At the heart of the 2025 Triumph Speed Twin 1200 RS classic motorcycle, Triumph relies on a 1200 cc (73.2 cu in) liquid-cooled twin, four-stroke powerplant. In factory specification, peak output is rated at 103.5 HP (75.5 kW) at 7,250 rpm while maximum torque reaches 83 Nm (61.2 lb-ft) at 4,250 rpm, transferring power to the rear wheel through a 6-speed gearbox and chain final drive. With a specific output of 86.3 HP per liter and a 3,000 rpm working window between peak torque (4,250 rpm) and peak power (7,250 rpm), the engine character is indicating a tractable, stress-free state of tune focused on everyday usability and broad torque delivery.
On the scales, the Speed Twin 1200 RS measures 216 kg (476 lbs) wet (curb), translating to a power-to-weight ratio of 0.48 HP/kg (2.09 kg per horsepower). Rider ergonomics and chassis geometry center around a 810 mm (31.9 in) seat height — offering a neutral standover height that accommodates most average-inseam riders without sacrificing cornering clearance, combined with a 1,414 mm (55.7 in) wheelbase engineered for quick, flickable steering geometry. The 14.5-liter (3.8 US gal) fuel tank paired with a rated consumption of 5.1 L/100 km provides an estimated theoretical range of roughly 284 km (176 miles) between fill-ups.
Specific Output
86.3 HP/L
Power-to-Weight
0.48 HP/kg (2.09 kg/HP)
Power Band Window
4,250–7,250 rpm
Theoretical Range
~284 km (176 mi)
Engine
Displacement1200.0 ccm (73.22 cubic inches)
Engine TypeTwin, four-stroke
Engine Details270° crank angle
Power103.5 HP (75.5 kW)) @ 7250 RPM
Torque83.0 Nm (8.5 kgf-m or 61.2 ft.lbs) @ 4250 RPM
Compression12.1:1
Bore x Stroke97.6 x 80.0 mm (3.8 x 3.1 inches)
Valves/Cylinder4
Fuel SystemInjection
Fuel ControlSingle Overhead Cams (SOHC)
CoolingLiquid
Transmission
Gearbox6-speed
Final DriveChain (final drive)
ClutchWet, multi-plate torque assist clutch
DrivelineX- ring chain
Performance
Fuel Consumption5.10 litres/100 km (19.6 km/l or 46.12 mpg)
Greenhouse Gases118.3 CO2 g/km. (CO2 - Carbon dioxide emission)
Emission DetailsEuro 5
ExhaustBrushed stainless steel 2 into 2 exhaust system with twin silencers
Chassis
Frame TypeTubular steel, with steel cradles. Twin sided aluminium swingarm.
Rake22.6°
Trail92 mm (3.6 inches)
Front SuspensionUSD Marzocchi forks, 43mm
Front Travel120 mm (4.7 inches)
Rear SuspensionTwin RSUs with adjustable preload
Rear Travel123 mm (4.8 inches)
Wheelbase1414 mm (55.7 inches)
Wheels & Brakes
Front Tyre120/70-ZR17
Rear Tyre160/60-ZR17
Front BrakesDouble disc. ABS. Four-piston calipers. Brembo.
Use this page to compare this motorcycle by its real specifications, not only by model name. Focus on the details that affect fit, comfort, handling, range and ownership.
Power
Compare engine output with similar motorcycles if acceleration, highway use or two-up riding matters.
Torque
Torque is useful for judging real-world pull, especially for touring, commuting and loaded riding.
Seat Height
Check the seat height against your inseam and riding posture before choosing a motorcycle.
Fuel Capacity
Fuel capacity helps estimate touring range and how often you may need to stop.
Brakes
Brake setup is worth comparing if you ride in traffic, mountains or with a passenger.
Suspension
Suspension details can matter for comfort, road feel and long-distance riding.
Transmission
Transmission and final drive affect maintenance, smoothness and everyday usability.
