 2002 BIG END BEARING 34 X 42 X 19.8
£27.65
The small part that decides whether your bottom end survives or fails.
YAMAHA YZF / WRF 400 / 426 1998-2002 VERTEX CAM CHAIN
£61.78
A small part that protects the whole top end.
YAMAHA YZF / WRF 450 2003-2024 MAIN BEARING KIT K022
£79.75
The part that decides whether your rebuild lasts one season or five.
YAMAHA YZF 400 1998-1999 / YZF 426 2000 / WRF400 1998-2000 LINKAGE BEARING KIT INC. BOTTOM SHOCK BEARING BY PIVOTWORKS
£87.84
Smooth rear travel starts with the bearings that make it possible.
YAMAHA YZF 450 2003-2005 WRF 450 2003-2006 HOT RODS TRANSMISSION BEARING KIT
WAS £109.99 £89.00
The bearings that keep every gear change precise and quiet.
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