By Dan Moakes
July 27 2004

Specifications for the 2004 MotoGP motorcycles

Aprilia RS³ ‘Cube’
overall length · 2030mm
overall width ·
overall height ·
wheelbase · 1410mm
road clearance ·
weight · 135+ kg
chassis · aluminium dual beam frame; aluminium or carbon swing-arm
suspension · Öhlins inverted 42mm hydraulic forks front; APS progressive system, Öhlins adjustable shock rear
brakes · Brembo: 290/320mm carbon discs front; 218m disc rear
fuel tank · 24 litres
tyres · Michelin
wheels · magnesium alloy or carbon: 16.5" or 17" front; 16.5" rear
engine type · liquid-cooled four-stroke
displacement · 990cc
cylinders · inline 3
valve type · four valve
carburation · digital electronic injection
transmission · six-speed aluminium gearbox;
ignition · digital electronic ride-by-wire
maximum power · 220+ bhp at 15,000+ rpm
maximum speed ·

Ducati Desmosedici GP4
overall length ·
overall width ·
overall height ·
wheelbase ·
road clearance ·
weight · 148kg
chassis · trellis-style tubular steel; pressed aluminium swing-arm
suspension · Öhlins inverted 42mm forks front;
brakes · Brembo: 320mm carbon discs, four-piston calipers front; stainless steel disc, two-piston caliper rear
fuel tank ·
tyres · Michelin
wheels · 17" or 16.5" front; 16.5" rear
engine type · liquid-cooled four-stroke
displacement · 989cc
cylinders · 90° V4
valve type · desmodromic DOHC four valve
carburation · Magneti Marelli: indirect electronic injection
transmission · six-speed cassette-type gearbox; dry multi-plate slipper clutch
ignition · Magneti Marelli
maximum power · 230+ bhp at 16,500rpm
maximum speed · 330+ km/h

Harris WCM990
overall length ·
overall width ·
overall height ·
wheelbase · 1420mm
road clearance ·
weight · 145+ kg
chassis · aluminium frame
suspension · Öhlins inverted telescopic forks front; Öhlins monoshock rear
brakes · AP: carbon discs and calipers front; ventilated disc and calipers rear
fuel tank · 24 litres
tyres · Dunlop
wheels · PVM: 16.5" front; 16.5" rear
engine type · four-stroke
displacement · 989cc
cylinders · inline 4
valve type ·
carburation · fuel injection
transmission · six-speed gearbox; dry multi-plate clutch
ignition · CDI
maximum power ·
maximum speed ·

Honda RC211V
overall length · 2050mm
overall width · 600mm
overall height · 1130mm
wheelbase · 1440mm
road clearance · 130mm
weight · 148+ kg
chassis · twin-tube frame
suspension · telescopic forks front; new unit pro-link rear
brakes ·
fuel tank · 24 litres
tyres · Michelin; Bridgestone
wheels · 17" front; 16.5" rear
engine type · liquid-cooled four-stroke
displacement · 990cc
cylinders · 75.5° V5
valve type · DOHC four valve
carburation ·
transmission ·
ignition ·
maximum power · 240+ bhp
maximum speed ·

Kawasaki Ninja ZX-RR
overall length · 1420mm
overall width ·
overall height ·
wheelbase · 1330mm
road clearance ·
weight · 145kg
chassis ·
suspension ·
brakes ·
fuel tank ·
tyres · Bridgestone
wheels ·
engine type · four-stroke
displacement · 990cc
cylinders · transverse inline 4
valve type · DOHC; cam drive by gear
carburation ·
transmission · six-speed cassette-type gearbox; dry multi-plate slipper clutch
ignition ·
maximum power · 220+ bhp at 15,500rpm
maximum speed ·

Proton KR5
overall length ·
overall width ·
overall height ·
wheelbase · variable
road clearance ·
weight · 145kg approx
chassis · alloy frame
suspension · Öhlins forks front; Penske rear
brakes · Nissin: carbon discs front; steel discs rear
fuel tank · 24 litres
tyres · Dunlop
wheels · Marchesini
engine type · liquid-cooled four-stroke
displacement · 990cc
cylinders · 60° V5
valve type ·
carburation · multipoint programmable fuel injection
transmission · six-speed sequential gearbox; dry multi-plate clutch
ignition · programmable CDI
maximum power · 200+ bhp at 15,000rpm
maximum speed ·

Suzuki GSV-R XRE2
overall length · 2060mm
overall width · 660mm
overall height · 1150mm
wheelbase · 1450mm
road clearance ·
weight · 145kg
chassis · twin spar aluminium alloy frame
suspension · inverted telescopic forks front; link type rear
brakes · carbon discs front; steel or carbon disc rear
fuel tank · 24 litres
tyres · Bridgestone
wheels · 16.5" front; 16.5" rear
engine type · water-cooled four-stroke
displacement · 990cc
cylinders · 65° V4
valve type · DOHC four valve
carburation · electronic fuel injection
transmission · six-speed constant mesh; dry multi-plate clutch
ignition ·
maximum power · 220+ bhp at 14,500+ rpm
maximum speed ·

Yamaha YZR-M1
overall length ·
overall width ·
overall height ·
wheelbase ·
road clearance ·
weight · 145kg
chassis · multi-adjustable twin spar aluminium frame; braced aluminium swing-arm
suspension · Öhlins adjustable inverted telescopic forks front; Öhlins shock, rising rate linkage rear
brakes · Brembo: 320mm carbon discs, four-piston calipers front; 220mm ventilated stainless steel disc, twin-piston caliper rear
fuel tank · 24 litres
tyres · Michelin
wheels · Marchesini: 17" front; 16.5" rear
engine type · liquid-cooled four-stroke
displacement · 990cc
cylinders · inline 4
valve type · 20-valve DOHC
carburation · fuel injection
transmission · six-speed cassette-type gearbox; dry multi-plate slipper clutch
ignition · Yamaha CDI
maximum power · 240+ bhp
maximum speed · 320+ km/h

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