Specs compared

KTM 125 SX 2027
vs KTM 150 SX 2025

SpecKTM 125 SX 2027KTM 150 SX 2025
Years20272025
Engine125cc 2T150cc 2T
Stock gearing13T / 50TOwner's manual p. 14613T / 48TOwner's manual p. 134
Final drive ratio3.85 : 1Calculated from the stock sprockets3.69 : 1Calculated from the stock sprockets
Fork travel310 mm (12.2 in)Owner's manual p. 145310 mm (12.2 in)Owner's manual p. 134
Seat height958 mm (37.7 in)Owner's manual p. 146958 mm (37.7 in)Owner's manual p. 134
Weight92 kg (203 lb)Owner's manual p. 14692.1 kg (203 lb)Owner's manual p. 134

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