Suzuki GSX-R 750G (1986) vs Suzuki GSX-R 750J (1988)
Comparison technical specifications
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| Make: | Suzuki | Suzuki |
| Model: | GSX-R 750G | GSX-R 750J |
| Years: | 1986 | 1988 |
| Engine: | Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder. | Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder. |
| Capacity: | 749 c / 45.7 cub. in. | 748 c / 45.6 cub. in. |
| Bore x Stroke: | 70.0 x 48.7 mm | 73.0 x 44.7 mm |
| Compression Ratio: | 10.6:1 | 10.9:1 |
| Cooling System: | Air/Oil cooled | Air/Oil cooled |
| Engine Oil: | 10W/40 | 10W/40 |
| Exhaust System: | 4-into-1 Stainless-steel exhaust | 4-into-1-into-2 Stainless-steel exhaust |
| Lubrication: | Wet sump | Wet sump |
| Induction: | 4 x VM2955 flat-valve carburetors | 4 x 36 mm Mikuni constant-velocity semi-flatslide carburetors |
| Ignition: | Full transistor | Full transistor |
| Spark Plug: | NGK DR8ES | NGK JR9C |
| Starting: | Electric | Electric |
| Max Power: | 72.9 kW / 100 hp @ 10500 rpm | 80.2 kW / 112 hp @ 11000 rpm |
| Max Power Rear Tyre: | 68.6 kW / 92 hp @ 10500 rpm | 79.2 kW / 106.2 hp @ 11000 rpm |
| Max Torque: | 70.6 Nm / 7.2 kgf-m / 52.1 ft-lb @ 8000 rpm | 74.5 Nm / 7.6 kgf-m / 54.9 ft-lb @ 10000 rpm |
| Clutch: | Cable operated, wet multiple, coil spring | Cable operated, wet multiple, coil spring |
| Transmission: | 6 Speed, constant mesh | 6 Speed, constant mesh |
| Final Drive: | #530 Chain, O-ring sealed | #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 | 1st 2.77 / 2nd 2.06 / 3rd 1.65 / 4th 1.40 / 5th 1.23 / 6th 1.09:1 |
| Frame: | Aluminium twin downtube | Lightweight aluminium alloy frame incorporated 45mm box tube main section and cast swing arm pivot |
| Front Suspension: | Posi Damp Fork (PDF), telescopic, pneumatic/coil spring, oil damped, 4-way adjustable damper, 41 mm | 43 mm Telescopic forks adjustable for preload rebound damping |
| Rear Suspension: | Full Floater, oil damped, fully adjustable preload with remote hydraulic control, 4 damping position | Full-floater Monoshock adjustable for preload rebound damping |
| Front Brakes: | 2 x 310 mm Discs, 4 piston calipers | 2 x 310 mm Discs, 4 piston calipers |
| Rear Brakes: | Single 280 mm disc, 1 piston caliper | Single 230 mm disc, 1 piston caliper |
| Wheels: | Alloy, 6 spoke | Alloy, 3 spoke |
| Front Tyre: | 110/80 V18 | 120/60 ZR17 |
| Rear Tyre: | 140/70 V18 | 160/60 ZR17 |
| Wheelbase: | 1445 mm / 57.3 in. | 1400 mm / 55.1 in. |
| Dimensions: | Length 2115mm / 83.3 in Width 745 mm / 29.3 in Height 1215 mm / 47.8 in | Length 2055 mm / 80.9 in. Width 730 mm / 28.7 in. Height 1100 mm / 43.3 in. |
| Dry Weight: | 176 kg / 388 lbs | 195 kg / 430 lbs |
| Wet Weight: | 185 kg / 408 lbs | 223.6 kg / 493 lbs. |
| Fuel Capacity: | 18.5 Litres / 4.9 US gal / 4.1 Imp gal | 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 | 6.6 L/100 km / 15.1 km/l / 35.5 US mpg / 42.8 Imp mpg |
| Standing ¼ mile: | 11.2 sec / 195.2 km/h / 121.3 mph | 11 sec / 203 km/h / 126 mph |
| Top Speed: | 234.7 km/h / 145.8 mph | 248.3 km/h / 154.3 mph |
| Colours: | White/Blue, Red/Black | White/Blue, Red/Black, Red/White |
| Road Test: | Group Test 1985 Motosprint Group Test 1987 Motosprint | Moto Sprint Group Test Moto Sprint Group Test 1990 |