Collection: KTM 125 SX Parts & Spares
Shop our range of KTM 125 SX parts and spares for maintenance, engine rebuilds and motocross competition. Browse replacement and performance parts for KTM 125cc 2-stroke motocross bikes, including pistons and engine components, clutch parts, suspension, brakes, exhaust, drivetrain and service parts.
Shop KTM 125 SX by part type
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Racetech Left Air Box Side Panel SX125/250/300 23-24 Black
Regular price £18.51 GBPRegular priceUnit price / perSale price £18.51 GBPSold out -
Racetech Left Air Box Side Panel SX125/250/300 23-24 Neon Orange
Regular price £18.51 GBPRegular priceUnit price / perSale price £18.51 GBPSold out -
Racetech Inner Rad Louvers (2pc) SX125-150-250 19-24 Orange
Regular price £20.93 GBPRegular priceUnit price / perSale price £20.93 GBPSold out -
Racetech Left Air Box Side Panel SX125-150 19-23 OEM 21-23 / Grey
Regular price £20.93 GBPRegular priceUnit price / perSale price £20.93 GBP -
ProX front wheel spacer kit KTM 125 SX 2000–2002 26.710089
Regular price £17.74 GBPRegular priceUnit price / perSale price £17.74 GBPSold out -
Rearwheel Spacer Kit SX125/250/300 23-26
Regular price £33.58 GBPRegular priceUnit price / perSale price £33.58 GBPSold out -
Swingarm Linkage Bearing Kit SX125/250/300 23-24
Regular price £109.42 GBPRegular priceUnit price / perSale price £109.42 GBPSold out -
Head & Base Gasket Set SX125 23-26/TC125 23-26
Regular price £22.54 GBPRegular priceUnit price / perSale price £22.54 GBPSold out -
ProX complete gasket set KTM 125 SX 1998–2001 34.6218
Regular price £78.70 GBPRegular priceUnit price / perSale price £78.70 GBPSold out -
F.F. Dust Cap SX125/144/200/250/450 04-14 10 pcs
Regular price £124.30 GBPRegular priceUnit price / perSale price £124.30 GBPSold out -
F.F. Oil Seal SX125/144/200/250/450 04-14 10 pcs
Regular price £124.30 GBPRegular priceUnit price / perSale price £124.30 GBPSold out -
Water Pump Rebuild Kit SX125 98-15 SX150 09-15
Regular price £44.62 GBPRegular priceUnit price / perSale price £44.62 GBP -
Sold outClutch Cover Gasket SX125 23-26
Regular price £10.54 GBPRegular priceUnit price / perSale price £10.54 GBPSold out -
Rear Brake Pedal Rebuild Kit SX125/250/300 23-26
Regular price £44.14 GBPRegular priceUnit price / perSale price £44.14 GBPSold out -
ProX carburettor rebuild kit KTM 125 SX 1998–2008 55.10517
Regular price £28.78 GBPRegular priceUnit price / perSale price £28.78 GBPSold out -
ProX master cylinder rebuild kit KTM 125 SX 1998–2003 16.940002
Regular price £39.82 GBPRegular priceUnit price / perSale price £39.82 GBPSold out