With over a decade of racing – and winning – under its seat, the KTM 350 SX-F has long shed its underdog label and proven itself a worthy adversary. Delivering usable power throughout the rev range, unwavering stability at speed, and true championship-winning credentials, the 2025 KTM 350 SX-F is once again READY TO RACE.
Key Specifications
Engine Type | 1-cylinder, 4-stroke engine |
Engine Capacity | 349.7 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) | ~ 110 kg / 242.5 lbs |
Seat Height | 958 mm / 38.77 inches |
*n/a – information not provided by manufacturer

All Specifications
Make & Model
Model | KTM 350 SX-F |
Year | 2025 |
Engine
Engine Type | 1-cylinder, 4-stroke engine |
Displacement | 349.7 cc |
Bore x Stroke | 88 x 57.5 mm |
Compression Ratio | 14.6:1 |
Number of Cylinders | 1 |
Max Horsepower | n/a |
Max Torque | n/a |
Valves per Cylinder | 4 |
Ø intake / exhaust valve dia | 36.3 mm / 29.1 mm |
Engine Management System | Keihin EMS |
Fuel-mixture System | Keihin EFI, throttle body 44 mm |
Ignition System | Contactless controlled fully electronic ignition with digital ignition system |
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 | Multidisc clutch in oil bath, hydraulically activated |
Gearbox | 5 speed transmission, claw shift |
Primary Drive Ratio | 24:72 |
Gear Ratios | 1st gear -13:32 2nd gear – 16:32 3rd gear – 17:28 4th gear – 19:26 5th gear – 21:25 |
Final Drive | Chain (520 X-Ring) |
Electrical & Electronics System
Battery | 12 V, HJTZ5S-FP-C, Lithium Ion |
Alternator/Generator | 14v, 70W |
Starter | Electric starter |
Headlight Type | LED |
Taillight Type | LED |
Riding Modes | 2 Maps (Map 1 & 2) |
Traction Control System | Yes |
Chassis & Suspension
Frame Type | Central double-cradle-type 25CrMo4 steel |
Front Suspension | WP XACT-USD Closed Cartridge 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 | D.I.D Alloy rims, Orange CNC machined hubs, Black spokes, Orange aluminum nipples |
Front Tire Size | 80/100 -21 51M TT |
Rear Tire Size | 110/90 – 19 62 M S TT (EU/US) 110/90 – 19 63 M S TT (BR) |
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 | 343 mm / 13.5 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 | ~ 101 kg / 222.66 lbs |

