Data sheet
Dimensions & weights
- Wet weight
- 179 kg
- Seat height
- 835 mm
- Wheelbase
- 1418 mm
- Suspension travel
- 150 / 150 mm
- Payload capacity
- 176 kg
Engine & drivetrain
- Engine
- 398 cc · Single
- Cooling
- Liquid cooled
- Output
- 40 hp · 37 Nm
- Transmission
- 6-speed
- Final drive
- Chain
- Fuelling
- Electronic fuel injection
Fuel & range
- Fuel capacity
- 13 L
- Real world range
- 290 km
Electronics & rider aids
- Ride modes
- None
- Cruise control
- No
- Traction control
- No
- ABS
- Yes · fully defeatable
- Heated grips
- No
- Heated seat
- No
Service intervals
- Service interval
- 10,000 km
- Valve check
- 16,000 km
- Chain lube
- every 300 km
Protection
- Bash plate
- None
- Radiator guard
- No
- Oil cooler guard
- No
- Hand guards
- No
Consumables & service specs
Every value carries its source.
Tyres
- Front
- 100/90-19 57VTriumph OM Speed 400/Scrambler 400X · official
- Rear
- 140/80 R17 69VTriumph OM Speed 400/Scrambler 400X · official
Tyre pressures
- Front — solo
- 1.79 bar179 kPa / 26.0 psi, cold. Manual does not differentiate solo vs loaded pressures — same value applies to bothTriumph OM Speed 400/Scrambler 400X · official
- Front — loaded
- 1.79 barOfficial Triumph handbook does not publish a separate loaded/passenger pressure table for this model; same value as solo is used per manualTriumph OM Speed 400/Scrambler 400X · official
- Rear — solo
- 2.28 bar228 kPa / 33.0 psi, cold. Manual does not differentiate solo vs loaded pressures — same value applies to bothTriumph OM Speed 400/Scrambler 400X · official
- Rear — loaded
- 2.28 barOfficial Triumph handbook does not publish a separate loaded/passenger pressure table for this model; same value as solo is used per manualTriumph OM Speed 400/Scrambler 400X · official
Engine oil
- Viscosity
- Fully synthetic 10W/50, API SN (or higher) + JASO MA2Semi-synthetic oil must NOT be used per official handbook warningTriumph OM Speed 400/Scrambler 400X · official
- Capacity
- 2.0 lWet fill including filter change = 2.0L; wet fill excluding filter = 1.8L; dry fill = 2.25LTriumph OM Speed 400/Scrambler 400X · official
Coolant
- Capacity
- 1.2 lThermostat opens at 88°C, per official Triumph owner's handbookTriumph OM Speed 400/Scrambler 400X · official
- Type
- Triumph D2053 OAT premixed coolantOrange OAT coolant, supplied premixed; official manual also lists market-specific green HP Thanda Raja B OAT coolant. Do not mix incompatible types.Triumph Scrambler 400 X handbook · official
Brakes
- Fluid type
- Triumph Performance DOT 4Triumph OM Speed 400/Scrambler 400X · official
Final drive
- Chain
- 520 Series X-ring chain, 106 links, final drive ratio 3.07:1 (43/14)20-link chain length spec 323.7mm per official handbookTriumph OM Speed 400/Scrambler 400X · official
Spark plugs
- Type
- Bosch VR6NEUTriumph OM Speed 400/Scrambler 400X · official
- Gap
- 0.9 mm+0.00/-0.1mm tolerance per official handbookTriumph OM Speed 400/Scrambler 400X · official
- Quantity
- 1Single-cylinder engine (inferred from engine architecture; handbook does not explicitly restate quantity but confirms single-cylinder 4-valve DOHC design)Triumph OM Speed 400/Scrambler 400X · official
Battery
- Type
- ETZ-9 or YTX9-BS, 12V/8AhAlternator rated 14V/18.5A at 4000rpmTriumph OM Speed 400/Scrambler 400X · official
Fuel
- Minimum octane
- 91 RON minimum (87 AKI/CLC in US)Triumph OM Speed 400/Scrambler 400X · official
- Ethanol tolerance
- E5/E10 compatible (Europe); up to E25 in some other marketsTriumph OM Speed 400/Scrambler 400X · official
Tyre Library
Tyres for this bike and year
Start with this motorcycle’s front and rear sizes. Open a tyre to check the complete fit for this exact bike and year; a size or original-equipment report alone does not confirm it.
Matches this bike and year
Bridgestone BATTLAX Adventure A41
The manufacturer lists this exact front and rear tyre pair for the selected motorcycle and year. Any details the source does not publish separately remain visible below.
Still needs checking: construction, any manufacturer restrictions, approved rim width, tube or tubeless setup.
manufacturer fact: Bridgestone lists this exact A41 front and rear pair for the Scrambler 400 X.
Sizes match, but more needs checking
Metzeler Karoo Street
Matching front and rear sizes exist, but some motorcycle requirements or the front-and-rear pairing still need confirmation.
Still needs checking: construction, any manufacturer restrictions, front and rear pairing, approved rim width, tube or tubeless setup, a named tyre match.
Sizes match, but more needs checking
Pirelli Scorpion Rally STR
Matching front and rear sizes exist, but some motorcycle requirements or the front-and-rear pairing still need confirmation.
Still needs checking: construction, any manufacturer restrictions, front and rear pairing, approved rim width, tube or tubeless setup, a named tyre match.
Sizes match, but more needs checking
Pirelli Scorpion Trail III
Matching front and rear sizes exist, but some motorcycle requirements or the front-and-rear pairing still need confirmation.
Still needs checking: construction, any manufacturer restrictions, front and rear pairing, approved rim width, tube or tubeless setup, a named tyre match.
Sizes match, but more needs checking
Metzeler Tourance Next 2
Matching front and rear sizes exist, but some motorcycle requirements or the front-and-rear pairing still need confirmation.
Still needs checking: construction, any manufacturer restrictions, front and rear pairing, approved rim width, tube or tubeless setup, a named tyre match.
No matching front and rear pair
Michelin Anakee III
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: a named tyre match.
No matching front and rear pair
Michelin Anakee Road
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: a named tyre match.
No matching front and rear pair
Michelin Anakee Wild
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: a named tyre match.
No matching front and rear pair
Pirelli Angel GT
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: a named tyre match.
No matching front and rear pair
Pirelli Angel GT II
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: a named tyre match.
No matching front and rear pair
Pirelli Angel ST
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: a named tyre match.
No matching front and rear pair
Bridgestone Battlax Adventure Trail AT41
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: a named tyre match.
No matching front and rear pair
Bridgestone BATTLAX Adventurecross AX41
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: a named tyre match.
No matching front and rear pair
Bridgestone BATTLAX Adventurecross Scrambler AX41S
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: a named tyre match.
No matching front and rear pair
Bridgestone BATTLAX BT-45
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: a named tyre match.
No matching front and rear pair
Bridgestone BATTLAX Sport Touring T32
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: a named tyre match.
No matching front and rear pair
Bridgestone BATTLAX Sport Touring T33
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: a named tyre match.
No matching front and rear pair
Bridgestone BATTLE WING BW501 / BW502
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: a named tyre match.
No matching front and rear pair
Bridgestone BATTLECRUISE H50
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: a named tyre match.
No matching front and rear pair
Avon Cobra Chrome
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: a named tyre match.
No matching front and rear pair
Michelin Commander II
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: a named tyre match.
No matching front and rear pair
Michelin Commander III Cruiser
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: a named tyre match.
No matching front and rear pair
Michelin Commander III Touring
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: a named tyre match.
No matching front and rear pair
Continental ContiClassicAttack
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: a named tyre match.
No matching front and rear pair
Continental ContiLegend
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: a named tyre match.
No matching front and rear pair
Continental ContiMotion
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: a named tyre match.
No matching front and rear pair
Continental ContiRoad
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: a named tyre match.
No matching front and rear pair
Continental ContiRoadAttack 4
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: a named tyre match.
No matching front and rear pair
Continental ContiTour
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: a named tyre match.
No matching front and rear pair
Metzeler Cruisetec
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: a named tyre match.
No matching front and rear pair
Pirelli Diablo Powercruiser
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: a named tyre match.
No matching front and rear pair
Metzeler Enduro 3 Sahara
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: a named tyre match.
No matching front and rear pair
Mitas Enduro Trail-ADV 2
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: a named tyre match.
No matching front and rear pair
Mitas Enduro Trail+
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: a named tyre match.
No matching front and rear pair
Bridgestone EXEDRA G853 / G852
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: a named tyre match.
No matching front and rear pair
Bridgestone EXEDRA MAX
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: a named tyre match.
No matching front and rear pair
IRC GP-21F / GP-22R
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: a named tyre match.
No matching front and rear pair
Heidenau K60 Scout
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: a named tyre match.
No matching front and rear pair
Dunlop K750
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: a named tyre match.
No matching front and rear pair
Metzeler Lasertec
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: a named tyre match.
No matching front and rear pair
Pirelli MT 21 Rallycross
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: a named tyre match.
No matching front and rear pair
Pirelli MT 60 RS
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: a named tyre match.
No matching front and rear pair
Pirelli Night Dragon
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: a named tyre match.
No matching front and rear pair
Continental RB 2 / K 112
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: a named tyre match.
No matching front and rear pair
Michelin Road 5
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: a named tyre match.
No matching front and rear pair
Michelin Road 6
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: a named tyre match.
No matching front and rear pair
Michelin Road 6 GT
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: a named tyre match.
No matching front and rear pair
Michelin Road Classic
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: a named tyre match.
No matching front and rear pair
Michelin Road W GT
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: a named tyre match.
No matching front and rear pair
Metzeler Roadtec 01
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: a named tyre match.
No matching front and rear pair
Metzeler Roadtec 01 SE
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: a named tyre match.
No matching front and rear pair
Metzeler Roadtec 02
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: a named tyre match.
No matching front and rear pair
Metzeler Roadtec Z8 Interact
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: a named tyre match.
No matching front and rear pair
Michelin Scorcher 11
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: a named tyre match.
No matching front and rear pair
Michelin Scorcher 31
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: a named tyre match.
No matching front and rear pair
Michelin Scorcher Adventure
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: a named tyre match.
No matching front and rear pair
Pirelli Scorpion Rally
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: a named tyre match.
No matching front and rear pair
Pirelli Scorpion Trail II
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: a named tyre match.
No matching front and rear pair
Avon Spirit ST
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: a named tyre match.
No matching front and rear pair
Continental TKC 70 Rocks
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: a named tyre match.
No matching front and rear pair
Continental TKC 80
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: a named tyre match.
No matching front and rear pair
Continental TKC 80²
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: a named tyre match.
No matching front and rear pair
Metzeler Tourance
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: a named tyre match.
No matching front and rear pair
Bridgestone Trail Wing TW101 / TW42
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: a named tyre match.
Does not fit this bike
Michelin Anakee Adventure
The size names match, but one or more complete fit checks fail for this motorcycle.
Still needs checking: construction, any manufacturer restrictions, front and rear pairing, approved rim width, tube or tubeless setup, a named tyre match.
Does not fit this bike
Bridgestone BATTLAX BT46
The size names match, but one or more complete fit checks fail for this motorcycle.
Still needs checking: construction, any manufacturer restrictions, front and rear pairing, approved rim width, tube or tubeless setup, a named tyre match.
Does not fit this bike
Continental ContiEscape
The size names match, but one or more complete fit checks fail for this motorcycle.
Still needs checking: construction, any manufacturer restrictions, front and rear pairing, approved rim width, tube or tubeless setup, a named tyre match.
Does not fit this bike
Continental ContiTrailAttack 3
The size names match, but one or more complete fit checks fail for this motorcycle.
Still needs checking: construction, any manufacturer restrictions, front and rear pairing, approved rim width, tube or tubeless setup, a named tyre match.
Does not fit this bike
Mitas Enduro Trail-XT+
The size names match, but one or more complete fit checks fail for this motorcycle.
Still needs checking: construction, any manufacturer restrictions, front and rear pairing, approved rim width, tube or tubeless setup, a named tyre match.
Does not fit this bike
Metzeler Karoo 4
The size names match, but one or more complete fit checks fail for this motorcycle.
Still needs checking: construction, any manufacturer restrictions, front and rear pairing, approved rim width, tube or tubeless setup, a named tyre match.
Does not fit this bike
Metzeler ME 888 Marathon Ultra
The size names match, but one or more complete fit checks fail for this motorcycle.
Still needs checking: construction, any manufacturer restrictions, front and rear pairing, approved rim width, tube or tubeless setup, a named tyre match.
Does not fit this bike
Mitas Terra Force-R
The size names match, but one or more complete fit checks fail for this motorcycle.
Still needs checking: construction, any manufacturer restrictions, front and rear pairing, approved rim width, tube or tubeless setup, a named tyre match.
Does not fit this bike
Continental TKC 70
The size names match, but one or more complete fit checks fail for this motorcycle.
Still needs checking: construction, any manufacturer restrictions, front and rear pairing, approved rim width, tube or tubeless setup, a named tyre match.
What breaks first and where.
Immobilizer software can prevent starting
SeriousRareTriumph Technical News 255 documents an immobilizer software condition on Speed 400 and Scrambler 400 X motorcycles that can log U0167 and prevent the engine from starting. Triumph reverted the affected software through the Triumph Diagnostic Tool release 2024-07.
Symptoms
- Engine will not start
- Diagnostic trouble code U0167
- Immobilizer warning indication
Field repairableNo — Dealer diagnostic-tool software update/reversion required; not a rider field repair.
Where to find things
Common locations for jacks, filters, fluids and fuse boxes. Follow the reference link when a picture helps more than words.
Engine oil fill
Engine-oil filler and level-check point on the engine; use the referenced owner-manual level procedure and keep contamination out of the opening.
ReferenceCoolant reservoir
Coolant expansion reservoir shown in the referenced owner-manual general-view and maintenance diagrams; open or top up only when the system is cold.
ReferenceBrake fluid reservoir
Front reservoir at the handlebar master cylinder and rear reservoir beside the rear master cylinder; use the manual's motorcycle attitude for level checks.
ReferenceFuse box — interior
Fuse box 1 under the seat (9 fuses); Fuse box 2 plus main fuse behind the left side panel
Reference