Key performance
Technical specifications
- Displacement
- 1200 cc → 865 cc
- Power
- 77.0 ch @ 6100 tr/min (56.2 kW) → 60.0 ch @ 6800 tr/min (43.8 kW)
- Torque
- 106.0 Nm @ 4000 tr/min → 71.9 Nm @ 3300 tr/min
- Cooling
- Liquid → Air
- Compression ratio
- 10.0:1 → 9.2:1
- Bore × stroke
- 97.6 x 80.0 mm (3.8 x 3.1 inches) → 90.0 x 68.0 mm (3.5 x 2.7 inches)
- Valves/cylinder
- 4 → —
- Fuel system
- Injection. Multipoint sequential electronic fuel injection → Injection. Multipoint sequential electonic fuel injection with SAI
- Valve timing
- Single Overhead Cams (SOHC) → Double Overhead Cams/Twin Cam (DOHC)
- Ignition
- — → Digital-inductive type via engine management system
- Frame
- Tubular steel, twin cradle. Twin sided fabrication swing arm. → Tubular steel cradle
- Gearbox
- 6-speed → 5-speed
- Clutch
- Wet, multi-plate torque assist → Wet. multi-plate
- Front suspension
- 47 mm Showa cartridge forks → Kayaba 41mm forks with polished lowers. 120mm travel
- Rear suspension
- Mono-shock RSU with linkage and preload adjustment → Kayaba chromed spring twin shocks with adjustable preload. 96mm rear wheel travel
- Front wheel travel
- 90 mm (3.5 inches) → —
- Rear wheel travel
- 73 mm (2.9 inches) → —
- Front brakes
- Double disc. ABS. Brembo 2-piston floating caliper → Double disc
- Rear brakes
- Single disc. ABS. Nissin 2-piston floating caliper → Single disc
- Front tyre
- 130/90-B16 → 100/90-R19
- Rear tyre
- 150/80-R16 → 170/80-B15
- Seat height
- 705.00 mm → 688.00 mm
- Wheelbase
- 1500.00 mm → 1598.00 mm
- Ground clearance
- 91.00 mm → —
- Length
- — → 2365.00 mm
- Width
- 910.00 mm → 831.00 mm
- Height
- 1055.00 mm → 1168.00 mm
- Fuel capacity
- 12.00 L → 19.30 L
- Weight
- 263.10 kg → 249.50 kg
Engine
- Displacement
- 865 cc
- Power
- 60.0 ch @ 6800 tr/min (43.8 kW)
- Torque
- 71.9 Nm @ 3300 tr/min
- Engine type
- Twin, four-stroke
- Cooling
- Air
- Compression ratio
- 9.2:1
- Bore × stroke
- 90.0 x 68.0 mm (3.5 x 2.7 inches)
- Fuel system
- Injection. Multipoint sequential electonic fuel injection with SAI
- Valve timing
- Double Overhead Cams/Twin Cam (DOHC)
- Ignition
- Digital-inductive type via engine management system
- Starter
- Electric
Chassis
- Frame
- Tubular steel cradle
- Gearbox
- 5-speed
- Final drive
- Chain (final drive)
- Clutch
- Wet. multi-plate
- Front suspension
- Kayaba 41mm forks with polished lowers. 120mm travel
- Rear suspension
- Kayaba chromed spring twin shocks with adjustable preload. 96mm rear wheel travel
Brakes
- Front brakes
- Double disc
- Rear brakes
- Single disc
- Front tyre
- 100/90-R19
- Rear tyre
- 170/80-B15
Dimensions
- Seat height
- 688.00 mm
- Wheelbase
- 1598.00 mm
- Length
- 2365.00 mm
- Width
- 831.00 mm
- Height
- 1168.00 mm
- Fuel capacity
- 19.30 L
- Weight
- 249.50 kg
Overview
It’s 2004, and Triumph, freshly risen from the ashes, seeks to seduce America without betraying its British soul. The Speedmaster of the era is a bit of this bold response: take the Bonneville base, inject a dose of custom style, but maintaining a temperament that’s a bit more impactful than the America. The result? A machine that plays on two fronts with more conviction than one might have thought.

Under the 16.6-liter tank, the 790 cm³ parallel-twin, offset at 270 degrees, is the heart of the beast. It delivers only 62 horsepower, a modest power figure today, but it’s its early torque of 60 Nm at 3500 rpm that makes all the difference. It vibrates, it growls, it gives a lively sensation that today’s more aseptic engines have sometimes lost. This engine, coupled with a five-speed gearbox with shortened ratios, gives this 245 kg custom surprising agility.
But where does this Triumph Speedmaster really stand? It makes a grand gesture. On one side, the riding position, with its feet forward and wide handlebar, screams leisurely cruising. On the other, the handling is frankly serious for a custom, and the front brakes with dual discs inspire confidence. The Achilles' heel? The suspension, especially at the rear, which tends to be dry and harshly reminds you of the road’s imperfections. The limited ground clearance also quickly tempers enthusiasm in corners. It's a sporty cruiser that invites you to play, but quickly brings you back in line.

Who rides this machine? For those seeking authentic custom style, without the bulk and lack of reactivity of large American displacement engines. It’s an ideal gateway into the world of customs, easy to live with thanks to its low 720 mm seat, but offering more sensations than a simple wheelchair. Today, finding a Triumph Speedmaster used from this generation is a treasure hunt for lovers of modern classics. It also foreshadows the evolutions towards the 865, then the Speedmaster 900 and 1200 models currently available, which are more accomplished but also more aseptic.

In conclusion, this 2004 Speedmaster is not a perfect motorcycle. It is a compromise, sometimes rough, between relaxed aesthetics and a frustrated sporty temperament. But it is precisely this ambiguous character, this mechanical authenticity, that gives it its charm today. A test ride on a Triumph Speedmaster from this era will convince you that you can smile without needing 100 horsepower, simply with an engine that speaks and a style that doesn't go unnoticed. For a Triumph Speedmaster review, mine is clear: it's a historic machine, much more interesting and lively than its technical specifications suggest.
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