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.

RFX Pro Series Kickstart Lever (Hard anodised - Black) KTM SX125/150 16-22 XC-W/TPI 125/150 17-22

RFX Pro Series Kickstart Lever (Hard anodised - Black) KTM SX125/150 16-22 XC-W/TPI 125/150 17-22

Regular price £73.99 GBP

Regular price Sale price £73.99 GBP
Unit price per
RFX Pro Series Kickstart Lever (Hard anodised - Black) KTM SX125/150 98-15 EXC125/150 99-19

RFX Pro Series Kickstart Lever (Hard anodised - Black) KTM SX125/150 98-15 EXC125/150 99-19

Regular price £73.99 GBP

Regular price Sale price £73.99 GBP
Unit price per
RFX Race Gear Lever (Silver) KTM SX85 18-24 SX125 17-22 XC-W/TPI 125/150 17-23

RFX Race Gear Lever (Silver) KTM SX85 18-24 SX125 17-22 XC-W/TPI 125/150 17-23

Regular price £21.26 GBP

Regular price Sale price £21.26 GBP
Unit price per
RFX Race Gear Lever (Black/Orange) KTM SX85 18-24 SX125 17-22 XC-W/TPI 125/150 17-23

RFX Race Gear Lever (Black/Orange) KTM SX85 18-24 SX125 17-22 XC-W/TPI 125/150 17-23

Regular price £21.26 GBP

Regular price Sale price £21.26 GBP
Unit price per
RFX Race Gear Lever (Black/Orange) KTM SX125 16/SXF450 16-22 EXC-F 450/500 17-23

RFX Race Gear Lever (Black/Orange) KTM SX125 16/SXF450 16-22 EXC-F 450/500 17-23

Regular price £21.26 GBP

Regular price Sale price £21.26 GBP
Unit price per
RFX Race Gear Lever (Silver) KTM SX125 16/SXF450 16-22 EXC-F 450/500 17-23

RFX Race Gear Lever (Silver) KTM SX125 16/SXF450 16-22 EXC-F 450/500 17-23

Regular price £21.26 GBP

Regular price Sale price £21.26 GBP
Unit price per
RFX Pro Footrests (Orange) KTM SX85 18-24 SX125-450 16-22 EXC/EXC-F 17-23

RFX Pro Footrests (Orange) KTM SX85 18-24 SX125-450 16-22 EXC/EXC-F 17-23

Regular price £83.23 GBP

Regular price Sale price £83.23 GBP
Unit price per
RFX Race Forged Flexible Lever Set (Orange) KTM SX125/150/200 14-15 EXC125 2016

RFX Race Forged Flexible Lever Set (Orange) KTM SX125/150/200 14-15 EXC125 2016

Regular price £50.86 GBP

Regular price Sale price £50.86 GBP
Unit price per
RFX Factory Kit KTM (Brembo) Husqvarna TC/FC 250-450 2022 KTM SX125/150 16-22 SX/SXF250-450 14-22

RFX Factory Kit KTM (Brembo) Husqvarna TC/FC 250-450 2022 KTM SX125/150 16-22 SX/SXF250-450 14-22

Regular price £73.99 GBP

Regular price Sale price £73.99 GBP
Unit price per
RFX Factory Kit KTM (Brembo) SX125/150 16-22 SX250 14-22 SXF250/350/450 14-22

RFX Factory Kit KTM (Brembo) SX125/150 16-22 SX250 14-22 SXF250/350/450 14-22

Regular price £73.99 GBP

Regular price Sale price £73.99 GBP
Unit price per
RFX Pro Clutch Cover (H/A Black) KTM SX125/150 16-22 TC125 16-22 MC125 21-23

RFX Pro Clutch Cover (H/A Black) KTM SX125/150 16-22 TC125 16-22 MC125 21-23

Regular price £157.23 GBP

Regular price Sale price £157.23 GBP
Unit price per
Pro Clutch Cover SX125/ EXC150 & TC125/ TE150i 23-

Pro Clutch Cover SX125/ EXC150 & TC125/ TE150i 23-

Regular price £143.37 GBP

Regular price Sale price £143.37 GBP
Unit price per
Race Front Wheel Bearing Kit SX125/250/380 94-99

Race Front Wheel Bearing Kit SX125/250/380 94-99

Regular price £12.94 GBP

Regular price Sale price £12.94 GBP
Unit price per
Race Swingarm Kit SX125/SXF250/350 16-SXF450 13-

Sold out

Race Swingarm Kit SX125/SXF250/350 16-SXF450 13-

Regular price £46.23 GBP

Regular price Sale price £46.23 GBP
Unit price per

Sold out
Race Swingarm Kit SX125-300 98-03

Race Swingarm Kit SX125-300 98-03

Regular price £46.23 GBP

Regular price Sale price £46.23 GBP
Unit price per
Race Flexible Lever Set SX125-200 14-15 EXC125 16

Race Flexible Lever Set SX125-200 14-15 EXC125 16

Regular price £50.86 GBP

Regular price Sale price £50.86 GBP
Unit price per

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Collection: KTM 125 SX Parts & Spares

Shop KTM 125 SX by part type

RFX Pro Series Kickstart Lever (Hard anodised - Black) KTM SX125/150 16-22 XC-W/TPI 125/150 17-22

RFX Pro Series Kickstart Lever (Hard anodised - Black) KTM SX125/150 16-22 XC-W/TPI 125/150 17-22

RFX Pro Series Kickstart Lever (Hard anodised - Black) KTM SX125/150 98-15 EXC125/150 99-19

RFX Pro Series Kickstart Lever (Hard anodised - Black) KTM SX125/150 98-15 EXC125/150 99-19

RFX Race Gear Lever (Silver) KTM SX85 18-24 SX125 17-22 XC-W/TPI 125/150 17-23

RFX Race Gear Lever (Silver) KTM SX85 18-24 SX125 17-22 XC-W/TPI 125/150 17-23

RFX Race Gear Lever (Black/Orange) KTM SX85 18-24 SX125 17-22 XC-W/TPI 125/150 17-23

RFX Race Gear Lever (Black/Orange) KTM SX85 18-24 SX125 17-22 XC-W/TPI 125/150 17-23

RFX Race Gear Lever (Black/Orange) KTM SX125 16/SXF450 16-22 EXC-F 450/500 17-23

RFX Race Gear Lever (Black/Orange) KTM SX125 16/SXF450 16-22 EXC-F 450/500 17-23

RFX Race Gear Lever (Silver) KTM SX125 16/SXF450 16-22 EXC-F 450/500 17-23

RFX Race Gear Lever (Silver) KTM SX125 16/SXF450 16-22 EXC-F 450/500 17-23

RFX Pro Footrests (Orange) KTM SX85 18-24 SX125-450 16-22 EXC/EXC-F 17-23

RFX Pro Footrests (Orange) KTM SX85 18-24 SX125-450 16-22 EXC/EXC-F 17-23

RFX Race Forged Flexible Lever Set (Orange) KTM SX125/150/200 14-15 EXC125 2016

RFX Race Forged Flexible Lever Set (Orange) KTM SX125/150/200 14-15 EXC125 2016

RFX Factory Kit KTM (Brembo) Husqvarna TC/FC 250-450 2022 KTM SX125/150 16-22 SX/SXF250-450 14-22

RFX Factory Kit KTM (Brembo) Husqvarna TC/FC 250-450 2022 KTM SX125/150 16-22 SX/SXF250-450 14-22

RFX Factory Kit KTM (Brembo) SX125/150 16-22 SX250 14-22 SXF250/350/450 14-22

RFX Factory Kit KTM (Brembo) SX125/150 16-22 SX250 14-22 SXF250/350/450 14-22

RFX Pro Clutch Cover (H/A Black) KTM SX125/150 16-22 TC125 16-22 MC125 21-23

RFX Pro Clutch Cover (H/A Black) KTM SX125/150 16-22 TC125 16-22 MC125 21-23

Pro Clutch Cover SX125/ EXC150 & TC125/ TE150i 23-

Pro Clutch Cover SX125/ EXC150 & TC125/ TE150i 23-

Race Front Wheel Bearing Kit SX125/250/380 94-99

Race Front Wheel Bearing Kit SX125/250/380 94-99

Race Swingarm Kit SX125/SXF250/350 16-SXF450 13-

Race Swingarm Kit SX125/SXF250/350 16-SXF450 13-

Race Swingarm Kit SX125-300 98-03

Race Swingarm Kit SX125-300 98-03

Race Flexible Lever Set SX125-200 14-15 EXC125 16

Race Flexible Lever Set SX125-200 14-15 EXC125 16

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Collection: KTM 125 SX Parts & Spares

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