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YAMAHA YZ125 2020

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Guaranteed to fit Exact year selected

Browse parts for your YAMAHA YZ125 2020. Find maintenance essentials and replacement parts matched to your selected bike, or filter by part type to find what you need.

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Filter by part type
CYLINDER HEAD
£208.08
The part that decides how efficiently every explosion happens.
CHAIN
£98.99
Never replace just the chain - it wrecks worn sprockets fast.
COOLANT
£11.99
Cheap protection for an expensive engine. Shop our dirt bike coolants today.
AIR FILTER
£15.49
The simplest way to add years to your engine's life.
BRAKE LEVER
£20.79
The part most likely to need replacing after a get-off.
EXHAUST
£196.88
The upgrade that lets every other part breathe properly.
EXHAUST
£272.74
The upgrade that lets every other part breathe properly.
FORK BUSHING KIT
£55.63
The unseen part that decides how planted your front end feels.
FORK SEAL AND WIPER SET
£36.97
Smooth, predictable forks, restored in one afternoon.
FUEL TAP REPAIR KIT
£19.06
The cheap fix for an annoyingly common leak.
OIL SEAL SET
£49.88
The unglamorous parts that keep everything else properly sealed.
STANDARD BORE CYLINDER KIT
£896.38
The simplest way to bring a tired top end back to life.
BIG BORE GASKET (TOP)
£58.00
Don't let a two-pound gasket undo a two-hundred-pound power upgrade.
GASKET SET (TOP END)
£20.88
The seal that makes sure the rest of the job holds.
CRANK SHAFT
£348.08
The part every other engine component depends on.
WATER PUMP KIT
£29.09
Don't cook your top-end rebuild - fix cooling first.
LINKAGE BEARING KIT
£75.11
Smooth rear travel starts with the bearings that make it possible.
MASTER CYLINDER REBUILD KIT (FRONT)
£29.48
Fix it before it fails you mid-lap.
MASTER CYLINDER REBUILD KIT (REAR)
£26.07
Confidence at the rear pedal, restored from the inside out.
COMPLETE CLUTCH KIT
£246.75
Most riders replace the full kit, not just one worn plate.
GEAR LEVER
£23.95
Positive gear changes, restored in minutes.
FOOTPEGS
£45.54
The contact point that decides how connected you feel to the bike.
FOOTPEGS
£95.70
The contact point that decides how connected you feel to the bike.
LINKAGE BEARING KIT
£76.39
Smooth rear travel starts with the bearings that make it possible.
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