| General |
| Year | 1980 - 81 | 2024 |
| Make Model | Honda CX 500 | Triumph Speed 400 |
| Dimensions |
| Seat Height | - | 790 mm / 31.1 in |
| Wheelbase | - | 1377 mm / 54.2 in |
| Height | - | 1075 mm / 42.3 in |
| Length | - | 2056 mm / 80.9 in |
| Width | - | 795 mm / 31.3 in |
| Weights & Capacities |
| Dry Weight (kg) | 205 | - |
| Wet Weight (kg) | - | 170 |
| Dry Weight | 205 kg / 452 lbs | - |
| Fuel Capacity | 17 Litres / 4.4 US gal | 13 Litres / 3.43 US gal |
| Wet Weight | - | 170 kg / 375 lbs |
| Performance |
| Top Speed | 180 km/h / 112 mph | - |
| Max Power | 50 hp / 37.2 kW @ 9000 rpm | 29.4 kW / 40hp @ 8000 rpm |
| Max Torque | 46 Nm / 33.9 lb-ft @ 7000 rpm | 38 Nm / 28 ft-lbs @ 6500 rpm |
| Standing Start ¼ Mile | 14.0 sec / 93 mph | - |
| Engine |
| Displacement | 497 cc / 30.3 cu-in | 398 cc / 24.3 cu-in |
| Engine Detail | Four stroke, longitudinal 800 V-twin cylinder, camshaft nestles at the base of the V between the cylinders. ,OHV, 4 valves per cylinder operated by pushrods | Four stroke, DOHC, single cylinder, 4 valves |
| Bore x Stroke | 78 x 52 mm | 89.0 x 64.0mm |
| Compression Ratio | 10.0:1 | 12.1:1 |
| Cooling System | - | Liquid cooled |
| Emissions | - | Euro 5 |
| Fuel Consumption | 43 mpg | - |
| Fuel Induction | 2x 34mm Keihin carbs. | Bosch ride-by-wire EFI |
| Ignition | CDI | - |
| Starter | Electric | Electric |
| Drivetrain |
| Clutch | Wet, multi-plate, 5-speed | Wet multiplate with assist and slip functions |
| Final Drive | Shaft | X-ring chain |
| Transmission / Drive | 5 Speed | 6-Speed |
| Chassis |
| Frame Type | - | Hybrid spine/perimeter, tubular steel, bolt-on rear subframe |
| Suspension - Front | 33mm Showa telehydraulic fork | 43mm Showa Big Piston, non-adjustable inverted fork |
| Suspension - Rear | Swinging arm fork with adjustable shocks absorbers | Single shock, fixed damping with the shock adjustable piggy-back reservior |
| Rake | - | 26.6° |
| Swingarm | - | Twin-sided, cast aluminium alloy |
| Trail | - | 101.6 mm / 4 in |
| Wheel Travel - Front | 132 mm / 5.1 in | 139.7 mm / 5.5 in |
| Wheel Travel - Rear | 84 mm / 3.3 in | 129.4 mm / 5.1 in |
| Electrical Systems |
| Instrumentation | - | Analogue speedometer with integrated multi-function LCD screen |
| Wheels & Brakes |
| Brakes - Front | 2x 275mm discs | Single 300 mm disc with radially mounted 4-piston caliper |
| Brakes - Rear | 160mm Drum | Single 230 mm disc with floating caliper |
| ABS | - | Bosch dual channel |
| Tyres - Front | 3.25-19 | 110/70 x R17 |
| Tyres - Rear | 3.75-18 | 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 |