Engine Type
321cc liquid-cooled DOHC 4-stroke; 4 valves
Bore x Stroke
68.0mm × 44.1mm
Fuel Delivery
Fuel injection
Transmission
Constant mesh 6-speed; wet multiplate clutch
Final Drive
Chain
ENGINE
Potent Twin-Cylinder Powerplant Yamaha’s 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. Smooth and Useable Power With double overhead cams (DOHC) and four-valve cylinder heads, the MT-03 engine provides easy to manage power at low rpm with strong high rpm power —ultimately delivering an exciting ride with a broad spread of power. Six-Speed Transmission A smooth-shifting six-speed gearbox ensures the rider always has the right ratio, whether riding through tight city streets or on the open highway. Modern Fuel Injection Downdraft induction fuel injection system provides easy starting, excellent fuel economy, and responsive performance in all conditions. Advanced Cylinder Construction Yamaha’s unique DiASil —a high-silicon aluminum alloy —is used in the cylinders to ensure excellent heat dissipation. An innovative offset cylinder design helps reduce friction and provides better efficiency, quicker response and great overall engine performance. Strong and Lightweight Forged Pistons Forged aluminum pistons —the same technology used in the MT-10 — contributes to reduced power loss and lower vibration levels. This design results in minimized vibrations and smooth running, even at high rpm. Compact Exhaust System The short muffler design features modern styling and helps to centralize mass, improving agility for ultra-responsive handling.
CHASSIS/SUSPENSION
Inverted KYB Front Fork The MT-03 features an inverted KYB fork with optimized spring and damping settings, delivering more solid handling when closely compared to motorcycles using conventional front forks. Monocross Rear Shock The 7-step preload adjustable single-shock design is tuned to strike a balance between ride comfort and sporty performance, for capability across a wide range of uses, from urban commuting to extended rides into the twisty canyons. Long Swingarm The MT-03 is equipped with a 22.6″ long asymmetrical swingarm that provides a planted ride during braking, cornering and acceleration. Potent Braking with Standard ABS The 298mm floating-mount front disc brake ensures excellent stopping power, supported by a 220mm rear disc. The MT-03 ABS model also features an antilock braking system to boost rider confidence and prevent wheel lock-ups in reduced-traction conditions. Lightweight Diamond Frame The compact diamond-type tubular frame combines low weight with immense strength, to give you neutral handling and easy maneuverability in traffic. And with its inverted front fork and rear shock with complimenting settings, the MT-03 is ready to carve through the twisties and get your adrenaline flowing!
ADDITIONAL FEATURES
Stylish LED Turn Signals Light-Emitting Diode (LED) elements are used for both the front and rear turn signals. Not only do LEDs offer long life with minimal power draw, they provide brilliant illumination, for confidence and visibility day or night. The MT-03’s dynamic new appearance is reinforced by the new LED signals that perfectly complement the bike’s aggressive looks. Dynamic Mass Forward Design Yamaha’s Hyper Naked bikes are instantly recognizable thanks to their aggressive and powerful design. A sculpted fuel tank cover is designed to fit snugly with the rider, while the lightweight air scoops enhance the look and feel of the mass-forward body design and highlight the dynamic MT family look. Ergonomic Riding Position With its compact body and low 30.7″ seat height, the MT-03 is a joy to ride whether you’re escaping traffic or having a blast out on the open road. Behind the aggressive bodywork, a specially sculpted knee area and fuel tank cover work with the high-mounted handlebars to provide an agile and ergonomic riding position. Digital LCD Instrumentation To match the MT-03 Hyper Naked’s radical new looks, Yamaha has fitted a stylish LCD meter that provides easy-to-absorb information.
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