Suzuki GSX-R 750 (2004)

The Suzuki GSX-R 750 K4 was a motorcycle released in 2004. It was equipped with a four-stroke, transverse four-cylinder, DOHC engine with 4 valves per cylinder, and had a capacity of 749cc. The bore and stroke were 72mm x 46mm and the compression ratio was 12.3:1. The engine was cooled by liquid and used synthetic, 10w/40 oil. The exhaust system was a 4-into-2-into-1 stainless-steel exhaust with a bolt-on aluminum muffler. The fuel was delivered via fuel injection with 46mm throttle bodies and ignition was digital DC-CDI. The bike had a maximum power of 145 hp at 12,800 rpm and a maximum torque of 86.3 Nm at 11,200 rpm. The clutch was wet and multiple discs and the transmission had 6 speeds with constant mesh. The final drive was a #525 chain that was O-ring sealed and 108 links. The frame was made of conventional twin-beam aluminum construction and the front suspension was an inverted Showa cartridge-type fork with 43mm inner tubes and fully adjustable damping and spring preload. The rear suspension was a Showa link-type, gas/oil damped, fully adjustable spring preload and compression damping, and 4-way adjustable rebound damping.

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Technical specifications:

Make Model: Suzuki GSX-R 750 K4

Year: 2004

Engine: Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder.

Capacity: 749 c / 45.7 cub. in.

Bore x Stroke: 72 x 46 mm

Compression Ratio: 12.3:1

Cooling System: Liquid cooled

Engine Oil: Synthetic,10W/40

Exhaust System: 4-into-2-into-1 Stainless-steel exhaust with bolt-on aluminium muffler

Lubrication: Wet sump

Induction: Fuel injection, 46 mm throttle bodies

Ignition: Digital DC-CDI

Spark Plug: NGK, CR9E

Starting: Electric

Max Power: 106.6 kW / 145 hp @ 12800 rpm

Max Torque: 86.3 Nm / 8.8 kgf-m / 64 ft-lb @ 11200 rpm

Clutch: Wet, multiple discs

Transmission: 6 Speed, constant mesh

Final Drive: #525 Chain, O-ring sealed, 108 links

Gear Ratios: 1st 2.87 / 2nd 2.06 / 3rd 1.65 / 4th 1.43 / 5th 1.26 / 6th 1.12:1

Frame: Conventional twin-beam aluminium construction

Front Suspension: Inverted Showa cartridge-type front fork with 43mm inner tubes and fully adjustable damping and spring preload

Rear Suspension: Showa Link-type, gas/oil damped, fully adjustable spring preload and compression damping, 4-way adjustable rebound damping