
What you get
The Speed 400 brings Triumph’s unmistakable stripped back custom style, agile handling, responsive performance, and category-defining build quality to a new class of rider.
Full specifications
ENGINE & TRANSMISSION
TYPELiquid-cooled, 4 valve, DOHC, single-cylinder
CAPACITY398.15 cc
BORE89.0
STROKE64.0
COMPRESSION12:1
MAX POWER EC39.5 HP (40PS) @ 8,000 RPM
MAX TORQUE EC27.7 ft lb @ 6,500 rpm
SYSTEMBosch electronic fuel injection with electronic throttle control
EXHAUSTStainless twin-skin header system with stainless steel silencer
FINAL DRIVEX-ring chain
CLUTCHWet, multi-plate, slip & assist
GEARBOX6 speed
CHASSIS
FRAMEHybrid spine/perimeter, tubular steel, bolt-on rear subframe
SWINGARMTwin-sided, cast aluminum alloy
FRONT WHEELCast aluminum alloy 10 spoke, 17 x 3 in
REAR WHEELCast aluminum alloy 10 spoke, 17 x 4 in
FRONT TIRE110/70 R17
REAR TIRE150/60 R17
FRONT SUSPENSION43mm upside down Big Piston forks. 140mm wheel travel
REAR SUSPENSIONGas monoshock RSU with external reservoir and pre-load adjustment. 130mm wheel travel
FRONT BRAKES300mm fixed disc, four-piston radial caliper, ABS
REAR BRAKES230mm fixed disc, floating caliper, ABS
INSTRUMENT DISPLAY AND FUNCTIONSAnalogue speedometer with integrated multi-function LCD screen
DIMENSIONS & WEIGHTS
WIDTH HANDLEBARS32.05 in (814 mm)
HEIGHT WITHOUT MIRROR42.68 (1084mm)
SEAT HEIGHT31.10 in (790 mm)
WHEELBASE54.21 in (1377 mm)
RAKE24.6 º
TRAIL4.02 in (102 mm)
TANK CAPACITY3.43 US gal (13 litres)
WET WEIGHT375 lb (170kg)
FUEL CONSUMPTION
CO2 FIGURESEPA Procedure CO2 emissions and fuel consumption data are measured according to regulation 40 CFR Part 86 Subpart F. Figures for fuel consumption are derived from specific test conditions and are for comparative purposes only. They may not reflect real driving results.
SERVICE
SERVICE INTERVAL10,000 miles (16,000km)/12 months (whichever comes first)
START YOUR MOTORCYCLING JOURNEY WITH A FREE ECOURSE
ENGINECharacterful and responsive TR-Series engine (Euro 5 compliant)
GEARBOX6-speed gearbox with torque-assist clutch
TRACTION CONTROLRide-by-wire throttle with switchable traction control
ERGONOMICSAccessible 31.10 inch seat height, slim standover, and engaging ergonomics
CHASSISLightweight frame with bolt-on rear subframe and cast aluminum swingarm
SUSPENSION43mm diameter upside-down forks and pre-load adjustable rear monoshock
BRAKES300mm disc and powerful radial caliper with ABS
INSTRUMENTSAnalog speedometer with integrated full-feature LCD display
LIGHTINGPremium LED lighting and rear light signature
SERVICEClass-leading 10,000 miles (16,000 Km) service interval