Positioned in Triumph's custom - cruiser motorcycle lineup, the 2005 Triumph Speedmaster utilizes a 865 cc (52.8 cu in) air-cooled twin, four-stroke layout. In factory specification, peak output is rated at 55 HP (40.1 kW) at 6,500 rpm while maximum torque reaches 68 Nm (50.2 lb-ft) at 3,500 rpm, transferring power to the rear wheel through a 5-speed gearbox and chain final drive. With a specific output of 63.6 HP per liter and a 3,000 rpm working window between peak torque (3,500 rpm) and peak power (6,500 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 Speedmaster measures 229 kg (505 lbs) dry, translating to a power-to-weight ratio of 0.24 HP/kg (4.16 kg per horsepower). Rider ergonomics and chassis geometry center around a 720 mm (28.3 in) seat height — giving shorter riders and urban commuters confident flat-foot reach at traffic stops, combined with a 1,655 mm (65.2 in) wheelbase engineered for planted straight-line stability.
Within MotoLibrary's Triumph archive, this model family spans 14 indexed model years from 2003 to 2016, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.
Specific Output
63.6 HP/L
Power-to-Weight
0.24 HP/kg (4.16 kg/HP)
Power Band Window
3,500–6,500 rpm
Standover Height
720 mm (28.3 in)
Engine
Displacement865.0 ccm (52.78 cubic inches)
Engine TypeTwin, four-stroke
Engine DetailsTwin, four-stroke
Power55.0 HP (40.1 kW)) @ 6500 RPM
Torque68.0 Nm (6.9 kgf-m or 50.2 ft.lbs) @ 3500 RPM
Compression9.2:1
Bore x Stroke90.0 x 68.0 mm (3.5 x 2.7 inches)
Fuel SystemCarburettor. Twin carburettors with throttle position sensor and electric carburettor heaters
Fuel ControlDouble Overhead Cams/Twin Cam (DOHC)
IgnitionDigital - inductive type
CoolingAir
Transmission
Gearbox5-speed
Final DriveChain (final drive)
ClutchWet, multi-plate
Chassis
Frame TypeTubular steel cradle
Rake33.3°
Front Suspension41mm forks
Rear SuspensionChromed spring twin shocks with adjustable preload
Wheelbase1655 mm (65.2 inches)
Wheels & Brakes
Front BrakesDouble disc. 2-piston calipers
Front Brake Ø310 mm (12.2 inches)
Rear BrakesSingle disc. 2-piston calipers
Rear Brake Ø285 mm (11.2 inches)
Dimensions & Weight
Dry Weight229.0 kg (504.9 pounds)
Power/Weight0.2402 HP/kg
Seat Height720 mm (28.3 inches) If adjustable, lowest setting.
Overall Height1160 mm (45.7 inches)
Overall Length2420 mm (95.3 inches)
Overall Width830 mm (32.7 inches)
Other
StarterElectric
Color OptionsJet Black, Jet Black/Tornado Red, Jet Black/Neon Blue
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.
Weight
Compare weight carefully because it affects low-speed handling, parking and confidence.
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.
