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.
Shop KTM 125 SX by part type
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Arrow Rear assembly for Arrow 52509AK Aprilia RX / SX 125 5009524
Regular price £96.60 GBPRegular priceUnit price / perSale price £96.60 GBPSold out -
Arrow Thunder titanium silencer with carby end cap Aprilia RX / SX 125 2018–2020 52509PK
Regular price £525.48 GBPRegular priceUnit price / perSale price £525.48 GBPSold out -
Arrow Rear Strap For Rivets for Arrow 52507XKN Honda MSX 125 Grom 5495509
Regular price £6.05 GBPRegular priceUnit price / perSale price £6.05 GBP -
Arrow Racing collector Aprilia RX / SX 125 2025–2026 52007PD
Regular price £245.97 GBPRegular priceUnit price / perSale price £245.97 GBPSold out -
Arrow Thunder aluminium "Dark" silencer with carby end cap Aprilia RX / SX 125 2018–2020 52509AKN
Regular price £410.31 GBPRegular priceUnit price / perSale price £410.31 GBPSold out -
Arrow Strap For Rivets (Rear) for Arrow 52509PK Aprilia RX / SX 125 5495060
Regular price £6.05 GBPRegular priceUnit price / perSale price £6.05 GBPSold out -
Arrow Racing collector Honda MSX 125 Grom 2021–2024 52006MI
Regular price £188.95 GBPRegular priceUnit price / perSale price £188.95 GBPSold out -
Arrow X-Kone "Dark" silencer Honda MSX 125 Grom 2021–2024 52511XKN
Regular price £447.21 GBPRegular priceUnit price / perSale price £447.21 GBPSold out -
Arrow Front Strap For Rivets for Arrow 52507XKN Honda MSX 125 Grom 5495428
Regular price £6.05 GBPRegular priceUnit price / perSale price £6.05 GBPSold out -
Arrow Catalytic collector Honda MSX 125 Grom 2016–2020 52005KZ
Regular price £352.17 GBPRegular priceUnit price / perSale price £352.17 GBPSold out -
Arrow X-Kone silencer Honda MSX 125 Grom 2021–2024 52511XKI
Regular price £420.38 GBPRegular priceUnit price / perSale price £420.38 GBPSold out -
Arrow Silencer Sleeve for Arrow 52507XKN Honda MSX 125 Grom 5265021
Regular price £192.07 GBPRegular priceUnit price / perSale price £192.07 GBPSold out -
Arrow Rear strap for rivets for Arrow 52509AK Aprilia RX / SX 125 5495449
Regular price £6.05 GBPRegular priceUnit price / perSale price £6.05 GBPSold out -
ProX water pump rebuild kit KTM 125 SX 1993–1997 57.6213
Regular price £47.98 GBPRegular priceUnit price / perSale price £47.98 GBPSold out -
ProX top end gasket set KTM 125 SX 1998–2001 35.6220
Regular price £32.62 GBPRegular priceUnit price / perSale price £32.62 GBPSold out -
ProX top end gasket set KTM 125 SX 2002–2006 35.6222
Regular price £32.62 GBPRegular priceUnit price / perSale price £32.62 GBPSold out