KTM SX 125 vs TM Racing SMR 125 Fi 2T (2026)

Side-by-side spec comparison, pricing, and a plain-English breakdown of how the KTM SX 125stacks up against the TM Racing SMR 125 Fi 2T. Numbers pulled from manufacturer spec sheets — click either bike for the full review.

Spec comparison

SpecKTM SX 125TM Racing SMR 125 Fi 2T
Model year20262023
Price$8,449$9,340
Engine124 cc125 cc
Weight92 kg100 kg
Seat height958 mm36 mm
Fuel capacity7.0 L2.3 L
Fuel typepetrolpetrol
TransmissionManual, 6 speed, Chain6-speed
Front brakesHydraulic DiscSingle disc. Brembo
Rear brakesHydraulic DiscSingle disc. Nissin
TiresDunlop® GEOMAX MX34 80/100 R21 51M / Dunlop® GEOMAX MX34 100/90 R19 57M120/70-17 / 150/60-17

KTM SX 125 vs TM Racing SMR 125 Fi 2T — which should you buy?

Picking between the KTM SX 125 and the TM Racing SMR 125 Fi 2T usually comes down to the numbers you care about most. On paper, the KTM SX 125 brings its published horsepower in a 92 kg package, while the TM Racing SMR 125 Fi 2T counters with its own power figure at 100 kg. On price, the KTM SX 125 has the lower MSRP.

Our spec tables above highlight the winning number on each line. For the full rider-focused reviews including real-world fuel economy, service costs and available colors, click into either bike: