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The YZ125 is a Yamaha two-stroke engine motorcycle. It was the company's first 125 cc motocross racer, being released in 1974.. The Yamaha YZ 125 bike quickly became popular among motocross racers for its light weight and powerful engine, and it has remained a preferred choice for both amateur and p...  show more


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SAMCO SPORT 5 PIECE COOLANT HOSE KIT YAMAHA YZ 125 (96-01) - BLUE
£73.04
Don't let a cracked hose cook the engine you just rebuilt.
SM PRO PLATINUM (FRONT) YAMAHA WHEEL 2007-2017
£359.99
Everything else on the bike works better with grip underneath it.
SM PRO PLATINUM MOTOCROSS (REAR) WHEEL - YAMAHA BLUE BLACK BLUE
£418.80
Everything else on the bike works better with grip underneath it.
SPROCKET BOLT SET YAMAHA (REAR) 6 PIECES 8X25 BY PROX
£11.70
Small bolts holding together a lot of power.
SUPERCOOLER WATER PUMP AND IMPELLER KIT YAMAHA YZ125 1998-2004 BOYESEN
£243.78
Keeps temperatures under control when the going gets demanding.
SUPERCOOLER WATER PUMP AND IMPELLER KIT YAMAHA YZ125 2005-2018 BOYESEN
£253.98
Keeps temperatures under control when the going gets demanding.
SUPERSPROX FRONT GROOVED SPROCKET YAMAHA YZ125 (99-04) WR125 (98-00)
£14.98
Never replace just one part of the drivetrain - it wrecks the rest fast.
SUPERSPROX FRONT GROOVED SPROCKET YAMAHA YZ125/YZF250/WR250/WR250X/WRF250 CST-1590
£16.16
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 BLACK
£41.11
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 ALUMINIUM SPROCKET YAMAHA YZ125/250 YZF250/450 WR125/250/250X WRF250/450 BRONZE
£41.11
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.
SWING ARM BEARING KIT YAMAHA YZ125 1988-1992 28-1071
£60.62
The bearings that decide how connected the rear end feels.
SWING ARM BEARING KIT YAMAHA YZ125 1993
£60.62
The bearings that decide how connected the rear end feels.
SWING ARM BEARING KIT YAMAHA YZ125 2002-2004 / YZ250 2002-2005 28-1072
£61.85
The bearings that decide how connected the rear end feels.
SWING ARM BEARING KIT YAMAHA YZ125/YZ250 1999-2001 / YZF250 2001 28-1073
£74.70
The bearings that decide how connected the rear end feels.
THROTTLE CABLE YAMAHA YZ125 1999-2006 / YZ250 1999 ALL BALLS
£30.94
One of the simplest ways to sharpen how a bike feels to ride.
THROTTLE CABLE YAMAHA YZ125/YZ250 1989-1994 ALL BALLS
£20.43
One of the simplest ways to sharpen how a bike feels to ride.
THROTTLE CABLE YAMAHA YZ125/YZ250 1996-1998 ALL BALLS
£24.37
One of the simplest ways to sharpen how a bike feels to ride.
UFO 5 PIECE MOTOCROSS PLASTIC KIT YAMAHA YZ 125 YZ 250 2000-2001
£114.89
A complete transformation in one afternoon's work.
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