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.
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Blackbird Racing Pre-Cut Number Plate Backgrounds – White for KTM SX 125-525 2003 3508/10
Regular price £23.07 GBPRegular priceUnit price / perSale price £23.07 GBP -
CYLINDER TOP END REBUILD KIT 14-21 HONDA GROM MSX 125 57.00mm BIG BORE SILVER PISTON RING GASKET
Regular price £171.34 GBPRegular priceUnit price / perSale price £171.34 GBP -
AXP Racing Chain Guide Orange for KTM 125 SX 2023–2026 AX1666
Regular price £86.62 GBPRegular priceUnit price / perSale price £86.62 GBP -
AXP Racing Chain Guide Orange for KTM 125 SX 2023–2026 AX1666
Regular price £86.62 GBPRegular priceUnit price / perSale price £86.62 GBP -
Pirelli Scorpion SX 125/80-19 Rear 63M Tyre 1993500
Regular price £65.45 GBPRegular priceUnit price / perSale price £65.45 GBP -
HEL Performance Front Brake Line Kit 1 Line Standard Routing Honda MSX125 2013–2017 HBF2295
Regular price £38.55 GBPRegular priceUnit price / perSale price £38.55 GBPSold out -
HEL Performance Rear Brake Line Kit 1 Line Honda MSX125 2013–2017 HBR2295
Regular price £38.55 GBPRegular priceUnit price / perSale price £38.55 GBPSold out -
HEL Performance Rear Brake Line Kit 1 Line KTM 125 SX 2000–2005 HBR5010
Regular price £38.55 GBPRegular priceUnit price / perSale price £38.55 GBPSold out -
HEL Performance Front Brake Line Kit 1 Line Standard Routing KTM 125 SX 2000–2005 HBF5010
Regular price £38.55 GBPRegular priceUnit price / perSale price £38.55 GBPSold out -
HEL Performance Rear Brake Line Kit 1 Line Aprilia SX125 2008–2011 HBR0097
Regular price £38.55 GBPRegular priceUnit price / perSale price £38.55 GBPSold out -
HEL Performance Front Brake Line Kit 1 Line Standard Routing Aprilia SX125 2008–2011 HBF0097
Regular price £38.55 GBPRegular priceUnit price / perSale price £38.55 GBPSold out -
Wiseco GP Series Piston Kit 54.00 mm for KTM 125 SX 2001–2006 836M05400
Regular price £143.42 GBPRegular priceUnit price / perSale price £143.42 GBPSold out -
Wiseco GP Series Piston Kit 58.00 mm for KTM 125 SX 2001–2006 836M05800
Regular price £152.85 GBPRegular priceUnit price / perSale price £152.85 GBPSold out -
Wiseco Pro-Lite Top End Kit 56.00 mm for KTM 125 SX 2002–2006 PK1513
Regular price £186.75 GBPRegular priceUnit price / perSale price £186.75 GBPSold out -
Wiseco Bottom End Rebuild Kit for KTM 125 SX 2016–2017 WPC213
Regular price £446.74 GBPRegular priceUnit price / perSale price £446.74 GBPSold out -
Wiseco Piston Ring Set 54.25 mm for KTM 125 SX 1987–1993 2136CD
Regular price £37.82 GBPRegular priceUnit price / perSale price £37.82 GBPSold out