The KTM 125 SX is the most compact and lightest of the big bikes, with a thrilling ride that no other bike can match.
The most competitive 125 cc 2-stroke engine in its class teams up with a lightweight frame to satisfy the expectations of any young adrenaline junkie. The ultimate pro entrance and ... show more
The KTM 125 SX is the most compact and lightest of the big bikes, with a thrilling ride that no other bike can match.
The most competitive 125 cc 2-stroke engine in its class teams up with a lightweight frame to satisfy the expectations of any young adrenaline junkie. The ultimate pro entrance and a must-have addition to the collection, this 2-stroke blaster is the ideal entry point into the pro ranks.
KTM SX125 Aftermarket Parts
Aftermarket parts for the KTM SX125 are readily available to assist you enhance the performance of your bike. The KTM SX125 is an excellent bike for racing and off-road riding. If you want to improve the performance of your KTM SX125, you should consider upgrading the suspension.
WP Suspension forks are standard on the KTM SX125. These forks are ideal for absorbing little bumps, but they aren't made for serious strikes. If you ride in an area with a lot of rocks or roots, you should upgrade to aftermarket forks. There are several different fork brands that will fit the KTM SX125.
Upgrading the brakes on your KTM SX125 will greatly improve its handling. The Brembo brakes on the KTM SX125 are factory-installed. Alloy rims and disc brakes give you increased stopping power. However, due to their aluminium composition, the brakes aren't ideal for heavy braking. If you ride in a location with a lot of hills or tight turns, it's probably worth upgrading to aftermarket brakes. There are many different brands of brakes that will fit the KTM SX125. ProX and Galfer are sintered and can meet and exceed OEM specs giving you an edge over other riders.
If you are looking for complete engine rebuilds then look no further. We carry a big range of Top End Rebuild Kits, Bottom End Rebuild Kits - all packed ready for an all in one solution. All bearings, engine and suspension can be found here as well as all your braking and clutch kits
show less