Comparison of Triumph Speed Four 2003 and Triumph Street Triple R 2009

Attribute	Triumph Speed Four 2003 ×	Triumph Street Triple R 2009 ×
General
Production from (year)	2003	2009
Make	Triumph	Triumph
Model	Triumph Speed Four	Triumph Street Triple R
Category	Naked bike	Naked bike
Engine and transmission
Engine type	In-line four, four-stroke	In-line three, four-stroke
Valves per cylinder	-	4
Fuel system	Injection	Injection. Multipoint sequential electronic fuel injection
Displacement (cm³)	599	675
Power (kw)	71.5	77.3
Cooling system	Liquid	Liquid
Transmission type,final drive	Chain	Chain
Torque (Nm)	68	69
Bore (mm)	68	74
Stroke (mm)	41.3	52.3
Gearbox	6-speed	6-speed
Fuel control	Double Overhead Cams/Twin Cam (DOHC)	Double Overhead Cams/Twin Cam (DOHC)
Clutch	-	Wet. multi-plate
Compression	12.5:1	12.0:1
Chassis
Front suspension	-	41mm upside down forks. 120mm travel. Fully adjustable for compression and rebound damping and preload.
Rear suspension	-	Monoshock with piggyback reservoir. 130mm travel. Fully adjustable for compression and rebound damping and preload.
Front brakes	Double disc	Double disc
Rear brakes	Single disc	Single disc
Diameter (mm)	220	220
Frame type	-	Aluminium beam twin spar
Front tyre	120/70-ZR17	120/70-ZR17
Rear tyre	180/55-ZR17	180/55-ZR17
Rake (fork angle) (degree)	-	23.9
Other
^1↑Starter	-	Electric
Color options	-	matt graphite. matt blazing orange
Dimensions
Wheelbase (mm)	1,395	1,390
Dry weight (kg)	170	167
Power/weight ratio	0.4206	0.4629
Overall height (mm)	1,150	1,250
Overall length (mm)	2,060	2,030
Overall width (mm)	690	731
Seat height (mm)	810	805
Performance
Fuel capacity (l)	18	17.4