Specs compared

KTM 125 SX 2027
vs KTM 250 SX-F 2025

SpecKTM 125 SX 2027KTM 250 SX-F 2025
Years20272025
Engine125cc 2T250cc 4T
Stock gearing13T / 50TOwner's manual p. 14614T / 51TOwner's manual p. 148
Final drive ratio3.85 : 1Calculated from the stock sprockets3.64 : 1Calculated from the stock sprockets
Fork travel310 mm (12.2 in)Owner's manual p. 145310 mm (12.2 in)Owner's manual p. 147
Seat height958 mm (37.7 in)Owner's manual p. 146958 mm (37.7 in)Owner's manual p. 148
Weight92 kg (203 lb)Owner's manual p. 146101 kg (223 lb)Owner's manual p. 148

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