Siamoto Supermotard 125 vs KTM SX 125 (2026)

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

Spec comparison

SpecSiamoto Supermotard 125KTM SX 125
Model year20032026
Price$8,449
Engine124 cc124 cc
Horsepower13 hp
Weight120 kg92 kg
Seat height34 mm958 mm
Fuel capacity2.6 L7.0 L
Fuel typepetrolpetrol
TransmissionManual, 6 speed, Chain
Front brakesHydraulic Disc
Rear brakesHydraulic Disc
TiresDunlop® GEOMAX MX34 80/100 R21 51M / Dunlop® GEOMAX MX34 100/90 R19 57M

Siamoto Supermotard 125 vs KTM SX 125 — which should you buy?

Picking between the Siamoto Supermotard 125 and the KTM SX 125 usually comes down to the numbers you care about most. On paper, the Siamoto Supermotard 125 brings 13 hp in a 120 kg package, while the KTM SX 125 counters with its own power figure at 92 kg.

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: