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Suzuki GSX-R 750

Suzuki GSX-R 750

The Suzuki GSX-R750 was built to compete in the various worldwide championships as well as to be used on the street.

It is considered as one the very first street-legal racers, there had been a number of sports machines but the GSX-R750 was something else. It was a revolutionary motorcycle with specifications like over 100 hp power output, less than 180 kg dry mass, 55° leaning angle, lightweight alloy double-cradle perimeter frame, 18-inch wheels and streamlined design based on the factory Formula 1 and Endurance racers.

suzuki on the road The air/oil-cooled motor had cylinder dimensions of 70,0 x 48,7 mm and had 29 mm flat slide carbs. In a racing trim (there was a tuning kit available for competitive racing) the GSX-R750 engine provided 130 bhp. The new high-tech engine was narrower than earlier inline-fours and materials like magnesium was used to keep the weight down to minimum. The GSX-R750 was basically a street-legal and detuned version of the works GS1000R racer. The flat slide carburetors gave faster response to the throttle compared to the vacuum carburetors. It also required the rider to be more gently with the throttle. There were no compromises, it was very quick in hands of a skillful rider but could be experienced as nervous and even dangerous.

Suzuki GSX-R 750 Suzuki GSX-R 750

The GSX-R750 entered the market in March 1985. There's not many bikes out there in mint condition, most of them are ridden very hard and seen their best days. Nevertheless the evolution of modern sports bikes started with the GSX-R750. It's a real classic.

General characteristics

Engine: Four stroke, four cylinder, DOHC, 4 valves per cylinder, horizontal in-line

Capacity: 749 c / 45.7 cub. in.

Bore x Stroke: 70 x 48.7 mm

Compression Ratio: 10.8:1

Induction: 4 x 38 mm Mikuni constant-vacuum carbs

Ignition / Starting: Computer controlled electronic ignition

Max Power: 84 kW / 116 hp @ 11000 rpm

Max Torque: 78 Nm / 7.9 kgf-m / 57.5 ft-lb @ 10000 rpm

Transmission / Drive: 6 Speed, constant mesh

Front Suspension: Upside-down telescopic fork. adjustable spring preload . 8-way damping 10-way compression

Rear Suspension: Full-floater Monoshock 4-way adjustable for preload rebound damping

Front Brakes: 2 x 310 mm discs, 4 piston calipers

Rear Brakes: 280 mm disc, 1 piston caliper

Front Tyre: 120/70 ZR17

Rear Tyre: 170/60 ZR17

Dry-Weight: 208 kg / 458.6 lbs

Fuel Capacity: 21 Litres / 5.5 US gal

Consumption average: 6.8 l/100 km / 14.8 km/l / 34.8 mpg

Standing ¼ Mile: 10.88 sec / 201.7 km/h / 125.3 mph

Top Speed: 247.3 km/h / 153.6 mph

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