Key performance
Technical specifications
- Displacement
- 865 cc → 1200 cc
- Power
- 61.7 ch @ 6800 tr/min (45.0 kW) → 77.0 ch @ 6100 tr/min (56.2 kW)
- Torque
- 74.0 Nm @ 3300 tr/min → 106.0 Nm @ 4000 tr/min
- Cooling
- Air → Liquid
- Compression ratio
- 9.2:1 → 10.0:1
- Bore × stroke
- 90.0 x 68.0 mm (3.5 x 2.7 inches) → 97.6 x 80.0 mm (3.8 x 3.1 inches)
- Valves/cylinder
- — → 4
- Fuel system
- Injection. Multipoint sequential electonic fuel injection → Injection. Multipoint sequential electronic fuel injection
- Valve timing
- Double Overhead Cams/Twin Cam (DOHC) → Single Overhead Cams (SOHC)
- Frame
- Tubular steel cradle → Tubular steel, twin cradle
- Gearbox
- 5-speed → 6-speed
- Clutch
- Wet. multi-plate → Wet, multi-plate, assist clutch
- Front suspension
- 41mm forks. 130mm travel → 47 mm Showa cartridge forks
- Rear suspension
- Chromed spring twin shocks with adjustable preload. 96mm rear wheel travel → Mono-shock RSU with linkage and preload adjustment
- Front wheel travel
- — → 90 mm (3.5 inches)
- Rear wheel travel
- — → 73 mm (2.9 inches)
- Front brakes
- Double disc → Double disc. ABS. Brembo 2-piston floating caliper
- Rear brakes
- Single disc → Single disc. ABS. Nissin 2-piston floating caliper
- Front tyre
- 110/80-18 → 130/90-B16
- Rear tyre
- 170/80-15 → 150/80-R16
- Seat height
- 720.00 mm → 705.00 mm
- Wheelbase
- 1655.00 mm → 1500.00 mm
- Ground clearance
- — → 91.00 mm
- Length
- 2420.00 mm → —
- Width
- 830.00 mm → 770.00 mm
- Height
- 1160.00 mm → 1055.00 mm
- Fuel capacity
- 19.30 L → 12.00 L
- Weight
- — → 263.10 kg
- Dry weight
- 229.00 kg → —
Engine
- Displacement
- 1200 cc
- Power
- 77.0 ch @ 6100 tr/min (56.2 kW)
- Torque
- 106.0 Nm @ 4000 tr/min
- Engine type
- Twin, four-stroke
- Cooling
- Liquid
- Compression ratio
- 10.0:1
- Bore × stroke
- 97.6 x 80.0 mm (3.8 x 3.1 inches)
- Valves/cylinder
- 4
- Fuel system
- Injection. Multipoint sequential electronic fuel injection
- Valve timing
- Single Overhead Cams (SOHC)
- Starter
- Electric
Chassis
- Frame
- Tubular steel, twin cradle
- Gearbox
- 6-speed
- Final drive
- Chain (final drive)
- Clutch
- Wet, multi-plate, assist clutch
- Front suspension
- 47 mm Showa cartridge forks
- Rear suspension
- Mono-shock RSU with linkage and preload adjustment
- Front wheel travel
- 90 mm (3.5 inches)
- Rear wheel travel
- 73 mm (2.9 inches)
Brakes
- Front brakes
- Double disc. ABS. Brembo 2-piston floating caliper
- Rear brakes
- Single disc. ABS. Nissin 2-piston floating caliper
- Front tyre
- 130/90-B16
- Rear tyre
- 150/80-R16
Dimensions
- Seat height
- 705.00 mm
- Wheelbase
- 1500.00 mm
- Ground clearance
- 91.00 mm
- Width
- 770.00 mm
- Height
- 1055.00 mm
- Fuel capacity
- 12.00 L
- Weight
- 263.10 kg
Overview
It’s 2004, and Triumph, freshly returned from the dead, seeks to seduce America without betraying its British soul. The Speedmaster of that era is a bit of this bold response: take the Bonneville base, inject a dose of custom style, but maintaining a temperament that packs a bit more punch 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 cc parallel-twin engine, 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 a surprising liveliness.
But where does this Triumph Speedmaster really stand? It makes a grand leap. On one side, the riding position, with its feet forward and wide handlebar, shouts leisurely cruising. On the other, the handling is frankly serious for a custom, and the front brakes with double 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 which offers 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 historical machine, much more interesting and lively than its specifications would suggest.
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