Yamaha YZ 450F Monster Energy Racing Edition vs KTM SX 450 F (2026)

Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Yamaha YZ 450F Monster Energy Racing Editionstacks up against the KTM SX 450 F. Numbers pulled from manufacturer spec sheets — click either bike for the full review.

Spec comparison

SpecYamaha YZ 450F Monster Energy Racing EditionKTM SX 450 F
Model year20252026
Price$11,649
Engine450 cc449 cc
Weight109 kg102 kg
Seat height958 mm
Fuel capacity7.0 L
Fuel typepetrolpetrol
TransmissionManual, 5 speed, Chain
Front brakesHydraulic Disc
Rear brakesHydraulic Disc
TiresDunlop® MX33F 80/100 R21 / Dunlop® MX33 120/80 R19Dunlop® GEOMAX MX34 80/100 R21 51M / Dunlop® GEOMAX MX34 110/90 R19 62M

Yamaha YZ 450F Monster Energy Racing Edition vs KTM SX 450 F — which should you buy?

Picking between the Yamaha YZ 450F Monster Energy Racing Edition and the KTM SX 450 F usually comes down to the numbers you care about most. On paper, the Yamaha YZ 450F Monster Energy Racing Edition brings its published horsepower in a 109 kg package, while the KTM SX 450 F counters with its own power figure at 102 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: