CHASSIS DESIGN

The Perfect Marriage of Power and Poise

Ultimate performance is born of the perfect marriage between power and poise, and between the rider and the bike. The Hayabusa delivers this in spades. Abundant power and torque offer a more confident ride in any gear and at any speed. Its chassis and running gear ensure the nimble handling to put the rider in full control. All this is skillfully wedded in a bold design with an aggressive stance that highlights its luxurious details and speaks of fine craftsmanship. Like its namesake, the Japanese peregrine falcon, the Hayabusa earns its position as the fastest, most agile predator in the wild. It’s far more than the sum of its parts.

Legendary power and reliability

Refinements implemented throughout the Hayabusa’s legendary 1,340cm3 liquid-cooled inline-four engine achieve an even better balance of overall performance, yet greater efficiency and durability, while also satisfying Euro 5 emissions standards. Inheriting the proud legacy of the Ultimate Sport Bike that established the category in 1999, the Hayabusa continues to deliver more torque and power than any other sport bike at the engine speeds typically used in daily riding. A symbol of engineering pride and prowess, it is built to deliver the ultimate riding experience for the long run.

Optimum power, durability and control

Though the engine is already renowned for its to improve durability and longevity, the following refinements aim to take it to another level. New pistons and connecting rods reduce the weight of moving parts within the engine. Changes to the crankshaft oil passages improve engine lubrication. The transmission shaft needle bearings are extended in length. Attention to detail goes as far as changing the way the engine case bolts are tightened, and even to the threading for the screw holes in the upper crankcase. The new pistons and Twin Swirl Combustion Chamber (TSCC) design fully leverage advances in CAE analysis to bring in more air as the valves begin to lift and thereby increase combustion efficiency. Suzuki Side Feed Injectors (S-SFI) feature a new dual injector design that positions the secondary injector so its spray strikes a reflecting plate in the funnel and enters the combustion chamber as a fine mist. This combines with the increased capacity of a new air cleaner and longer intake pipe design to optimize low- to mid-range power output and make the Hayabusa more controllable in typical daily riding situations.

Suzuki’s ride-by-wire throttle control system provides natural response with linear control, while a related change to a 43mm bore size for the throttle bodies boosts low- and mid-range power output. Also helping to improve performance and controllability at the most commonly used low- to mid-range speeds are the new engine’s reduced valve lift overlap and a new pipe on the exhaust header connecting cylinders #1 and #4.

Superior core strength

The Hayabusa’s chassis is designed to empower you with sure footing, nimble handling and predictable control that combine to build confidence and enhance the riding experience. It delivers a smooth and comfortable ride that absorbs irregularities in the road surface and responds faithfully to your will. It effectively transfers the abundant power of its legendary powerplant to the pavement while fully leveraging its onboard intelligent control systems to run and brake effectively, whether barreling down a straight section of road or leaning through corners. At the core of this outstanding chassis is the Hayabusa’s tried-and-true twin-spar aluminum frame and swingarm. Though Suzuki built and track-tested a number of different prototype frames during the development phase, the proven combination of extruded aluminum sections and aluminum castings continues to lend the right amount of suppleness and strength to the overall rigid alloy frame structure. While more costly and demanding to fabricate, extruded aluminum sections pay off in achieving the overall balance required by a machine that delivers ultimate performance and reaches a nominal top speed of 299km/h. This is why extruded aluminum frame members can also be found on a number of supercars.

Optimized suspension

KYB inverted cartridge forks provide 120mm of front wheel travel and feature diamond-like carbon (DLC) coating on the 43mm outer diameter inner fork tubes to reduce friction and improve reaction to small irregularities in the road surface. Spring preload, compression damping and rebound damping are all fully adjustable. The internal structure has been upgraded to better to absorb the road surface and ensure an even smoother, more stable ride with optimum grip. The internal structure of the fully adjustable KYB link-type rear suspension was also revised to maximize comfort and straight-line stability. Additionally, settings for both the front and rear suspension are optimized to achieve a stable ride with neutral feel at all speeds.