KTM SX 50 vs Yamaha TT-R 50E (2026)

Side-by-side spec comparison, pricing, and a plain-English breakdown of how the KTM SX 50stacks up against the Yamaha TT-R 50E. Numbers pulled from manufacturer spec sheets — click either bike for the full review.

Spec comparison

SpecKTM SX 50Yamaha TT-R 50E
Model year20262026
Price$5,099$1,899
Engine49 cc49 cc
Weight42 kg58 kg
Seat height653 mm556 mm
Fuel capacity2.0 L3.0 L
Fuel typepetrolpetrol
TransmissionAutomatic, 1 speed, ChainManual / Automatic Clutch, 3 speed, Chain
Front brakesHydraulic DiscDrum
Rear brakesHydraulic DiscDrum
TiresMaxxis® MX-ST 2.50 X 12 42J / Maxxis® MX-ST 2.75 X 10 38J2.50-10-4PR / 2.50-10-4PR

KTM SX 50 vs Yamaha TT-R 50E — which should you buy?

Picking between the KTM SX 50 and the Yamaha TT-R 50E usually comes down to the numbers you care about most. On paper, the KTM SX 50 brings its published horsepower in a 42 kg package, while the Yamaha TT-R 50E counters with its own power figure at 58 kg. On price, the Yamaha TT-R 50E 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: