Specs compared

KTM 250 SX-F 2025
vs KTM 450 SX-F 2027

SpecKTM 250 SX-F 2025KTM 450 SX-F 2027
Years20252027
Engine250cc 4T450cc 4T
Stock gearing14T / 51TOwner's manual p. 14813T / 51TOwner's manual p. 153
Final drive ratio3.64 : 1Calculated from the stock sprockets3.92 : 1Calculated from the stock sprockets
Fork travel310 mm (12.2 in)Owner's manual p. 147310 mm (12.2 in)Owner's manual p. 152
Seat height958 mm (37.7 in)Owner's manual p. 148958 mm (37.7 in)Owner's manual p. 153
Weight101 kg (223 lb)Owner's manual p. 148103.2 kg (228 lb)Owner's manual p. 153

Each value shows where it came from. The bike pages list the document, page and date checked.