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
| Year | 1988 |
|---|---|
| Engine | Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder. |
| Capacity | 748 c / 45.6 cub. in. |
| Bore x Stroke | 73.0 x 44.7 mm |
| Compression Ratio | 10.9:1 |
| Cooling System | Air/Oil cooled |
| Engine Oil | 10W/40 |
| Exhaust System | 4-into-1-into-2 Stainless-steel exhaust |
| Lubrication | Wet sump |
| Induction | 4 x 36 mm Mikuni constant-velocity semi-flatslide carburetors |
| Ignition | Full transistor |
| Spark Plug | NGK JR9C |
| Starting | Electric |
| Max Power | 80.2 kW / 112 hp @ 11000 rpm |
| Max Power Rear Tyre | 79.2 kW / 106.2 hp @ 11000 rpm |
| Max Torque | 74.5 Nm / 7.6 kgf-m / 54.9 ft-lb @ 10000 rpm |
| Clutch | Cable operated, wet multiple, coil spring |
| Transmission | 6 Speed, constant mesh |
| Final Drive | #530 Chain, O-ring sealed, 108 links |
| Gear Ratios | 1st 2.77 / 2nd 2.06 / 3rd 1.65 / 4th 1.40 / 5th 1.23 / 6th 1.09:1 |
| Frame | Lightweight aluminium alloy frame incorporated 45mm box tube main section and cast swing arm pivot |
| Front Suspension | 43 mm Telescopic forks adjustable for preload rebound damping |
| Rear Suspension | Full-floater Monoshock adjustable for preload rebound damping |
| Front Brakes | 2 x 310 mm Discs, 4 piston calipers |
| Rear Brakes | Single 230 mm disc, 1 piston caliper |
| Wheels | Alloy, 3 spoke |
| Front Tyre | 120/60 ZR17 |
| Rear Tyre | 160/60 ZR17 |
| Wheelbase | 1400 mm / 55.1 in. |
| Dimensions | Length 2055 mm / 80.9 in. Width 730 mm / 28.7 in. Height 1100 mm / 43.3 in. |
| Dry Weight | 195 kg / 430 lbs |
| Wet Weight | 223.6 kg / 493 lbs. |
| Fuel Capacity | 21 Litres / 5.5 US gal / 4.6 Imp gal |
| Average Consumption | 6.6 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 mile | 11 sec / 203 km/h / 126 mph |
| Top Speed | 248.3 km/h / 154.3 mph |
| Colours | White/Blue, Red/Black, Red/White |
| Source | Cycle World 1988 |
| Road Test | Moto Sprint Group Test Moto Sprint Group Test 1990 |
