| General |
| Year | 1980 | 2024 |
| Make Model | Suzuki GS 750E | Triumph Speed 400 |
| Dimensions |
| Seat Height | - | 790 mm / 31.1 in |
| Wheelbase | 1490 mm / 58.7 in | 1377 mm / 54.2 in |
| Ground Clearance | 150 mm / 5.9 in | - |
| Height | 1170 mm / 46.1in | 1075 mm / 42.3 in |
| Length | 2225 mm / 87.6 in | 2056 mm / 80.9 in |
| Turning Circle | 2.5 m / 8.5 ft | - |
| Width | 870 mm / 34.3 in | 795 mm / 31.3 in |
| Weights & Capacities |
| Dry Weight (kg) | 223 | - |
| Wet Weight (kg) | - | 170 |
| Dry Weight | 223 kg / 492 lbs. | - |
| Fuel Capacity | 18 Litres / 4.8 US gal / 4.0 Imp gal | 13 Litres / 3.43 US gal |
| Wet Weight | - | 170 kg / 375 lbs |
| Performance |
| Top Speed | 180 km/h / 112 mph | - |
| Max Power | 53.6 kW / 72 hp @ 8500 rpm | 29.4 kW / 40hp @ 8000 rpm |
| Max Torque | 60 Nm / 6.1 kgf-m / 44.2 lb-ft @ 8250 rpm | 38 Nm / 28 ft-lbs @ 6500 rpm |
| Standing Start ¼ Mile | 12.8 sec | - |
| Engine |
| Displacement | 748 cc / 45.6 cu in | 398 cc / 24.3 cu-in |
| Engine Detail | Four stroke, transverse four cylinders, DOHC, 2 valve per cylinder. | Four stroke, DOHC, single cylinder, 4 valves |
| Bore x Stroke | 65 x 56.4 mm | 89.0 x 64.0mm |
| Compression Ratio | 8.7:1 | 12.1:1 |
| Cooling System | Air cooled | Liquid cooled |
| Emissions | - | Euro 5 |
| Fuel Consumption | 6.4 L/100 km / 15.6 km/l / 36.7 US mpg / 44.1 Imp mpg | - |
| Fuel Induction | 4 x Mikuni VM26SS carburators | Bosch ride-by-wire EFI |
| Fuel Reserve | 2 Litres / 0.5 US gal / 0.44 Imp gal | - |
| Ignition | Battery, coil | - |
| Lubrication | Wet sump | - |
| Spark Plug | NGK B8ES | - |
| Starter | Electric & kick | Electric |
| EV Specifics |
| Battery Capacity | 12V 14AH/10 hr. | - |
| Drivetrain |
| Clutch | Wet multi-plate | Wet multiplate with assist and slip functions |
| Final Drive | Chain, 630SO 96 link, O-ring .81/2 in. free-play | X-ring chain |
| Final Drive Ratio | 2.733 (41/15) | - |
| Gear Ratios | 1st 2.571 (36/14) / 2nd 1.777 (32/18) / 3rd 1.380(29/21) / 4th 1.125 (27/24) / 5th 0.961 (25/26) | - |
| Primary Drive Ratios | 2.152 (99/46) | - |
| Transmission / Drive | 5 Speed | 6-Speed |
| Chassis |
| Frame Type | - | Hybrid spine/perimeter, tubular steel, bolt-on rear subframe |
| Suspension - Front | 35mm Kayaba with anti dive adjustable air pressure. | 43mm Showa Big Piston, non-adjustable inverted fork |
| Suspension - Rear | Dual shocks adjustable preload and spring rebound damping. | Single shock, fixed damping with the shock adjustable piggy-back reservior |
| Rake | - | 26.6° |
| Steering Angle | 40° | - |
| Steering Head Angle | 63° | - |
| Swingarm | - | Twin-sided, cast aluminium alloy |
| Trail | 107 mm / 4.21 in | 101.6 mm / 4 in |
| Wheel Travel - Front | - | 139.7 mm / 5.5 in |
| Wheel Travel - Rear | - | 129.4 mm / 5.1 in |
| Electrical Systems |
| Charging System | 3 ph AC | - |
| Instrumentation | - | Analogue speedometer with integrated multi-function LCD screen |
| Wheels & Brakes |
| Brakes - Front | Single 292 mm disc, 1 piston caliper | Single 300 mm disc with radially mounted 4-piston caliper |
| Brakes - Rear | Single 292 mm disc ,1 piston caliper | Single 230 mm disc with floating caliper |
| ABS | - | Bosch dual channel |
| Tyres - Front | 3.25 H19 | 110/70 x R17 |
| Tyres - Rear | 4.00 H18 | 150/60 x R17 |
| Wheels - Front | - | 17 x 3 in with 10-spoke cast aluminium alloy rims |
| Wheels - Rear | - | 17 x 4 in with 10-spoke cast aluminium alloy rims |