When it comes to power-to-weight ratios, the KTM 300 SX writes the rule book. Now with learnings taken directly from the KTM Factory Racing teams, and a care package labeled “Go get ’em!”, the 2025 KTM 300 SX is engineered for one task alone – to lead from the front.
Key Specifications
| Engine Type | 1-cylinder, 2-stroke engine |
| Engine Capacity | 293.2 cc |
| Max Power | n/a |
| Max Torque | n/a |
| Top Speed | n/a |
| Fuel Tank Capacity | 7.2 L / 1.9 US gallons 8.5 L / 2.24 US gallons (US variant) |
| Weight (Wet/Kerb) | ~ 108 kg / 238 lbs |
| Seat Height | 958 mm / 38.77 inches |
*n/a – information not provided by manufacturer
All Specifications
Make & Model
| Model | KTM 300 SX |
| Year | 2025 |
Engine
| Engine Type | 1-cylinder, 2-stroke engine |
| Displacement | 293.2 cc |
| Bore x Stroke | 72 x 72 mm |
| Number of Cylinders | 1 |
| Max Horsepower | n/a |
| Max Torque | n/a |
| Engine Management System | Vitesco Technologies EMS |
| Fuel-mixture System | Keihin EFI, throttle body 39 mm |
| Ignition System | Electronic Ignition |
| Fuel | Super Unleaded (ROZ 95) |
Performance
| Top Speed | n/a |
| Acceleration (0-100 km/h, 0-60 mph) | n/a |
*n/a – information not provided by manufacturer
Transmission
| Clutch | Wet, DDS multi-disc clutch, Brembo hydraulics |
| Gearbox | 6 speed transmission, claw shift |
| Primary Drive Ratio | 26:72 |
| Gear Ratios | 1st gear -14:28 2nd gear – 16:26 3rd gear – 18:24 4th gear – 21:24 5th gear – 22:21 |
| Final Drive | Chain (520, Non-sealed) |
Electrical & Electronics System
| Battery | 12 V, 2Ah HJTZ5S-FP-C, Lithium Ion |
| Alternator/Generator | 14v, 200W |
| Starter | Electric starter |
| Headlight Type | LED |
| Taillight Type | LED |
| Riding Modes | 2 Maps (Map 1 & 2) |
Chassis & Suspension
| Frame Type | Central double-cradle-type 25CrMo4 steel |
| Front Suspension | WP XACT-USD (AER), Ø 48 mm |
| Front Suspension Travel | 310 mm / 12.2 inches |
| Rear Suspension | WP XACT Monoshock with linkage |
| Rear Suspension Travel | 300 mm / 11.8 inches |
| Rear Subframe | Aluminum-reinforced polyamide |
Wheels & Brakes
| Wheels | Alloy rims, spokes |
| Front Tire Size | 80/100 -21 51M TT |
| Rear Tire Size | 110/90 – 19 62M TT |
| Front Brakes | Disc brake 260 mm |
| Rear Brakes | Disc brake 220 mm |
Dimension & Weights
| Seat Height | 958 mm / 38.77 inches |
| Wheelbase | 1493 mm / 58.77 inches |
| Ground Clearance | 354 mm / 13.93 inches |
| Fuel Tank Capacity | 7.2 L / 1.9 US gallons 8.5 L / 2.24 US gallons (US variant) |
| Wet (kerb/curb) Weight | ~ 112 kg / 246.91 lbs |
| Dry Weight | ~ 99.4 kg / 219.13 lbs |
