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.

Vertex Top End Piston Kit SX125/TC125 23-25 (RE) C - 53.96 mm 8VTK24445C-4

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Vertex Top End Piston Kit SX125/TC125 23-25 (RE) C - 53.96 mm 8VTK24445C-4

Regular price £115.44 GBP

Regular price Sale price £115.44 GBP
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Vertex Top End Piston Kit SX125/TC125 23-25 (RE) B - 53.95 mm 8VTK24445B-4

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Vertex Top End Piston Kit SX125/TC125 23-25 (RE) B - 53.95 mm 8VTK24445B-4

Regular price £115.44 GBP

Regular price Sale price £115.44 GBP
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Vertex Top End Piston Kit SX125 16-22/MC125 21-23 (RE) B - 53.95 mm 8VTK24445B-3

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Vertex Top End Piston Kit SX125 16-22/MC125 21-23 (RE) B - 53.95 mm 8VTK24445B-3

Regular price £115.44 GBP

Regular price Sale price £115.44 GBP
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Vertex Top End Piston Kit SX125/TC125 23-25 (RE) A - 53.94 mm 8VTK24445A-4

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Vertex Top End Piston Kit SX125/TC125 23-25 (RE) A - 53.94 mm 8VTK24445A-4

Regular price £115.44 GBP

Regular price Sale price £115.44 GBP
Unit price per

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Vertex Top End Piston Kit SX125/TC125 23-25/MC 125 24-25 A - 53.94 mm 8VTK24243A-4

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Vertex Top End Piston Kit SX125/TC125 23-25/MC 125 24-25 A - 53.94 mm 8VTK24243A-4

Regular price £115.44 GBP

Regular price Sale price £115.44 GBP
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Vertex Top End Piston Kit SX125/TC125 16-22/MC125 21-23 B - 53.95 mm 8VTK24520B-3

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Vertex Top End Piston Kit SX125/TC125 16-22/MC125 21-23 B - 53.95 mm 8VTK24520B-3

Regular price £145.11 GBP

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Vertex Top End Piston Kit SX125 16-22/MC125 21-23 (RE) C - 53.96 mm 8VTK24445C-3

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Vertex Top End Piston Kit SX125 16-22/MC125 21-23 (RE) C - 53.96 mm 8VTK24445C-3

Regular price £115.44 GBP

Regular price Sale price £115.44 GBP
Unit price per

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Vertex Top End Piston Kit SX125/TC125 23-25/MC125 24-25 A - 53.94 mm 8VTK24520A-4

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Vertex Top End Piston Kit SX125/TC125 23-25/MC125 24-25 A - 53.94 mm 8VTK24520A-4

Regular price £119.55 GBP

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Racetech Fork Guard SX125/150/250 16-23 Quantum Grey

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Racetech Fork Guard SX125/150/250 16-23 Quantum Grey

Regular price £29.81 GBP

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Racetech Front Number Plate SX125/150/250/SXF250/350 19-22 White

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Racetech Front Number Plate SX125/150/250/SXF250/350 19-22 White

Regular price £24.17 GBP

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Racetech Frame Guard SX125/150/250 19-22 Black / KTM Orange

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Racetech Frame Guard SX125/150/250 19-22 Black / KTM Orange

Regular price £34.65 GBP

Regular price Sale price £34.65 GBP
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Racetech Plastic Kit SX125/250/300/SXF350/450 23-24 (6 pcs) KTM Orange / Black

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Racetech Plastic Kit SX125/250/300/SXF350/450 23-24 (6 pcs) KTM Orange / Black

Regular price £95.99 GBP

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Racetech Front Number Plate SX125/250/300/SXF250/350 23-24 Neon Orange

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Racetech Front Number Plate SX125/250/300/SXF250/350 23-24 Neon Orange

Regular price £18.51 GBP

Regular price Sale price £18.51 GBP
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Racetech Front Number Plate SX125/250/300/SXF250/350 23-24 White

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Racetech Front Number Plate SX125/250/300/SXF250/350 23-24 White

Regular price £18.51 GBP

Regular price Sale price £18.51 GBP
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Racetech Front Number Plate SX125/150/250/SXF250/350 19-22 Black

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Racetech Front Number Plate SX125/150/250/SXF250/350 19-22 Black

Regular price £24.17 GBP

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Racetech Front Number Plate SX125/250/300/SXF250/350 23-24 Black

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Racetech Front Number Plate SX125/250/300/SXF250/350 23-24 Black

Regular price £18.51 GBP

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Collection: KTM 125 SX Parts & Spares

Shop KTM 125 SX by part type

Vertex Top End Piston Kit SX125/TC125 23-25 (RE) C - 53.96 mm 8VTK24445C-4

Vertex Top End Piston Kit SX125/TC125 23-25 (RE) C - 53.96 mm 8VTK24445C-4

Vertex Top End Piston Kit SX125/TC125 23-25 (RE) B - 53.95 mm 8VTK24445B-4

Vertex Top End Piston Kit SX125/TC125 23-25 (RE) B - 53.95 mm 8VTK24445B-4

Vertex Top End Piston Kit SX125 16-22/MC125 21-23 (RE) B - 53.95 mm 8VTK24445B-3

Vertex Top End Piston Kit SX125 16-22/MC125 21-23 (RE) B - 53.95 mm 8VTK24445B-3

Vertex Top End Piston Kit SX125/TC125 23-25 (RE) A - 53.94 mm 8VTK24445A-4

Vertex Top End Piston Kit SX125/TC125 23-25 (RE) A - 53.94 mm 8VTK24445A-4

Vertex Top End Piston Kit SX125/TC125 23-25/MC 125 24-25 A - 53.94 mm 8VTK24243A-4

Vertex Top End Piston Kit SX125/TC125 23-25/MC 125 24-25 A - 53.94 mm 8VTK24243A-4

Vertex Top End Piston Kit SX125/TC125 16-22/MC125 21-23 B - 53.95 mm 8VTK24520B-3

Vertex Top End Piston Kit SX125/TC125 16-22/MC125 21-23 B - 53.95 mm 8VTK24520B-3

Vertex Top End Piston Kit SX125 16-22/MC125 21-23 (RE) C - 53.96 mm 8VTK24445C-3

Vertex Top End Piston Kit SX125 16-22/MC125 21-23 (RE) C - 53.96 mm 8VTK24445C-3

Vertex Top End Piston Kit SX125/TC125 23-25/MC125 24-25 A - 53.94 mm 8VTK24520A-4

Vertex Top End Piston Kit SX125/TC125 23-25/MC125 24-25 A - 53.94 mm 8VTK24520A-4

Racetech Fork Guard SX125/150/250 16-23 Quantum Grey

Racetech Fork Guard SX125/150/250 16-23 Quantum Grey

Racetech Front Number Plate SX125/150/250/SXF250/350 19-22 White

Racetech Front Number Plate SX125/150/250/SXF250/350 19-22 White

Racetech Frame Guard SX125/150/250 19-22 Black / KTM Orange

Racetech Frame Guard SX125/150/250 19-22 Black / KTM Orange

Racetech Plastic Kit SX125/250/300/SXF350/450 23-24 (6 pcs) KTM Orange / Black

Racetech Plastic Kit SX125/250/300/SXF350/450 23-24 (6 pcs) KTM Orange / Black

Racetech Front Number Plate SX125/250/300/SXF250/350 23-24 Neon Orange

Racetech Front Number Plate SX125/250/300/SXF250/350 23-24 Neon Orange

Racetech Front Number Plate SX125/250/300/SXF250/350 23-24 White

Racetech Front Number Plate SX125/250/300/SXF250/350 23-24 White

Racetech Front Number Plate SX125/150/250/SXF250/350 19-22 Black

Racetech Front Number Plate SX125/150/250/SXF250/350 19-22 Black

Racetech Front Number Plate SX125/250/300/SXF250/350 23-24 Black

Racetech Front Number Plate SX125/250/300/SXF250/350 23-24 Black

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Collection: KTM 125 SX Parts & Spares

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