2023 KTM 125 SX vs 2022 Yamaha YZ125

Side-by-side specs. Differences are highlighted. Blank = not yet verified for that year-model (we don’t guess).

Spec2023 KTM 125 SX2022 Yamaha YZ125
Class125cc 2-stroke125cc 2-stroke
Displacement
Cooling
InductionSingle-cylinder, air-cooled engine with a single overhead valve (SOV)Single carburetor
Power valve
Transmission5-speed5-speed
Front travel120 in120 in
Rear travel130 in135 in
Front brake280mm280mm
Rear brake245mm245mm
Front wheel
Rear wheel
Seat height34.5 in34.5 in
Weight119 lb145 lb
MSRP

Highlighted (blue) rows differ between the two. Verified manufacturer data; see each bike’s page for sources. Torque/fluid specs are on the individual pages (service-manual only).