Naked
TriumphSpeed 400
2026-present
- Power
- 39.4hp
- @ 8,000 rpm
- Torque
- 37.5Nm
- @ 6,500 rpm
- Weight
- 170kg
- wet
- Engine
- 398cc
- 1 cyl · single-cylinder , 4 strokes

The Triumph Speed 400 is listed for 2024-present, in 2 versions. Category: Naked. Latest version (2026-present): 398 cc, 39.4 hp, 37.5 Nm, and 170 kg.
Engine
- Engine
- single-cylinder , 4 strokes Injection Ø nc Cooling system : liquid 2 ACT 4 valves 398.15 cc 40 ch (39.40 hp) to 8,000 rpm 3.90 mkg (37.50 Nm) to 6,500 rpm
- Displacement
- 398 cc
- Cylinders
- 1
- Configuration
- single-cylinder , 4 strokes
- Cooling
- liquid-cooled
- Transmission
- 6 stage gearbox , manual Secondary by chain
- Gears
- 6
- Final drive
- chain
Performance
- Power
- 39.4 hp
- Power (metric)
- Not available
- Peak power at
- 8,000 rpm
- Torque
- 37.5 Nm
- Peak torque at
- 6,500 rpm
Chassis
- Front suspension
- Inverted telescopic fork Ø 43 mm, Wheel travel : 140 mm (5.51 in)
- Rear suspension
- Mono-damper, Wheel travel : 130 mm (5.12 in)
- Front tire
- 110/70-17
- Rear tire
- 150/60-17
Brakes
- System
- ABS
- Front
- 1 disc Ø 300 mm (11.81 in), radial mounting, 4-piston caliper
- Rear
- 1 disc Ø 230 mm (9.06 in), 2-piston caliper
Dimensions
- Weight
- 170 kg
- Weight basis
- wet
- Seat height
- 790 mm
- Fuel capacity
- 13 L
Electronics
- Quickshifter
- Not available