KTM

2 | Select A Year

125 SX

4 | Select A Sub Model

Parts for KTM 125 SX

Vertex Piston Ring Set 53.95mm

Vertex Piston Ring Set 53.95mm

$44.23

New Part

Vehicle Fitment for 75 Models

Replacement Piston Ring Set 54mm for Wiseco GP Pro Lite

Replacement Piston Ring Set 54mm for Wiseco GP Pro Lite

$54.91

New Part

Vehicle Fitment for 76 Models

Vertex Top End Single Piston Ring 57.95MM

Vertex Top End Single Piston Ring 57.95MM

$43.64

New Part

Vehicle Fitment for 58 Models

Wiseco GP Double Ring Piston 54mm STD

Wiseco GP Double Ring Piston 54mm STD

$172.54 $189.79

New Part

Vehicle Fitment for 68 Models

Wossner Complete Piston Kit 53.95mm Ring Circlip Wrist Pin

Wossner Complete Piston Kit 53.95mm Ring Circlip Wrist Pin

$121.64 $133.80

New Part

Vehicle Fitment for 6 Models

Wossner Complete Piston Kit 53.95mm Ring Circlip Wrist Pin

Wossner Complete Piston Kit 53.95mm Ring Circlip Wrist Pin

$121.64 $133.80

New Part

Vehicle Fitment for 94 Models

Wossner Complete Piston Kit 55.95mm Ring Circlip Wrist Pin

Wossner Complete Piston Kit 55.95mm Ring Circlip Wrist Pin

$140.16 $154.18

New Part

Vehicle Fitment for 32 Models

Wossner Complete Piston Kit 53.95mm Dual Ring Circlip Wrist Pin

Wossner Complete Piston Kit 53.95mm Dual Ring Circlip Wrist Pin

$121.64 $133.80

New Part

Vehicle Fitment for 71 Models

Wossner Complete Piston Kit 53.96mm Dual Ring Circlip Wrist Pin

Wossner Complete Piston Kit 53.96mm Dual Ring Circlip Wrist Pin

$121.64 $133.80

New Part

Vehicle Fitment for 71 Models

Wiseco Piston 54.25mm

Wiseco Piston 54.25mm

$157.22 $160.34

New Part

Vehicle Fitment for 4 Models

Wiseco GP Style Piston 58mm STD

Wiseco GP Style Piston 58mm STD

$185.75 $204.33

New Part

Vehicle Fitment for 19 Models

ProX Piston Kit 53.96mm

ProX Piston Kit 53.96mm

$116.08 $127.69

New Part

Vehicle Fitment for 86 Models

ProX Piston Kit 53.94mm

ProX Piston Kit 53.94mm

$126.37 $139.01

New Part

Vehicle Fitment for 86 Models

ProX Piston Kit 53.95mm

ProX Piston Kit 53.95mm

$122.86 $135.15

New Part

Vehicle Fitment for 79 Models

ProX Moly Piston Kit 53.94mm

ProX Moly Piston Kit 53.94mm

$125.80 $133.25

New Part

Vehicle Fitment for 6 Models

Vertex Forged Piston Kit 53.95mm

Vertex Forged Piston Kit 53.95mm

$200.25 $220.28

New Part

Vehicle Fitment for 11 Models

Athena Forged Piston Kit 53.96mm

Athena Forged Piston Kit 53.96mm

$163.40 $179.74

New Part

Vehicle Fitment for 67 Models

Vertex Replica Piston Kit 54.2mm Bore

Vertex Replica Piston Kit 54.2mm Bore

$170.06 $187.07

New Part

Vehicle Fitment for 8 Models

Vertex Cast Replica Piston Kit 53.96mm

Vertex Cast Replica Piston Kit 53.96mm

$158.59 $174.45

New Part

Vehicle Fitment for 68 Models

Vertex Cast Replica Piston Kit 53.95mm

Vertex Cast Replica Piston Kit 53.95mm

$158.36 $174.20

New Part

Vehicle Fitment for 68 Models

Vertex Cast Race Piston Kit 53.94mm

Vertex Cast Race Piston Kit 53.94mm

$143.06 $157.37

New Part

Vehicle Fitment for 65 Models

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