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

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

Spec comparison

SpecKTM SX 450 F Factory EditionYamaha YZ 450F Monster Energy Racing Edition
Model year20262025
Price$13,699
Engine449 cc450 cc
Weight106 kg109 kg
Seat height958 mm
Fuel capacity7.0 L
Fuel typepetrolpetrol
TransmissionManual, 5 speed, Chain
Front brakesHydraulic Disc
Rear brakesHydraulic Disc
TiresDunlop® GEOMAX MX34 80/100 R21 51M / Dunlop® GEOMAX MX34 120/80 R19 62MDunlop® MX33F 80/100 R21 / Dunlop® MX33 120/80 R19

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

Picking between the KTM SX 450 F Factory Edition and the Yamaha YZ 450F Monster Energy Racing Edition usually comes down to the numbers you care about most. On paper, the KTM SX 450 F Factory Edition brings its published horsepower in a 106 kg package, while the Yamaha YZ 450F Monster Energy Racing Edition counters with its own power figure at 109 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: