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2024 Triumph Speed 400 Overview
The 2024 Triumph Speed 400 is a naked bike motorcycle built around 398 cc of displacement. Under the tank sits a Four stroke, DOHC, single cylinder, 4 valves engine, a compression ratio of 12.1:1. 2024 Triumph Speed 400 delivers 29.4 kW @ 8000 rpm of peak power and 38 Nm @ 6500 rpm of torque. From a practical standpoint, the 2024 Speed 400 tips the scales at 170 kg, carries a 13-litre fuel tank, offers a seat height of 790 mm and spans a 1377 mm wheelbase. Scroll down for the complete 2024 Triumph Speed 400 spec sheet covering every technical detail from suspension travel to tyre sizes.
2024 Speed 400 - Pros & Cons
Strengths
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⚡
Strong power output: 2024 Triumph Speed 400 makes 29.4 kW @ 8000 rpm with 38 Nm @ 6500 rpm of torque - competitive figures for its class.
Considerations
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ℹ️
Age-related wear: As with any used Speed 400, a thorough pre-purchase inspection covering consumables, service history and tyres is always recommended.
Owner Experiences & Common Issues
General ownership notes
The 2024 Triumph Speed 400 has built a reputation for solid everyday reliability when serviced to schedule. As with any motorcycle of this era, documented service history is the single biggest indicator of long-term reliability when buying used.
Speed 400 - Buying & Maintenance Guide
What to check before buying
When inspecting a used 2024 Triumph Speed 400, start with the basics: check the service book for oil change frequency, inspect the chain and sprockets for wear, and look for oil seepage around the engine casings and rocker covers. A cold start test is invaluable - a well-maintained Speed 400 should fire up cleanly and settle to a smooth idle within a few seconds.
Oil and filter changes
Regular oil changes are the single most important maintenance task on any Speed 400. Stick to the manufacturer's interval - typically every 6,000 km or once a year, whichever comes first. Always use the correct viscosity grade as specified in the owner's manual.
2024 Triumph Speed 400 - Frequently Asked Questions
What engine does the 2024 Triumph Speed 400 have?
The 2024 Triumph Speed 400 uses a Four stroke, DOHC, single cylinder, 4 valves engine with 398 cc of displacement. It is liquid cooled.
How much does the 2024 Triumph Speed 400 weigh?
The 2024 Triumph Speed 400 weighs 170 kg. This is the manufacturer's wet figure.
How much power does the 2024 Triumph Speed 400 make?
The 2024 Triumph Speed 400 produces 29.4 kW @ 8000 rpm of power and 38 Nm @ 6500 rpm of torque. These are peak figures.
What is the fuel tank capacity of the 2024 Triumph Speed 400?
The 2024 Triumph Speed 400 has a 13-litre fuel tank. At around 5-6 litres per 100 km, that is roughly 216-260 km between stops.
Is the 2024 Triumph Speed 400 suitable for shorter riders?
The 2024 Triumph Speed 400 has a seat height of 790 mm. This is a moderate seat height that suits a wide range of rider heights.
What brakes does the 2024 Triumph Speed 400 have?
The 2024 Triumph Speed 400 uses Single 300 mm disc with radially mounted 4-piston caliper at the front and Single 230 mm disc with floating caliper at the rear.
What tyre sizes does the 2024 Triumph Speed 400 use?
The 2024 Triumph Speed 400 runs 110/70 x R17 front and 150/60 x R17 rear tyres. A good selection of sport, touring and all-weather rubber is available in these sizes.
What gearbox does the 2024 Triumph Speed 400 have?
The 2024 Triumph Speed 400 is fitted with a 6-Speed transmission.
Key Specifications
Engine
Four stroke, DOHC, single cylinder, 4 valves
Power
29.4 kW / 40hp @ 8000 rpm
Torque
38 Nm / 28 ft-lbs @ 6500 rpm
Fuel Capacity
13 Litres / 3.43 US gal
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Full 2024 Triumph Speed 400 Specifications
Year
2024
Make Model
Triumph Speed 400
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
Fuel Capacity
13 Litres / 3.43 US gal
Wet Weight
170 kg / 375 lbs
Displacement
398 cc / 24.3 cu-in
Engine Detail
Four stroke, DOHC, single cylinder, 4 valves
Bore x Stroke
89.0 x 64.0mm
Compression Ratio
12.1:1
Cooling System
Liquid cooled
Emissions
Euro 5
Fuel Induction
Bosch ride-by-wire EFI
Starter
Electric
Clutch
Wet multiplate with assist and slip functions
Final Drive
X-ring chain
Transmission / Drive
6-Speed
Frame Type
Hybrid spine/perimeter, tubular steel, bolt-on rear subframe
Suspension - Front
43mm Showa Big Piston, non-adjustable inverted fork
Suspension - Rear
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
139.7 mm / 5.5 in
Wheel Travel - Rear
129.4 mm / 5.1 in
Instrumentation
Analogue speedometer with integrated multi-function LCD screen
Brakes - Front
Single 300 mm disc with radially mounted 4-piston caliper
Brakes - Rear
Single 230 mm disc with floating caliper
ABS
Bosch dual channel
Tyres - Front
110/70 x R17
Tyres - Rear
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
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