A new cast-aluminum-alloy frame. Exciting new bodywork with
increased aerodynamics. An advanced engine management and fuel injection
system with adjustable on-the-fly mapping. Fully adjustable high-performance
suspension, and radial-mount brakes. Delivering open-class racetrack
performance in a middleweight-sized package.
It’s as if the talented team of engineers responsible for the GSX-R750
designed a racebike with street equipment like lights, instruments and a
horn and mirrors. Which makes it more obvious what the 2008 GSX-R750 really
is.
New Engine
New larger 41mm ventilation holes between cylinders to
reduce crankcase pressure and mechanical loss
New electronic fuel injection system features Suzuki Dual Throttle
Valve (SDTV) system - with dual fuel injectors per cylinder and new
compact 8 hole, fine spray injectors for improved fuel atomization.
New S-DMS engine management system allows the rider to choose from
three engine settings to match riding conditions with a handlebar mounted
switch
Under deceleration the back torque limiting clutch reduces pressure on
the clutch plates for smoother downshifting and corner entry
New clutch cover and oil pan feature new internal ribs for increased
rigidity and reduced engine noise
New Idle Speed Control (ISC) system for improved cold starting,
consistent idle quality and reduced emissions
New high volume Suzuki Advanced Exhaust System (SAES) with an
innovative under engine chamber leading to a new large volume muffler with
a new distinctly shaped triangular silencer
New hydraulic cam chain tensioner automatically adjusts while reducing
noise and mechanical losses.
New Ignition coil outer diameter is smaller for reduced weight and the
starter motor uses new rare earth magnets for a compact lightweight design
New 32 bit ECM features 1024 kilobytes of ROM for maximum engine
performance working in conjuction with the new S-DMS engine management
system
New Chassis
The 2008 GSX-R750 features a sharp new look utilizing a bold new
headlight design, new angular tail section and compact overall layout
New electronically controlled steering damper uses a solenoid valve to
move a tapered needle reducing or increasing oil flow to adjust damping
force.
New lightweight cast aluminum wheels featuring a new angled spoke
design for improved rigidity, reduced unsprung weight and improved
acceleration
New Inverted 41mm Showa cartridge front forks are fully adjustable for
high and low speed compression, spring preload, and rebound damping
Radial mount four piston front brake calipers works with new thinner
310mm front brake rotors and a revised front brake master cylinder
New GSX-R750 fuel tank features an innovative new design and fuel
capacity is increased to 17 liters
Engine Features
Updated Compact 4-stroke, 4-cylinder, liquid-cooled
engine designed for optimum combustion efficiency and maximum power
delivery
Cylinder head with narrow valve angles creating a compact combustion
chamber design, 12.5:1 compression ratio, large intake and exhaust ports
for optimum intake and exhaust efficiency and new Iridium spark plugs
Lightweight titanium valves with steel alloy springs and aluminum
spring retainers operated by thin-wall hollow camshafts to reduce weight
and inertia
Lightweight forged aluminum alloy pistons with short skirts, cut away
sides and an anti-friction surface finish along with shotpeened chrome-moly
steel connecting rods for improved strength
Crankshaft features forged steel construction and a secondary balancer
shaft for reduced vibration at high rpm.
Crankshaft and transmission shafts are positioned to create a compact
engine design and the engine itself is rotated slightly forward in the
chassis allowing for straighter and shorter intake and exhaust ports
High capacity large trapezoidal-shaped radiator provide efficient
engine cooling - includes compact cooling fan assembly designed for
improved air flow
SRAD ( Suzuki Ram Air Direct) force feeds cool, pressurized air into
the airbox at highway speeds, improving engine efficiency and throttle
response
Chassis Features
The lightweight frame is built entirely of aluminum
alloy castings and is engineered to deliver optimum rigidity, unmatched
accuracy and maximum cornering performance.
A braced aluminum alloy swingarm features a large 22mm swingarm pivot
and is designed for optimum rider feel and maximum rear wheel traction
Innovative rear suspension linkage utilizes a forged aluminum alloy
link and a forged aluminum link rod that reduces side loads and helps the
rear shock absorber move in a smooth arc
Showa 41mm aluminum alloy rear shock with a 16mm rod diameter are
fully adjustable for high and low speed compression, spring preload and
rebound damping for maximum rider control
Three way adjustable footpegs now feature die-cast construction and
can be moved into three different positions with a 14mm horizontal and
vertical range
Compact, lightweight instrument cluster features a step motor
controlled analog tachometer, LCD speedometer, dual trip meters, clock and
a convenient gear position indicator
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