Triumph Speed Triple 955i (2003-04)

The 2003-04 Triumph Speed Triple 955i is a powerful motorcycle with a four-stroke, transverse three-cylinder engine that has a capacity of 955 cc. It has a high compression ratio of 12.0:1 and runs on liquid cooling with multipoint sequential electronic fuel injection. The motorcycle has a six-speed transmission and a chain-driven final drive. It has a lightweight frame made of aluminum and a suspension system that includes 45 mm front forks with dual rate springs and a monoshock at the rear. The front brakes are dual discs with four-piston calipers, while the rear brake is a single disc with a two-piston caliper. The motorcycle has alloy three-spoke wheels, with sizes of 17 x 3.5 inches in the front and 17 x 6.0 inches in the rear, and its tires are 120/70 ZR17 in the front and 190/50-ZR17 in the rear. The motorcycle boasts a maximum power of 89.5 kW/120 hp at 9100 rpm and a maximum torque of 100 Nm/10.2 kg-m/73.8 lb-ft at 5100 rpm. It has a top speed of 242 km/h/150 mph and can complete a standing quarter-mile in 11.4 seconds reaching a speed of 194 km/h/121 mph. The Triumph Speed Triple 955i has a fuel capacity of 21 liters/5.5 US gal and weighs 189 kg/416.7 lbs. The motorcycle is known for its power and agility and is well-regarded by enthusiasts.


Technical specifications:

Make Model: Triumph Speed Triple 955i

Year: 2003 – 04


Engine: Four stroke, transverse three cylinder. DOHC, 4 valves per cylinder
Capacity: 955 cc / 58.3 cu in
Bore x Stroke: 79 x 65 mm
Compression Ratio: 12.0:1
Cooling System: Liquid cooled
Induction: Multipoint sequential electronic fuel injection
Lubrication: Wet sump
Engine Oil: Synthetic, 15W/40
Ignition: Digital inductive via electronic engine management
Spark Plug: NGK, DPR8EA-9
Electric: Electric
Max Power: 89.5 kW / 120 hp @ 9100 rpm
Max Torque: 100 Nm / 10.2 kg-m / 73.8 lb-ft @ 5100 rpm
Transmission: 6 Speed
Final Drive: Chain

Frame: Aluminium, trellis frame
Front Suspension: 45 mm Forks with dual rate springs and adjustable preload, compression and rebound damping
Rear Suspension: Monoshock with adjustable preload, compression and rebound damping
Front Brakes: 2 x 320 mm Discs. 4 piston calipers
Rear Brakes: Single 220 mm disc, 2 piston caliper
Wheels Front: Alloy 3-spoke, 17 x 3.5 in
Wheels Rear: Alloy 3-spoke, 17 x 6.0 in
Front Tyre: 120/70 ZR17
Rear Tyre: 190/50-ZR17
Rake: 23.5o
Trail: 84 mm / 3.3 in
Dimensions: Length 2115 mm / 83.3 in Width 790 mm / 31.1 in Height 1250 mm / 49.2 in
Wheelbase: 1429 mm / 56.3 in
Seat Height: 1815 mm / 32.1 in
Dry Weight: 189 kg / 416.7lbs
Fuel Capacity: 21 Litres / 5.5 US gal 4.6 Imp gal
Standing 1/4 Mile: 11.4 sec / 194 km/h / 121 mph
Top Speed: 242 km/h / 150 mph
Review: Motorcycle-USA

Related models: