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.

Fresco Silencer (Alu) SX125 16-18/TX125 17-18

Fresco Silencer (Alu) SX125 16-18/TX125 17-18

Regular price £136.78 GBP

Regular price Sale price £136.78 GBP
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Fresco Front Pipe (Raw) SX125 04-15/125EXC 05-16

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Fresco Front Pipe (Raw) SX125 04-15/125EXC 05-16

Regular price £234.50 GBP

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Fresco Front Pipe (Factory) SX125 16-18/EXC125 17-18

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Fresco Front Pipe (Factory) SX125 16-18/EXC125 17-18

Regular price £278.47 GBP

Regular price Sale price £278.47 GBP
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Fresco Front Pipe (Raw) SX125 16-18/125XC-W 17-18

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Fresco Front Pipe (Raw) SX125 16-18/125XC-W 17-18

Regular price £234.50 GBP

Regular price Sale price £234.50 GBP
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Fresco Silencer (Alu) SX125 04-15/TE 14-16

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Fresco Silencer (Alu) SX125 04-15/TE 14-16

Regular price £136.78 GBP

Regular price Sale price £136.78 GBP
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RFX Pro Throttle Tube Black KTM SX85 18-24 SX125/150/250 17-22 Husqvarna TC85 18-22 TC125/250 17-22

RFX Pro Throttle Tube Black KTM SX85 18-24 SX125/150/250 17-22 Husqvarna TC85 18-22 TC125/250 17-22

Regular price £33.29 GBP

Regular price Sale price £33.29 GBP
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RFX Pro ST Rear Brake Lever (Black/Orange) KTM SX125 17-22 SXF250/350/450 17-22

RFX Pro ST Rear Brake Lever (Black/Orange) KTM SX125 17-22 SXF250/350/450 17-22

Regular price £55.51 GBP

Regular price Sale price £55.51 GBP
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RFX Pro ST Rear Brake Lever (Black H/A) KTM SX125 17-22 SXF250/350/450 17-22

RFX Pro ST Rear Brake Lever (Black H/A) KTM SX125 17-22 SXF250/350/450 17-22

Regular price £55.51 GBP

Regular price Sale price £55.51 GBP
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RFX Pro FT Rear Brake Lever (Black/Orange) KTM SX125/150 17-22 SXF250/350/450 17-22

RFX Pro FT Rear Brake Lever (Black/Orange) KTM SX125/150 17-22 SXF250/350/450 17-22

Regular price £55.51 GBP

Regular price Sale price £55.51 GBP
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RFX Pro ST Rear Brake Lever (H/A Black/Orange) KTM SX125 SXF250/350/450 2016

RFX Pro ST Rear Brake Lever (H/A Black/Orange) KTM SX125 SXF250/350/450 2016

Regular price £55.51 GBP

Regular price Sale price £55.51 GBP
Unit price per
RFX Pro ST Rear Brake Lever (Hard/A Black/H/A Titan) KTM SX125 SXF250/350/450 2016

RFX Pro ST Rear Brake Lever (Hard/A Black/H/A Titan) KTM SX125 SXF250/350/450 2016

Regular price £55.51 GBP

Regular price Sale price £55.51 GBP
Unit price per
RFX Pro FT Rear Brake Lever (Black/Orange) KTM SX125 SXF250/350/450 2016

RFX Pro FT Rear Brake Lever (Black/Orange) KTM SX125 SXF250/350/450 2016

Regular price £55.51 GBP

Regular price Sale price £55.51 GBP
Unit price per
RFX Pro ST Rear Brake Lever (Black/H/A) KTM SX125/150 07-15 SX250 07-16 SXF250/350/450 07-15

RFX Pro ST Rear Brake Lever (Black/H/A) KTM SX125/150 07-15 SX250 07-16 SXF250/350/450 07-15

Regular price £55.51 GBP

Regular price Sale price £55.51 GBP
Unit price per
RFX Pro ST Rear Brake Lever (Black/Orange) KTM SX125/150 07-15 SX250 07-16 SXF250/350/450 07-15

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RFX Pro ST Rear Brake Lever (Black/Orange) KTM SX125/150 07-15 SX250 07-16 SXF250/350/450 07-15

Regular price £55.51 GBP

Regular price Sale price £55.51 GBP
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RFX Race Series Kickstart Lever (Orange) KTM SX125/150 16-21 XC-W/TPI 125/150 17-21

RFX Race Series Kickstart Lever (Orange) KTM SX125/150 16-21 XC-W/TPI 125/150 17-21

Regular price £73.99 GBP

Regular price Sale price £73.99 GBP
Unit price per
RFX Race Series Kickstart Lever (Orange) KTM SX125/150 98-15

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RFX Race Series Kickstart Lever (Orange) KTM SX125/150 98-15

Regular price £73.99 GBP

Regular price Sale price £73.99 GBP
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Collection: KTM 125 SX Parts & Spares

Shop KTM 125 SX by part type

Fresco Silencer (Alu) SX125 16-18/TX125 17-18

Fresco Silencer (Alu) SX125 16-18/TX125 17-18

Fresco Front Pipe (Raw) SX125 04-15/125EXC 05-16

Fresco Front Pipe (Raw) SX125 04-15/125EXC 05-16

Fresco Front Pipe (Factory) SX125 16-18/EXC125 17-18

Fresco Front Pipe (Factory) SX125 16-18/EXC125 17-18

Fresco Front Pipe (Raw) SX125 16-18/125XC-W 17-18

Fresco Front Pipe (Raw) SX125 16-18/125XC-W 17-18

Fresco Silencer (Alu) SX125 04-15/TE 14-16

Fresco Silencer (Alu) SX125 04-15/TE 14-16

RFX Pro Throttle Tube Black KTM SX85 18-24 SX125/150/250 17-22 Husqvarna TC85 18-22 TC125/250 17-22

RFX Pro Throttle Tube Black KTM SX85 18-24 SX125/150/250 17-22 Husqvarna TC85 18-22 TC125/250 17-22

RFX Pro ST Rear Brake Lever (Black/Orange) KTM SX125 17-22 SXF250/350/450 17-22

RFX Pro ST Rear Brake Lever (Black/Orange) KTM SX125 17-22 SXF250/350/450 17-22

RFX Pro ST Rear Brake Lever (Black H/A) KTM SX125 17-22 SXF250/350/450 17-22

RFX Pro ST Rear Brake Lever (Black H/A) KTM SX125 17-22 SXF250/350/450 17-22

RFX Pro FT Rear Brake Lever (Black/Orange) KTM SX125/150 17-22 SXF250/350/450 17-22

RFX Pro FT Rear Brake Lever (Black/Orange) KTM SX125/150 17-22 SXF250/350/450 17-22

RFX Pro ST Rear Brake Lever (H/A Black/Orange) KTM SX125 SXF250/350/450 2016

RFX Pro ST Rear Brake Lever (H/A Black/Orange) KTM SX125 SXF250/350/450 2016

RFX Pro ST Rear Brake Lever (Hard/A Black/H/A Titan) KTM SX125 SXF250/350/450 2016

RFX Pro ST Rear Brake Lever (Hard/A Black/H/A Titan) KTM SX125 SXF250/350/450 2016

RFX Pro FT Rear Brake Lever (Black/Orange) KTM SX125 SXF250/350/450 2016

RFX Pro FT Rear Brake Lever (Black/Orange) KTM SX125 SXF250/350/450 2016

RFX Pro ST Rear Brake Lever (Black/H/A) KTM SX125/150 07-15 SX250 07-16 SXF250/350/450 07-15

RFX Pro ST Rear Brake Lever (Black/H/A) KTM SX125/150 07-15 SX250 07-16 SXF250/350/450 07-15

RFX Pro ST Rear Brake Lever (Black/Orange) KTM SX125/150 07-15 SX250 07-16 SXF250/350/450 07-15

RFX Pro ST Rear Brake Lever (Black/Orange) KTM SX125/150 07-15 SX250 07-16 SXF250/350/450 07-15

RFX Race Series Kickstart Lever (Orange) KTM SX125/150 16-21 XC-W/TPI 125/150 17-21

RFX Race Series Kickstart Lever (Orange) KTM SX125/150 16-21 XC-W/TPI 125/150 17-21

RFX Race Series Kickstart Lever (Orange) KTM SX125/150 98-15

RFX Race Series Kickstart Lever (Orange) KTM SX125/150 98-15

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Collection: KTM 125 SX Parts & Spares

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