Comparison of Triumph Bonneville 2005 and Triumph Thunderbird 2002

Attribute	Triumph Thunderbird 2002 ×	Triumph Bonneville 2005 ×
General
Production from (year)	2002	2005
Make	Triumph	Triumph
Model	Triumph Thunderbird	Triumph Bonneville
Category	Naked bike	Classic
Engine and transmission
Engine type	In-line three, four-stroke	Twin, four-stroke
Fuel system	Carburettor	Carburettor. Twin carburettors with throttle position sensor and electric carburettor heaters
Displacement (cm³)	885	790
Power (kw)	50.4	45.3
Cooling system	Liquid	Air
Transmission type,final drive	-	Chain
Torque (Nm)	70	62
Bore (mm)	76	86
Stroke (mm)	65	68
Gearbox	6-speed	5-speed
Fuel control	Double Overhead Cams/Twin Cam (DOHC)	Double Overhead Cams/Twin Cam (DOHC)
Ignition	-	Digital - inductive type
Clutch	-	Wet, multi-plate
Compression	10.0:1	9.2:1
Chassis
Front suspension	-	41mm forks
Rear suspension	-	Chromed spring twin shocks with adjustable preload
Front brakes	Single disc	Single disc. 2-piston calipers
Rear brakes	Single disc	Single disc. 2-piston calipers
Diameter (mm)	285	255
Frame type	-	Tubular steel cradle
Front tyre	-	100/90-19
Rear tyre	-	130/80-17
Rake (fork angle) (degree)	-	28
Other
Color options	-	aegean blue (jet black also available with black engine finish) goodwood green jet black
Dimensions
Wheelbase (mm)	1,580	1,500
Dry weight (kg)	220	205
Power/weight ratio	0.2291	0.221
Overall height (mm)	1,150	1,100
Overall length (mm)	2,250	2,230
Overall width (mm)	810	840
Seat height (mm)	776	775
Performance
Fuel capacity (l)	15	-