| General |
| Year | - | 2024 |
| Colours | Metallic Spark Black/Flat Ebony, Metallic Spark Black/Pearl Stardust White | - |
| Make Model | - | Triumph Speed 400 |
| Dimensions |
| Ground Clearance (mm) | 150 mm | - |
| Ground Clearance (in.) | 5.9 inches | - |
| Width (mm) | 800 mm | - |
| Height (mm) | 1,050 mm | - |
| Length (in.) | 82.7 inches | - |
| Height (in.) | 41.3 inches | - |
| Seat Height (in.) | 32.8 inches | - |
| Seat Height (mm) | 834 mm | - |
| Wheelbase (in.) | 56.9 inches | - |
| Wheelbase (mm) | 1,445 mm | - |
| Length (mm) | 2,100 mm | - |
| Width (in.) | 31.5 inches | - |
| Seat Height | 834 mm / 32.8 in. | 790 mm / 31.1 in |
| Wheelbase | 1,445 mm / 56.9 in. | 1377 mm / 54.2 in |
| Height | 1,050 mm / 41.3 in. | 1075 mm / 42.3 in |
| Length | 2,100 mm / 82.7 in. | 2056 mm / 80.9 in |
| Width | 800 mm / 31.5 in. | 795 mm / 31.3 in |
| Weights & Capacities |
| Fuel Capacity (l) | 17.00 litres | - |
| Wet Weight (kg) | 227.0 kg | 170 |
| Wet Weight (lbs.) | 500.4 pounds | - |
| Fuel Capacity (gal.) | 4.49 gallons | - |
| Fuel Capacity | 17.00 litres / 4.49 gallons | 13 Litres / 3.43 US gal |
| Wet Weight | 227.0 kg / 500.4 lbs | 170 kg / 375 lbs |
| Performance |
| Max Power | - | 29.4 kW / 40hp @ 8000 rpm |
| Max Torque | 83.00 Nm (8.5 kgf-m or 61.2 ft.lbs) @ 8500 Revolutions | 38 Nm / 28 ft-lbs @ 6500 rpm |
| Engine |
| Bore x Stroke (in,) | 2.8 x 2.0 inches | - |
| Bore x Stroke (mm) | 71.0 x 50.9 mm | - |
| Displacement (cc) | 806.00 cc | - |
| Displacement (ci) | 49.18 cubic inches | - |
| Engine Type | In-line four, four-stroke | - |
| Fuel Control | Double Overhead Cams/Twin Cam (DOHC) | - |
| Displacement | - | 398 cc / 24.3 cu-in |
| Engine Detail | - | Four stroke, DOHC, single cylinder, 4 valves |
| Fuel System | Injection. 34 mm x 4 Mikuni with dual throttle valves | - |
| Bore x Stroke | - | 89.0 x 64.0mm |
| Compression Ratio | 11.9:1 | 12.1:1 |
| Cooling System | - | Liquid cooled |
| Emissions | - | Euro 5 |
| Engine Lubrication | Forced lubrication, wet sump | - |
| Fuel Induction | - | Bosch ride-by-wire EFI |
| Ignition | Digital | - |
| Starter | Electric | Electric |
| Valve System | 4 | - |
| Drivetrain |
| Clutch | Wet multi-disc, manual | Wet multiplate with assist and slip functions |
| Final Drive | Chain | X-ring chain |
| Gearbox | 6-speed | - |
| Primary Drive | Sealed chain | - |
| Transmission / Drive | - | 6-Speed |
| Chassis |
| Frame Type | Tubular backbone (with engine sub-frame), high-tensile steel | Hybrid spine/perimeter, tubular steel, bolt-on rear subframe |
| Suspension - Front | 41 mm inverted fork with rebound damping and spring preload adjustability | 43mm Showa Big Piston, non-adjustable inverted fork |
| Suspension - Rear | Bottom-Link Uni-Trak, gas-charged shock with piggyback reservoir and stepless rebound damping and preload adjustability | Single shock, fixed damping with the shock adjustable piggy-back reservior |
| Rake | 31.0° | 26.6° |
| Swingarm | - | Twin-sided, cast aluminium alloy |
| Trail | - | 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 |
| Instrumentation | - | Analogue speedometer with integrated multi-function LCD screen |
| Wheels & Brakes |
| Brakes - Rear Diameter (mm) | 250 mm | - |
| Brakes - Front Diameter (in.) | 12.2 inches | - |
| Brakes - Front Diameter (mm) | 310 mm | - |
| Brakes - Rear Diameter (in.) | 9.8 inches | - |
| Brakes - Front | Double disc. Floating discs. | Single 300 mm disc with radially mounted 4-piston caliper |
| Brakes - Rear | Single disc. Single-piston caliper. | Single 230 mm disc with floating caliper |
| ABS | - | Bosch dual channel |
| Rims | Dunlop Sportmax tires | - |
| Tyres - Front | 120/70-ZR17 | 110/70 x R17 |
| Tyres - Rear | 180/55-ZR17 | 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 |