Potent Twin-Cylinder Powerplant 321cc liquid-cooled, inline 2-cylinder engine delivers excellent power and performance throughout the rpm range. With a 180-degree crank design and integrated counterbalancer, the layout minimizes vibrations for a smooth, refined engine character.
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High-Revving Engine Architecture With a compression ratio of 11.2:1, double overhead cams (DOHC) and four-valve cylinder heads, the YZF-R3 motor is designed for quick-revving performance and high-rpm efficiency to deliver an exciting ride and broad spread of power.
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Six-Speed Transmission A smooth-shifting six-speed gearbox ensures the rider always has the right ratio, whether riding through tight canyon corners or racetrack straightaways.
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Modern Fuel Injection Downdraft induction fuel injection system provides easy starting, excellent fuel economy, and responsive performance in all conditions.
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Advanced Cylinder Construction Yamaha’s unique all-aluminum DiASil cylinder is used to ensure excellent heat dissipation, with an innovative offset cylinder design that reduces horsepower loss and improves both power and fuel efficiency.
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Strong and Lightweight Pistons Forged aluminum pistons—the same technology used for the YZF-R1® and YZF-R6®—means lighter weight and excellent strength at higher temperatures, ensuring reliability at higher rpm.
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Compact Exhaust System Short muffler design features modern styling and helps to centralize mass, improving agility for ultra-responsive handling.
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