Suzuki GSX-R1000 Engine

2003 model:

Features

• Compact 988cc 4-stroke, 4-cylinder, liquid-cooled engine with gear-driven counterbalancer features new ventilation system to equalize lower-cylinder pressure and reduce mechanical loss.
  
  
• Electronic fuel injection system features the Suzuki Dual Throttle Valve System (SDTV)- maintains optimum air velocity in the intake tract for smooth low-to-mid rpm throttle response and high torque output. Includes Fast Idle System (AFIS).
  
  
• New tapered, double-barrel throttle body design is simpler in design with less weight.
  
  
• New 32-bit ECM with 22-trigger pole rpm sensor, provides more precise control of ignition timing and injector operation for each cylinder.
  
  
• Pulsed-air injection system (PAIR) helps reduce emissions.
  
  
• New internal oil passageways feed hydraulic cam chain tensioner, eliminating external lines and reducing weight.
  
  
• Cylinder head features a narrow 25° included valve angle, creating a compact combustion chamber, high compression ratio and a straight intake tract for high power output.
  
  
• Relocated ram-air intake ducts are 20 mm closer to the center of the fairing increasing ram air pressure, charging efficiency and torque output.
  
  
• Durable SCEM-plated cylinders house new lightweight forged pistons with low-tension rings to reduce friction.
  
  
• Suzuki Exhaust Tuning System (SET) regulates exhaust back pressure in the exhaust system to suit running conditions and maintain optimum engine torque.
  
  
• All new titanium 4-into-2-into-1 exhaust system features larger-volume muffler to improve flow and power without increasing noise level.
  
  
• Large radiator and high-capacity oil cooler provide maximum cooling efficiency.
  
  
• Six-speed transmission with high-capacity 19-plate clutch.

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Specifications

Engine: 988cc, 4-stroke, four-cylinder, liquid-cooled, DOHC, 16-valve, TSCC

Bore & Stroke: 73.0 x 59.0mm

Compression Ratio: 12.0:1

Carburetor: Fuel Injection

Lubrication: Wet Sump

Ignition: Digital/transistorized

Starter: Electric

Transmission: 6-speed, constant mesh

Final Drive: #525 chain

2001 model:

The matrix immediately behind the engine is a one inch by one inch grid. The larger images are provide for dimensioning.

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