Compare Dirt Bikes

Pick any two bikes to see specs and photos side by side. Differences are highlighted. Blank = not yet verified for that year-model (we don’t guess).

KTM

2025 KTM 125 SX

Class	125cc 2-stroke
Displacement	124.8cc
Bore × stroke	—
Cooling	—
Induction	Keihin EFI, throttle body 39 mm
Power valve	—
Starter	Electric starter
Transmission	6-speed
Front suspension	WP XACT-USD (AER), 48 mm
Front travel	—
Rear travel	—
Front brake	—
Rear brake	—
Front wheel	—
Rear wheel	—
Seat height	37.8 in
Wheelbase	—
Weight	203.6 lb (without fuel)
Fuel capacity	1.9 gal
MSRP	—

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