The 2025 KTM 300 EXC HARDENDURO is ready to roll out of the racing van and onto the prologue starting line. Based on the already legendary KTM 300 EXC, the HARDENDURO sets itself apart with an exclusive HARDENDURO parts package. Hardcore protection parts, pull-straps, CNC-machined components – not to mention full-adjustable closed cartridge forks – and a totally unique graphics kit, makes this the ultimate HARDENDURO package for tackling the World's toughest offroad championship.
| Category |
Specification |
| Engine |
Single-cylinder, 2-stroke, liquid-cooled |
| Displacement |
293.15 cm³ |
| Power |
Approx. 53 hp (crank) |
| Torque |
Approx. 52 Nm (crank) |
| Fuel System |
Keihin EFI, 44 mm throttle body |
| Transmission |
6-speed Pankl gearbox; DDS hydraulic clutch |
| Final Drive |
520 X-Ring chain with Supersprox sprockets |
| Suspension (Front) |
WP XACT Closed Cartridge 48 mm USD fork, 300 mm travel |
| Suspension (Rear) |
WP XPLOR PDS shock, 310 mm travel |
| Brakes (Front) |
260 mm disc, Brembo caliper |
| Brakes (Rear) |
220 mm disc, Brembo caliper |
| Wheels |
21" front / 18" rear, spoked aluminium rims |
| Tyres |
Metzeler 6 Days Extreme |
| Seat Height |
963 mm |
| Wheelbase |
1,489 mm |
| Rake / Trail |
63.9° / ~110 mm |
| Tank Capacity / Range |
9.0 L / Approx. 100-120 km range |
| Weight (Wet) |
103.9 kg (dry weight) |
| Display |
LED Off-Road Control Unit (no TFT) |
| Service Interval |
Oil/filter every 15 hrs; valves/top-end every 30+ hrs |
