Suzuki GSR750H (1987)

The Suzuki GSR750H was a motorcycle released in 1987. It had a four-stroke, transverse four-cylinder engine with 4 valves per cylinder, a capacity of 749 c / 45.7 cub. in, and a compression ratio of 10.6:1. The bike was air/oil-cooled and had a 4-into-1 stainless-steel exhaust as well as 4 x VM2955 flat-valve carburetors. It had a maximum power of 72.9 kW / 100 hp @ 10500 rpm and a maximum torque of 70.6 Nm / 7.2 kgf-m / 52.1 ft-lb @ 8000 rpm. The GSR750H had a 6-speed transmission with final drive #530 Chain, O-ring sealed, and had a wet weight of 185 kg / 408 lbs. It had a fuel capacity of 21 litres / 5.5 US gal / 4.6 Imp gal and had an average consumption of 5.4 l/100 km / 14.8 km/l / 43.3 US mpg / 52.3 Imp mpg. The GSR750H had an impressive standing 1/4 mile time of 11.2 sec / 195.2 km/h / 121.3 mph and a top speed of 234.7 km/h / 145.8 mph. It also had a Motosprint Group Test, and was generally well received by motorcycle enthusiasts.

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Technical specifications:

Make Model: Suzuki GSX-R 750H

Year: 1987

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

Capacity: 749 c / 45.7 cub. in

Bore x Stroke: 70.0 x 48.7 mm

Compression Ratio: 10.6:1

Cooling System: Air/Oil cooled

Engine Oil: 10W/40

Exhaust System: 4-into-1 Stainless-steel exhaust

Lubrication: Wet sump

Induction: 4 x VM2955 flat-valve carburetors

Ignition: Full transistor

Spark Plug: NGK DR8ES

Starting: Electric

Max Power: 72.9 kW / 100 hp @ 10500 rpm

Max Power Rear Tyre: 68.6 kW / 92 hp @ 10500 rpm

Max Torque: 70.6 Nm / 7.2 kgf-m / 52.1 ft-lb @ 8000 rpm

Clutch: Cable operated, wet multiple, coil spring

Transmission: 6 Speed, constant mesh

Final Drive: #530 Chain, O-ring sealed

Gear Ratios: 1st 2.77 / 2nd 2.06 / 3rd 1.65 / 4th 1.40 / 5th 1.23 / 6th 1.09:1

Frame: Aluminium twin downtube

Front Suspension: Posi Damp Fork (PDF), telescopic, pneumatic/coil spring, oil damped, 4-way adjustable damper, 41 mm

Rear Suspension: Full Floater, oil damped, fully adjustable preload with remote hydraulic control, 4 damping position

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

Rear Brakes: Single 280 mm disc, 1 piston caliper

Wheels: Alloy, 6 spoke

Front Tyre: 110/80 V18

Rear Tyre: 140/70 V18

Wheelbase: 1445 mm / 57.3 in.

Dimensions: Length 2115mm / 83.3 in Width 745 mm / 29.3 in Height 1215 mm / 47.8 in

Seat Height: 755 mm / 29.7 in

Ground clearance: 140 mm / 5.5 in

Dry Weight: 176 kg / 388 lbs

Wet Weight: 185 kg / 408 lbs

Fuel Capacity: 21 Litres / 5.5 US gal / 4.6 Imp gal

Average Consumption: 5.4 l/100 km / 14.8 km/l / 43.3 US mpg / 52.3 Imp mpg

Standing 1/4 mile: 11.2 sec / 195.2 km/h / 121.3 mph

Top Speed: 234.7 km/h / 145.8 mph

Road Test: Motosprint Group Test