Shop KTM 125 SX by part type
CDI UNIT KTM 2000-2004 200 EXC 1997-2004 125 SX 200 300 360 380 52339031300 CU7434
£90.77 GBP
CDI UNIT 1997-2004 KTM SX 125 EXC 200 300 360 380 52339031300 CU7434
£114.77 GBP
Boyesen RAD Valve Replacement Boot for KTM 125 SX 1984–1997 RB-11
£13.11 GBP
Front Master Cylinder Rebuild SX125 05 18-1022
£19.32 GBP
Boyesen RAD Valve Boot and Clamp Kit for KTM 125 SX 1984–1997 RBK-11
£21.93 GBP
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Boyesen RAD Valve Replacement Reeds for KTM 125 SX 1998 PSR-102
£91.94 GBP
Boyesen RAD Valve for KTM 125 MX / 125 SX RAD41
£218.52 GBP
Blackbird Racing Clutch Cover Protection Decal for KTM SX 125-144 2016–2026 5515/04
£12.09 GBP
Blackbird Racing Pre-Cut Number Plate Backgrounds – Yellow for KTM SX 125-525 2003 3508/40
£23.07 GBP
Blackbird Racing Pre-Cut Number Plate Backgrounds – Blue for KTM SX 125-525 2003 3508/70
£23.07 GBP
Blackbird Racing Pre-Cut Number Plate Backgrounds – Green for KTM SX 125-525 2003 3508/30
£23.07 GBP
Blackbird Racing Pre-Cut Number Plate Backgrounds – Red for KTM SX 125-525 2003 3508/60
£23.07 GBP
Blackbird Racing Pre-Cut Number Plate Backgrounds – White for KTM SX 125-525 2003 3508/10
£23.07 GBP
CYLINDER TOP END REBUILD KIT 14-21 HONDA GROM MSX 125 57.00mm BIG BORE SILVER PISTON RING GASKET
£171.34 GBP
AXP Racing Chain Guide Orange for KTM 125 SX 2023–2026 AX1666
£86.62 GBP
AXP Racing Chain Guide Orange for KTM 125 SX 2023–2026 AX1666
£86.62 GBP
Wiseco GP Series Piston Kit 54.00 mm for KTM 125 SX 2001–2006 836M05400
£143.42 GBP
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Wiseco GP Series Piston Kit 58.00 mm for KTM 125 SX 2001–2006 836M05800
£152.85 GBP
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Wiseco Pro-Lite Top End Kit 56.00 mm for KTM 125 SX 2002–2006 PK1513
£186.75 GBP
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Wiseco Pro-Lite Top End Kit 54.00 mm for KTM 125 SX 2002–2006 PK1512
£164.13 GBP
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Wiseco GP Series Piston Kit 56.00 mm for KTM 125 SX 2001–2006 836M05600
£152.85 GBP
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Wiseco Pro-Lite Piston Kit 54.25 mm for KTM 125 SX 1998–2000 740M05425
£120.79 GBP
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Wiseco Pro-Lite Piston Kit 56.25 mm for KTM 125 SX 1998–2000 740M05625
£139.65 GBP
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Wiseco Piston Ring Set 54.25 mm for KTM 125 SX 1998–2000 2136CS
£24.67 GBP
Wiseco Piston Ring Set 54.25 mm for KTM 125 SX 1987–1993 2136CD
£49.30 GBP
Wiseco GP Series Piston Kit 56.00 mm for KTM 125 SX 2001–2006 836M05600
£183.55 GBP
Wiseco GP Series Piston Kit 58.00 mm for KTM 125 SX 2001–2006 836M05800
£183.55 GBP
Wiseco Pro-Lite Piston Kit 54.25 mm for KTM 125 SX 1998–2000 740M05425
£145.03 GBP
Arrow X-Kone "Dark" silencer Honda MSX 125 Grom 2025–2026 52514XKN
£435.86 GBP
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Arrow Thunder aluminium "Dark" silencer with carby end cap Aprilia RX / SX 125 2025–2026 52013AKN
£467.33 GBP
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Arrow Thunder aluminium silencer with carby end cap Aprilia RX / SX 125 2018–2020 52509AK
£372.31 GBP
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Arrow Thunder aluminium "Dark" silencer Aprilia RX / SX 125 2018–2020 52509AON
£353.30 GBP
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Arrow X-Kone "Dark" silencer Honda MSX 125 Grom 2016–2020 52507XKN
£431.55 GBP
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Arrow Racing collector Honda MSX 125 Grom 2016–2020 52005MI
£172.17 GBP
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Arrow Thunder aluminium "Dark" silencer with carby end cap Aprilia RX / SX 125 2021–2024 52510AKN
£441.62 GBP
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Arrow Thunder aluminium silencer Aprilia RX / SX 125 2018–2020 52509AO
£353.30 GBP
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Arrow Racing collector Aprilia RX / SX 125 2018–2020 52001PD
£187.83 GBP
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Arrow Thunder aluminium silencer Aprilia RX / SX 125 2021–2024 52510AO
£386.83 GBP
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Arrow Racing collector Aprilia RX / SX 125 2021–2024 52002PD
£218.02 GBP
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Arrow Thunder aluminium "Dark" silencer Aprilia RX / SX 125 2021–2024 52510AON
£386.83 GBP
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Arrow Thunder titanium silencer with carby end cap Aprilia RX / SX 125 2018–2020 52509PK
£525.48 GBP
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Arrow Thunder aluminium "Dark" silencer with carby end cap Aprilia RX / SX 125 2018–2020 52509AKN
£410.31 GBP
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Arrow Racing collector Honda MSX 125 Grom 2021–2024 52006MI
£188.95 GBP
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Arrow X-Kone "Dark" silencer Honda MSX 125 Grom 2021–2024 52511XKN
£447.21 GBP
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Arrow X-Kone silencer Honda MSX 125 Grom 2021–2024 52511XKI
£420.38 GBP
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ProX water pump rebuild kit KTM 125 SX 1993–1997 57.6213
£47.98 GBP
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ProX top end gasket set KTM 125 SX 1998–2001 35.6220
£32.62 GBP
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ProX top end gasket set KTM 125 SX 2002–2006 35.6222
£32.62 GBP
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ProX top end gasket set KTM 125 SX 1991–1997 35.6211
£33.10 GBP
ProX swingarm bearing kit KTM 125 SX 1998–2003 26.210088
£86.86 GBP
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ProX linkage bearing kit KTM 125 SX 1993–1997 26.110130
£93.58 GBP
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ProX piston kit 54.21mm piston KTM 125 SX 1994–1997 01.6219.C
£118.54 GBP
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ProX piston kit 54.19mm piston KTM 125 SX 1994–1997 01.6219.A
£118.54 GBP
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ProX piston kit 54.22mm piston KTM 125 SX 1994–1997 01.6219.D
£118.54 GBP
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ProX piston kit 54.20mm piston KTM 125 SX 1994–1997 01.6219.B
£118.54 GBP
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ProX lower shock bearing kit KTM 125 SX 1993–1997 26.410024
£36.46 GBP
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ProX fork bushing set KTM 125 SX 2008–2012 39.160073
£56.62 GBP
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ProX fork bushing set KTM 125 SX 2000–2001 39.160053
£50.38 GBP
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ProX complete gasket set KTM 125 SX 2002–2006 34.6222
£78.70 GBP
ProX complete gasket set KTM 125 SX 1991–1997 34.6201
£81.58 GBP
ProX complete clutch plate set KTM 125 SX 2006–2008 16.CPS62006
£142.54 GBP
ProX slave cylinder rebuild kit KTM 125 SX 1998–1999 16.950007
£35.98 GBP
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ProX complete clutch plate set KTM 125 SX 2006–2008 16.CPS62006
£126.43 GBP
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ProX clutch basket KTM 125 SX 2006–2008 17.6226F
£251.37 GBP
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ProX fork bushing set KTM 125 SX 2000–2001 39.160053
£44.54 GBP
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ProX piston kit 53.94mm piston KTM 125 SX 2001–2006 01.6220.A
£99.69 GBP
ProX complete gasket set KTM 125 SX 2002–2006 34.6222
£69.81 GBP
ProX slave cylinder rebuild kit KTM 125 SX 1998–1999 16.950007
£31.97 GBP
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ProX piston kit 54.20mm piston KTM 125 SX 1994–1997 01.6219.B
£105.26 GBP
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ProX master cylinder rebuild kit KTM 125 SX 1998–2003 16.940002
£35.14 GBP
ProX piston kit 53.96mm piston KTM 125 SX 2001–2006 01.6220.C
£99.69 GBP
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ProX piston kit 54.22mm piston KTM 125 SX 1994–1997 01.6219.D
£105.26 GBP
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ProX top end gasket set KTM 125 SX 2002–2006 35.6222
£28.99 GBP
ProX lower shock bearing kit KTM 125 SX 1993–1997 26.410024
£32.13 GBP
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ProX piston kit 53.97mm piston KTM 125 SX 2001–2006 01.6220.D
£99.69 GBP
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ProX ignition cover gasket KTM 125 SX 1993–1997 19.G96213
£5.21 GBP
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ProX front wheel spacer kit KTM 125 SX 1994–1999 26.710086
£16.06 GBP
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ProX swingarm bearing kit KTM 125 SX 1998–2003 26.210088
£77.01 GBP
Sold out
ProX piston kit 53.95mm piston KTM 125 SX 2001–2006 01.6220.B
£99.69 GBP
ProX top end gasket set KTM 125 SX 1998–2001 35.6220
£28.99 GBP
ProX front master cylinder rebuild kit KTM 125 SX 2005–2005 37.910022
£19.89 GBP
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ProX linkage bearing kit KTM 125 SX 1993–1997 26.110130
£83.19 GBP
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ProX complete gasket set KTM 125 SX 1998–2001 34.6218
£69.81 GBP
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ProX water pump rebuild kit KTM 125 SX 1993–1997 57.6213
£42.41 GBP
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ProX piston kit 54.19mm piston KTM 125 SX 1994–1997 01.6219.A
£105.26 GBP
Sold out
ProX carburettor rebuild kit KTM 125 SX 1998–2008 55.10517
£25.32 GBP
ProX front wheel spacer kit KTM 125 SX 2000–2002 26.710089
£15.74 GBP
Sold out
ProX top end gasket set KTM 125 SX 1991–1997 35.6211
£28.99 GBP
Sold out
ProX front master cylinder rebuild kit KTM 125 SX 1994–1999 37.910025
£19.89 GBP
Sold out
ProX fork bushing set KTM 125 SX 2008–2012 39.160073
£50.16 GBP
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ProX rear brake caliper rebuild kit KTM 125 SX 2001–2002 37.63050
£21.63 GBP
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ProX piston kit 54.21mm piston KTM 125 SX 1994–1997 01.6219.C
£105.26 GBP
Sold out
ProX complete gasket set KTM 125 SX 1991–1997 34.6201
£72.31 GBP
Sold out
ProX piston ring set KTM 125 SX 1994–1997 02.6219
£25.73 GBP
ProX water pump rebuild kit KTM 125 SX 1993–1997 57.6213
£47.98 GBP
Sold out
ProX linkage bearing kit KTM 125 SX 1993–1997 26.110130
£93.58 GBP
Sold out
ProX swingarm bearing kit KTM 125 SX 1998–2003 26.210088
£86.86 GBP
Sold out
ProX lower shock bearing kit KTM 125 SX 1993–1997 26.410024
£36.46 GBP
Sold out
ProX top end gasket set KTM 125 SX 1998–2001 35.6220
£32.62 GBP
Sold out
ProX top end gasket set KTM 125 SX 2002–2006 35.6222
£32.62 GBP
Sold out
ProX slave cylinder rebuild kit KTM 125 SX 1998–1999 16.950007
£35.98 GBP
Sold out
ProX fork bushing set KTM 125 SX 2000–2001 39.160053
£50.38 GBP
Sold out
ProX fork bushing set KTM 125 SX 2008–2012 39.160073
£56.62 GBP
Sold out
ProX top end gasket set KTM 125 SX 1991–1997 35.6211
£33.10 GBP
ProX complete gasket set KTM 125 SX 1991–1997 34.6201
£81.58 GBP
ProX complete clutch plate set KTM 125 SX 2006–2008 16.CPS62006
£142.54 GBP
ProX piston ring set KTM 125 SX 1994–1997 02.6219
£33.57 GBP
ProX water pump rebuild kit KTM 125 SX 1993–1997 57.6213
£55.29 GBP
ProX clutch basket KTM 125 SX 2006–2008 17.6226F
£327.72 GBP
ProX air filter KTM 125 SX 1986–1997 52.62086
£18.77 GBP
ProX air filter KTM 125 SX 2007–2009 52.62007
£18.77 GBP
AXP Racing Xtrem Skid Plate 8 mm Orange for KTM 125 SX 2023–2026 AX1672
£127.66 GBP
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W/B Kit Rear SX125-300 23-25/RR250-520 11-22 25-1404
£20.18 GBP
Top Triple Clamp SX125/150/SXF250 13-22 (OS 22 mm) 40505000
£151.11 GBP
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Top End Piston Kit SX125/ TC125 23-25/MC125 24-25 8VTK23928D-4
£115.42 GBP
Top End Piston Kit SX125/ TC125 23-25/MC125 24-25 8VTK23928E-4
£115.42 GBP
Top End Piston Kit SX125/ TC125 23-25/MC125 24-25 8VTK23928C-4
£115.42 GBP
Top End Piston Kit SX125/ TC125 23-25/MC125 24-25 8VTK23928A-4
£115.42 GBP
Top End Piston Kit SX125/EXC125 01 8VTK23928A
£111.31 GBP
Top End Piston Kit SX125 16-22 (RE) 8VTK24243C-3
£115.42 GBP
Top End Piston Kit SX125 16-22 (RE) 8VTK24243D-3
£115.42 GBP
Top End Piston Kit SX125/ TC125 23-25/MC125 24-25 8VTK23928B-4
£115.42 GBP
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Top End Piston Kit SX125 16-22 (RE) 8VTK24243B-3
£115.42 GBP
Top End Piston Kit SX125 16-22 (RE) 8VTK24243A-3
£115.42 GBP
Top End Piston Kit 2T SX125/TC125 16-22 8VTK23928A-3
£115.42 GBP
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Top End Piston Kit 2T SX125/TC125 16-22 8VTK23928D-3
£115.42 GBP
Top End Piston Kit 2T SX125 07-15/TC125 14-15 8VTK23928C-2
£115.42 GBP
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Top End Piston Kit 2T SX125/TC125 16-22 8VTK23928C-3
£115.42 GBP
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Top End Piston Kit 2T SX125 07-15/TC125 14-15 8VTK23928B-2
£115.42 GBP
Top End Piston Kit 2T SX125/TC125 16-22 8VTK23928E-3
£115.42 GBP
Top End Piston Kit 2T SX125 07-15/TC125 14-15 8VTK23928A-2
£115.42 GBP
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Top End Piston Kit 2T SX125/TC125 16-22 8VTK23928B-3
£115.42 GBP
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Top End Gasket Kit SX125 16-22/TC125 16-22 860VG810029
£43.68 GBP
Top End Gasket Kit SX125 23-26/TC125 23-26 35.6223
£60.46 GBP
Top End Gasket Kit SX125 23-25 860VG8100071
£40.39 GBP
Top End Gasket Kit 125SX,EXC 91-97 860VG810303
£20.19 GBP
Top End Gasket Kit 125SX,EXC 98-01 860VG810304
£19.77 GBP
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Top End Gasket Kit 125SX,EXC 02-06 860VG810309
£19.77 GBP
Swingarm Linkage Bearing Kit SX125/250/300 25 26.110217
£117.10 GBP
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Swingarm Linkage Bearing Kit SX125/250/300 23-24 26.110198
£109.42 GBP
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Swingarm Chain Slider SX125-144-150-250 07-10 R-SLIKTMNR007
£22.56 GBP
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Swingarm Chain Slider SX125-144-150-250 07-10 R-SLIKTMAR007
£22.56 GBP
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Swingarm Chain Slider SX125-144-150-250 07-10 R-SLIKTMAH007
£22.56 GBP
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Steering Bearing Kit SX125/250/300 23-24 24.110068
£38.38 GBP
AXP Racing Skid Plate 6 mm Orange for KTM 125 SX 2023–2026 AX1669
£77.50 GBP
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Silencer (Alu) SX125 16-18/TX125 17-18 FRTCR125KT0016XP
£136.78 GBP
Silencer (Carb) SX125 16-18/EXC125 17-18 FRTCR125KT0016OT
£185.64 GBP
Silencer (Alu) SX125 04-15/TE 14-16 FRTCR125KT1115XP
£136.78 GBP
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Side Panels SX125/250/300 23-24 R-FIKTMAN0023
£28.20 GBP
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Side Panels SX125/250/300 23-24 R-FIKTMNR0023
£28.20 GBP
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Side Panels SX125/250/300 23-24 R-FIKTMBN0023
£28.20 GBP
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Side Panels SX125/250/300 23-24 R-FIKTMAR0023
£28.20 GBP
Reed Valve System SX125 98-15
£163.18 GBP
Rearwheel Spacer Kit SX125/250/300 23-26 26.710109
£33.58 GBP
Sold out
Rear Master Cylinder Rebuild SX125 94-03 18-1029
£19.32 GBP
Rear Fender SX125/250/300 23-24/SXF250/350 23-24 R-PPKTMAR0023
£28.20 GBP
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Rear Fender SX125/250/300 23-24/SXF250/350 23-24 R-PPKTMBN0023
£28.20 GBP
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Rear Fender SX125/250/300 23-24/SXF250/350 23-24 R-PPKTMNR0023
£28.20 GBP
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Rear Fender SX125/250/300 23-24/SXF250/350 23-24 R-PPKTMAN0023
£28.20 GBP
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Rear Brake Pedal Rebuild Kit SX125/250/300 23-26 37.RBPK004
£44.14 GBP
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Rear Brake Pad SX125/200/250 94-03 (10 pcs) 37.204202BX
£217.90 GBP
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ProX rear brake caliper rebuild kit KTM 125 SX 2001–2002 37.63050
£24.46 GBP
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Race Swingarm Kit SX125-300 98-03 FXBE5200255ST
£46.23 GBP
Race Swingarm Kit SX85 03-24 SX125 >97 SX250 94-95 FXBE5200155ST
£43.46 GBP
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Race Swingarm Kit SX125/SXF250/350 >16 SXF450 >13 FXBE5200355ST
£46.23 GBP
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Race Kickstart Lever SX125/150 98-15 TC125 14-15 FXKS5030099H3
£73.99 GBP
Race Kickstart Lever SX125/150 98-15 TC125 14-15 FXKS5030055OR
£73.99 GBP
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Race Kickstart Lever SX125/150 98-15 TC125 14-15 FXKS7030055BU
£73.99 GBP
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Race Front Wheel Bearing Kit SX125/250/380 94-99 FXBE5500355ST
£12.94 GBP
RSH/B Kit Upper SX125-250 12-22/SXF250-450 11-22 29-5068
£25.75 GBP
RSH/B Kit Low SX125-150 12-20/SX250 12-22 29-5066
£20.74 GBP
ROCS Pro SX125/150/SXF250/350 13-22 (OS 20-22 mm) 40502009
£521.13 GBP
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ROCS Tech SX125/150/250/SXF250/350 23-26 (OS 22mm) 40501005
£437.74 GBP
ROCS Tech SX125/150/250/SXF250/350 23-26 (OS 22mm) 40501010
£437.74 GBP
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Pro ST Rear Brake Pedal SX/TC125 SXF/FC250-450 16 FXRB5040199OR
£55.51 GBP
Pro ST Rear Brake Pedal SX/TC125 SXF/FC250-450 16 FXRB5040199HA
£55.51 GBP
Pro ST Rear Brake Pedal SX/TC125 SXF/FC250-450 16 FXRB7040199BU
£55.51 GBP
Pro FT Rear Brake Pedal SX/TC125 SXF/FC250-450 16 FXRB7040099BU
£55.51 GBP
Pro FT Rear Brake Pedal SX/TC125 SXF/FC250-450 16 FXRB5040099OR
£55.51 GBP
Pro Clutch Cover SX125/ EXC150 & TC125/ TE150i >26 FXCC5120099H2
£143.37 GBP
Pro Clutch Cover SX125/150/TC125 16-22 MC125 21-23 FXCC5080099H2
£157.23 GBP
Pressure Plate SX125 19-26/TC125 19-22/MC125 21-26 H505-PP-1901
£244.78 GBP
Sold out
Pressure Plate SX125 98-18/TC125 14-18/MC125 87-99 H074
£244.78 GBP
Sold out
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CDI UNIT KTM 2000-2004 200 EXC 1997-2004 125 SX 200 300 360 380 52339031300 CU7434
Regular price £90.77 GBPRegular priceUnit price per -
Lever Front Brake Aprilia RX/SX125 H07-5637B
Regular price £7.10 GBPRegular priceUnit price per -
CDI UNIT 1997-2004 KTM SX 125 EXC 200 300 360 380 52339031300 CU7434
Regular price £114.77 GBPRegular priceUnit price per -
CONNECTING ROD 89-97 KTM125, WOSSNER P2056 KTM125 SX/EXC
Regular price £119.88 GBPRegular priceUnit price per -
Boyesen RAD Valve Replacement Boot for KTM 125 SX 1984–1997 RB-11
Regular price £13.11 GBPRegular priceUnit price per -
Front Master Cylinder Rebuild SX125 05 18-1022
Regular price £19.32 GBPRegular priceUnit price per -
RADIATOR SET OVERSIZE KTM SX 125/150 16-18, 50435007100 50435007200 50435008100 50435008200
Regular price £140.57 GBPRegular priceUnit price per -
HPI Ignition for 1984-2016 KTM MX125 & SX125
Regular price £230.00 GBPRegular priceUnit price per -
Boyesen RAD Valve Boot and Clamp Kit for KTM 125 SX 1984–1997 RBK-11
Regular price £21.93 GBPRegular priceUnit price per -
Boyesen RAD Valve Replacement Reeds for KTM 125 SX 1998 PSR-102
Regular price £91.94 GBPRegular priceUnit price per -
Boyesen RAD Valve for KTM 125 MX / 125 SX RAD41
Regular price £218.52 GBPRegular priceUnit price per -
Blackbird Racing Clutch Cover Protection Decal for KTM SX 125-144 2016–2026 5515/04
Regular price £12.09 GBPRegular priceUnit price per -
Blackbird Racing Pre-Cut Number Plate Backgrounds – Yellow for KTM SX 125-525 2003 3508/40
Regular price £23.07 GBPRegular priceUnit price per -
Blackbird Racing Pre-Cut Number Plate Backgrounds – Blue for KTM SX 125-525 2003 3508/70
Regular price £23.07 GBPRegular priceUnit price per -
Blackbird Racing Pre-Cut Number Plate Backgrounds – Green for KTM SX 125-525 2003 3508/30
Regular price £23.07 GBPRegular priceUnit price per -
Blackbird Racing Pre-Cut Number Plate Backgrounds – Red for KTM SX 125-525 2003 3508/60
Regular price £23.07 GBPRegular priceUnit price per
