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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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MDR FRONT BRAKE DISC YAMAHA YZ 125 250 (90-91) WR 250 (90-91)
£51.96
The part that decides how confidently you can brake into a rut.
MDR FRONT BRAKE DISC YAMAHA YZ WR 125 250 (92-00) YZF WRF (98-00) YZF 426 (00)
£51.96
The part that decides how confidently you can brake into a rut.
MDR FULL FLEX BRAKE LEVER KAWASAKI, SUZUKI & YAMAHA
£31.45
The part most likely to need replacing after a get-off.
MDR FULL FLEX CLUTCH LEVER KAWASAKI, SUZUKI & YAMAHA
£32.66
Gets your clutch hand back to full control.
MDR FULL PLASTIC FASTENER KIT YAMAHA YZ 125 250 (03-ON)
£25.41
Small fasteners that finish a plastics refresh properly.
MDR PRO SERIES CNC LAUNCH MASTER YAMAHA YZ 125/250 YZF250/450 (04-ON) 63.4MM
£31.00
The upgrade for the two seconds that decide your whole moto.
MDR PRO SERIES MOTOCROSS FOOTPEGS YAMAHA YZ85/125/250 YZF250/450 WRF250/450
£95.70
The contact point that decides how connected you feel to the bike.
MDR RACE SERIES LINKAGE KIT YAMAHA YZ125/250 01 YZF250/426/ 01 WRF250/426 01
£76.39
Smooth rear travel starts with the bearings that make it possible.
MDR RACE SERIES LINKAGE KIT YAMAHA YZ125/250 06-20
£76.39
Smooth rear travel starts with the bearings that make it possible.
MDR RACE SERIES LINKAGE KIT YAMAHA YZ125/250 1993-2000 YZ/WR400F 1998-2000 YZ426F 2000
£76.39
Smooth rear travel starts with the bearings that make it possible.
MDR RACE SERIES LINKAGE KIT YAMAHA YZ125/250 2005 YZ250F 2007
£76.39
Smooth rear travel starts with the bearings that make it possible.
MDR REAR BRAKE DISC YZ WR 125 250 (98-01) YZF WRF 250 (01) YZF 426 (00-01)
£51.96
The part that decides how confidently you can brake into a rut.
MDR REAR BRAKE PEDAL YAMAHA YZ 125 250 (05-ON) YZF 250 (10-ON)
£59.88
Confidence at the rear pedal, exactly where you left it.
MDR TOP GASKET SET ONLY YAMAHA YZ 125 (98-01)
£15.40
The seal that makes sure the rest of the job holds.
MDR YAMAHA FACTORY BOLT KIT YZ/YZF/WRF (03-ON)
£49.90
The unglamorous kit that finishes every other job properly.
NGK BR9EG COPPER SPARK PLUG
£11.24
Cheap insurance, fitted while everything else is open.
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