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Suzuki Specifications

Suzuki GSX-R 750J (1988)

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Suzuki GSX-R 750J (1988)

At a glance

Capacity
748 c / 45.6 cub. in.
Power
80.2 kW / 112 hp @ 11000 rpm
Torque
74.5 Nm / 7.6 kgf-m / 54.9 ft-lb @ 10000 rpm

The full picture.

The Suzuki GSX-R 750J is a motorcycle model from 1988 with a four stroke, transverse four cylinder, DOHC engine with 4 valves per cylinder and a displacement of 748 c / 45.6 cub. in. It has a compression ratio of 10.9:1 and is cooled by air/oil. The engine oil used is 10W/40, and it has a 4-into-1-into-2 stainless steel exhaust with wet sump lubrication. Induction is done through 4 x 36 mm Mikuni constant-velocity semi-flatslide carburetors and ignition is full transistor. The bike has an electric starter with a maximum power of 80.2 kW / 112 hp @ 11000 rpm and torque of 74.5 Nm / 7.6 kgf-m / 54.9 ft-lb @ 10000 rpm. Transmission is handled by a 6-speed, constant mesh gearbox and it has a final drive of #530 Chain, O-ring sealed, 108 links.

The Suzuki GSX-R 750J’s frame is made of lightweight aluminium alloy and features a 43mm telescopic front fork suspension and a full-floater monoshock rear suspension, both adjustable for preload and rebound damping. The front brakes have 2 x 310mm discs with 4 piston calipers, while the rear brake has a single 230mm disc and 1 piston caliper. The wheels are alloy and have a 3 spoke design with a front tyre size of 120/60 ZR17 and a rear tyre size of 160/60 ZR17. The bike has a wheelbase of 1400 mm / 55.1 in. and is 2055 mm / 80.9 in. in length, 730 mm / 28.7 in. in width, and 1100 mm / 43.3 in. in height. It has a dry weight of 195 kg / 430 lbs and a fuel capacity of 21 Litres / 5.5 US gal / 4.6 Imp gal, with an average consumption of 6.6 L/100 km / 15.1 km/l / 35.5 US mpg / 42.8 Imp mpg.

The Suzuki GSX-R 750J has a stopping distance of 37.2 m / 122 ft from 100 kmh-0 (60mph-0) and a quarter-mile time of 11 seconds / 203 km/h / 126 mph with a top speed of 248.3 km/h / 154.3 mph. This model came in color combinations of White/Blue, Red/Black, and Red/White. Reviewed by Cycle World in 1988 and Moto Sprint Group Test in 1990, it was part of a well regarded series.


Technical specifications:

Make Model: Suzuki GSX-R 750J

Motorcycle technical specifications
Year1988
EngineFour stroke, transverse four cylinder, DOHC, 4 valves per cylinder.
Capacity748 c / 45.6 cub. in.
Bore x Stroke73.0 x 44.7 mm
Compression Ratio10.9:1
Cooling SystemAir/Oil cooled
Engine Oil10W/40
Exhaust System4-into-1-into-2 Stainless-steel exhaust
LubricationWet sump
Induction4 x 36 mm Mikuni constant-velocity semi-flatslide carburetors
IgnitionFull transistor
Spark PlugNGK JR9C
StartingElectric
Max Power80.2 kW / 112 hp @ 11000 rpm
Max Power Rear Tyre79.2 kW / 106.2 hp @ 11000 rpm
Max Torque74.5 Nm / 7.6 kgf-m / 54.9 ft-lb @ 10000 rpm
ClutchCable operated, wet multiple, coil spring
Transmission6 Speed, constant mesh
Final Drive#530 Chain, O-ring sealed, 108 links
Gear Ratios1st 2.77 / 2nd 2.06 / 3rd 1.65 / 4th 1.40 / 5th 1.23 / 6th 1.09:1
FrameLightweight aluminium alloy frame incorporated 45mm box tube main section and cast swing arm pivot
Front Suspension43 mm Telescopic forks adjustable for preload rebound damping
Rear SuspensionFull-floater Monoshock adjustable for preload rebound damping
Front Brakes2 x 310 mm Discs, 4 piston calipers
Rear BrakesSingle 230 mm disc, 1 piston caliper
WheelsAlloy, 3 spoke
Front Tyre120/60 ZR17
Rear Tyre160/60 ZR17
Wheelbase1400 mm / 55.1 in.
DimensionsLength 2055 mm / 80.9 in. Width 730 mm / 28.7 in. Height 1100 mm / 43.3 in.
Dry Weight195 kg / 430 lbs
Wet Weight223.6 kg / 493 lbs.
Fuel Capacity21 Litres / 5.5 US gal / 4.6 Imp gal
Average Consumption6.6 L/100 km / 15.1 km/l / 35.5 US mpg / 42.8 Imp mpg
Stopping Distance 100 kmh-0 (60mph-0)37.2 m / 122 ft
Standing 1/4 mile11 sec / 203 km/h / 126 mph
Top Speed248.3 km/h / 154.3 mph
ColoursWhite/Blue, Red/Black, Red/White
SourceCycle World 1988
Road TestMoto Sprint Group Test Moto Sprint Group Test 1990