Introducing the all-new Suzuki GSX-R1000 and GSX-R1000R.
It has been three decades and more than a million sold since the GSX-R line was born.
More than 15 years since the GSX-R1000 transformed the open sportbike class.
Now, the 6th-generation GSX-R1000 is redefining what it means to be The Top Performer. It embodies the life work of Suzuki engineers who are passionate about the GSX-R1000 and its place in motorcycle history. Men who love riding and racing, determined to restore the GSX-R1000 to its throne as The King of Sportbikes.
It is the most powerful, hardest-accelerating, cleanest-running GSX-R ever built.
It is also the most compact, the most aerodynamic and the best-handling GSX-R1000, with smoother throttle response and better combustion efficiency. With a supremely effective electronic engine management system that doesn’t require a degree in engineering to understand, and doesn’t need a squad of computer technicians to make work.
Above all, it is a GSX-R. Built to run right and be reliable, designed to help make everybody a better rider. Engineered using experience gained over 30+ Years of Domination in production-based Superbike, Superstock and Endurance races worldwide, combined with new proprietary technology developed in the MotoGP World Championship.
It is the most advanced, most exciting Suzuki GSX-R in history, with an aggressive new look to match.
Available in two versions, the standard GSX-R1000 and the limited-production GSX-R1000R.
Both versions come fully equipped for the street, ready for licensing. But take off the mirrors and the license plate and tape the lights and they’re also ready for closed-course fun.
The heart of a racebike beats in every GSX-R1000 and GSX-R1000R, delivering an invitation: Own The Racetrack.
An All-New, Integrated Design
It started with a goal: Reclaim the GSX-R1000’s sportbike performance leadership.
The discussion went from there. The fundamental capabilities that make a great sportbike were distilled down to three words: Run. Turn. Stop. Make the new GSX-R1000 run better, turn better and stop better than any other sportbike.
Run: Build an all-new, more compact and lighter engine with class-leading power, delivered smoothly and controllably across a broad rpm range, equally suited for driving hard out of a racetrack corner or accelerating effortlessly onto a public highway.
Turn and Stop: Design an all-new, more compact chassis delivering nimble handling with excellent front-end feel and braking, as useful for trail-braking on the racetrack as for rolling into tight corners on a country road. Add advanced electronics that aren’t too complicated to actually use, plus bodywork with refined aerodynamics that reduce drag at top speed on the racetrack and improve rider comfort on brisk street rides.
In short, develop a new, unmatched combination of reliability, durability, usability and overall performance with excellent racing potential in a package that works as well for street riders as it does for track-day riders and amateur or professional racers.
The work was in the details. Engine dimensions, shape, and positioning affect wheelbase and swingarm length and overall handling, as well as the room available for the fuel tank and air cleaner box and ram-air intake ducts and the width of the frame itself. The frame and chassis design can equally affect engine design, packaging and positioning, including cylinder angle and the throttle body downdraft angle--which in turn can affect combustion efficiency and throttle response and overall performance. It’s all connected.
Cue the Suzuki Integrated Design approach, with a dedicated team of talented engine, chassis, electronic and aerodynamic engineers working together on the overall design of a groundbreaking sportbike.
GSX-R1000R / GSX-R1000
A Compact Engine,Making More Power Across A Broader
The design team quickly settled on basic engine design goals. The new engine would rev higher and make more peak horsepower, while maintaining excellent low-to-mid-range power and drive. It would be a compact and lightweight Inline Four, DOHC with chain cam drive and four titanium valves per cylinder set at narrow angles, with a more over-square bore/stroke ratio, a higher redline and a higher compression ratio.
The details started with bore and stroke of 76 mm x 55.1 mm and 999.8 cm3 of displacement. Followed by a new valve train developed in MotoGP competition, using thinner-wall, hollow camshafts operating lighter, F1-style pivoting finger followers. Each finger follower is 6 grams lighter than a conventional bucket tappet (10 grams vs. 16 grams), and because each follower pivots on a fixed shaft, its moving mass is just 3 grams. The lighter moving mass allows maximum engine rpm and valve lift to be increased while improving valve response and maintaining accurate valve control. Each finger follower in the GSX-R1000 is designed based on the actual followers used in the GSX-RR MotoGP racebike, including a DLC coating to increase durability.
Finger followers positioned between the valves and the cam lobes are by nature thicker than the top of conventional bucket tappets. To minimize the resulting increase in overall cylinder head height, conventional aluminum valve spring retainers are replaced with thinner, steel valve spring retainers.
The exhaust valves are now made out of titanium instead of steel, are slightly smaller (measuring 24 mm instead of 25 mm) and are lighter (by 8.2 grams each). The reduction in exhaust valve weight contributes to the new engine’s ability to reliably turn higher rpm, and slightly larger (31.5 mm instead of 30 mm) titanium intake valves help add high-rpm power. But exploiting the higher engine speed and increasing the high-rpm power without affecting lower and mid-rpm power presented a challenge. The valve timing needed for higher peak power also reduces mid-range and lower-rpm power.
The Suzuki Racing VVT (SR-VVT), Suzuki Exhaust Tuning-Alpha (SET-A), and Suzuki Top Feed Injector (S-TFI) systems combine to make the Broad Power System, increasing high-rpm performance without reducing low and mid-range performance. The result is strong, linear power and enhanced acceleration throughout the rpm range.
The solution was the Suzuki Racing Variable Valve Timing (SR-VVT) system developed in MotoGP racing. Unlike complicated systems used by other manufacturers, the SR-VVT system is simpler, more compact, and lighter. The system is built into the intake cam sprocket and an adjacent guide plate, using 12 steel balls positioned between slanted radial grooves in the intake cam sprocket and straight radial grooves in the guide plate attached directly to the camshaft. As centrifugal force moves the balls outward at high rpm, the offset grooves align, rotating the position of the cam sprocket on the camshaft and retarding intake cam timing, adding significantly to high-rpm power.
The beauty of the SR-VVT system is in its compact simplicity, light weight, reliability and seamless operation. Centrifugal force is constantly produced when the engine is running, and is free in that it does not use power that could otherwise turn the rear wheel. For more than a decade, racers have not been able to feel when the system moved to change the valve timing. What they have been able to feel is a seamless, significant increase in high-rpm power, without sacrificing any low or mid-range. And the system is built into existing parts, takes up no extra room in the engine, with a minimal weight increase.
VVT low rpm
VVT high rpm
The new GSX-R1000’s 4-into-2-into-1 thin-wall stainless-steel Suzuki Advanced Exhaust System (S-AES) is also designed to increase high-rpm horsepower without reducing mid-range and lower-rpm power. GSX-R1000 models have long used a servo-operated Suzuki Exhaust Tuning (SET) butterfly valve built into the mid-pipe to help maximize torque throughout the rpm range by optimizing back pressure based on engine rpm, throttle position and gear position. But the new GSX-R1000’s exhaust system improves on that idea with the addition of new Suzuki Exhaust Tuning-Alpha (SET-A) butterfly valves .
A header balance tube connects the head pipes for cylinders #1 and #4, and another header balance tube connects the head pipes for cylinders #2 and #3, a design feature that normally increases high-rpm power at the expense of mid-range and lower-rpm power. Suzuki engineers added a servo-operated SET-A butterfly valve in each header balance tube, which remains closed to enhance mid-range and low-rpm power, then opens at high rpm to add significant top-end power.
Each forged aluminum piston has short skirts and cutaway sides to reduce weight and friction, a DLC-coated wrist pin to reduce friction and a carefully shaped piston dome to increase compression while also enhancing combustion efficiency. The L-shaped upper compression ring is pushed out against the cylinder wall by combustion pressure, reducing blow-by and improving sealing. The oil control ring features a chrome-nitride coating, which is harder and smoother than conventional chrome plating, reducing friction, increasing durability, and also enhancing sealing.
The pistons are carried by chrome-molybdenum steel connecting rods with a carburized surface treatment to increase strength. The cylinders are built into the upper crankcase casting and are plated with Suzuki’s own race-proven nickel-phosphorus-silicon-carbide bore coating known as SCEM (Suzuki Composite Electrochemical Material), reducing friction and improving heat transfer, durability and ring seal.
Cutouts in the sides of the cylinder bores (below the piston stroke) allow air trapped underneath each descending piston to quickly escape to adjacent cylinders where pistons are rising. The cutouts minimize internal crankshaft air-pressure resistance to downward piston movement, reducing mechanical power loss, and contributing to better ring seal.
Careful design of internal passageways increased the rate at which coolant flows through the cylinder head and dramatically improved heat transfer. A new, higher-capacity radiator equipped with dual fans helps make the cooling system more efficient even with a smaller volume of coolant, contributing to weight reduction.
The close-ratio six-speed transmission has the previous model’s internal ratios and vertically staggered shafts to reduce overall engine length. But the gears are redesigned to handle the power increase. A new Suzuki Clutch Assist System (S-CAS) uses a pressure plate with built-in engagement ramps and cams. The S-CAS design automatically reduces pressure on the plates, (increasing slip and limiting back-torque), during deceleration, downshifts and hard braking on the racetrack. The system also reduces slip by increasing mechanical pressure on the plates during acceleration, allowing the use of lighter clutch springs and making it easier to pull in the clutch lever.
Ride By Wire Throttle Bodies
The new throttle bodies are 19 mm shorter, simpler, lighter and more compact than the previous model’s throttle bodies, with a larger bore (46 mm versus 44 mm). Each one has a single butterfly valve controlled by an advanced electronic engine management system, and each cylinder is fed by two ultra-fine-atomization 10-hole injectors. One injector is mounted at a steep angle in the throttle body itself and operates any time the engine is running. A second showerhead injector—also known as a Top Feed Injector (TFI)--is mounted in the top of the air cleaner box, directly over each throttle body’s intake funnel (or velocity stack), and operates at higher rpm. The TFI showerhead injector delivers additional fuel in an improved spray pattern designed to enhance combustion efficiency, throttle response and top-end power.
Suzuki Dual-Stage Intake(S-DSI) System
The new S-DSI system delivers advantages of variable-length intake funnels (or velocity stacks) without extra weight, complexity, or cost. The S-DSI funnels use a new stacked, dual-stage design, with a longer funnel positioned over a short funnel, and a gap in between. The dual-stage S-DSI funnels are fitted to cylinders #1 and #4, with conventional funnels fitted to cylinders #2 and #3. Shorter conventional funnels are better for high-rpm power and longer conventional funnels are better for low and mid-range power. Thanks to the physics of air flow, S-DSI funnels provide the best of both, acting like a longer funnel at low and mid rpm, and acting like a shorter funnel at higher rpm. At low and mid rpm, most of the air flows through the longer, upper funnel into the short funnel, increasing low-end and mid-range power. At higher rpm, more air flows around the base of the longer upper funnel and directly into the short lower funnel, increasing top-end power. Using two S-DSI funnels and two conventional funnels helps produce a broader powerband and a seamless transition from low and mid-range into the high-rpm range.
Packaging The Engine And Chassis
The previous generation GSX-R1000 has won many national and world championship races and titles around the world. But professional racers asked for more front-end feel and feedback under racing conditions. Testing revealed that reducing the distance between the front axle and the swingarm pivot could improve the rider’s ability to feel what the front tire was doing during hard cornering on the racetrack. To find the room to reduce the distance from the front axle to the swingarm pivot, the engineers reduced the forward angle at which the cylinders are inclined from vertical, from 32 degrees to 26 degrees. That made the new engine shorter from the front of the cylinder head to the rear of the crankcases, and provided the room. Meanwhile, the increase in cylinder bore made the new engine’s cylinder/cylinder-head assembly slightly wider. But re-routing the oil passageways in the crankcases made the new engine 6.6 mm narrower at its widest point, contributing to better aerodynamics via a smaller frontal projected area.
An All-New Chassis, With A Lighter Frame
The new GSX-R1000’s chassis is more compact and narrower than the previous model’s chassis. Suzuki engineers designed a new twin-spar aluminum perimeter frame that’s 20 mm narrower at the widest point between the spars and weighs 10% less. It’s constructed of four sections, welded together. Two main spar sections are built up using inner castings and outer stampings to optimize torsional rigidity, and link the cast steering head/front engine hanger section to the cast rear section incorporating upper and lower rear engine mounts and swingarm pivot plates. The frame is 60 mm wider and stronger at the rear engine mounts, reducing vibration. The upper rear shock mount is moved back by 48 mm and down by 20 mm, making room for a race team to install a modified fuel tank for longer-distance events. The new bolt-on rear subframe is now made of square aluminum tubing, reducing weight by 38%. A new aluminum swingarm is braced on both sides instead of on one, to improve weight and rigidity balance. It’s also 25 mm longer from
Ride-by-wire fuel injection, Ø 46 mm with S-DSI intake funnels (Suzuki Dual Stage Intake) and S-TFI (Suzuki Top Feed Injection, 2 injector on the intake trumpet)
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