Triumph Thruxton (2009) vs Triumph Speed Triple 675R Carbon Limited Edition (2009) vs Triumph Trident T150 750 (1971) vs Triumph Speedmaster Roadster (2009-10) vs Triumph Bonneville Special Edition (2009) vs Triumph Street Triple 675 (2009) vs Triumph TR 25T Trail Blazer (1971)

Comparison technical specifications

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Make:	Triumph	Triumph	Triumph	Triumph	Triumph	Triumph	Triumph
Model:	Thruxton	Speed Triple 675R Carbon Limited Edition	Trident T150 750	Speedmaster Roadster	Bonneville Special Edition	Street Triple 675	TR 25T Trail Blazer
Years:	2009	2009	1971	2009-10	2009	2009	1971
Engine:	Four stroke, parallel twin cylinder, DOHC, 4 valves per cylinder	Four stroke, in-line 3-cylinder, DOHC, 12 valves	Tansverse three cylinder, pushrod OHV, 2 valves per cylinder	Four stroke, parallel twin, DOHC, 4 valves per cylinder	Four stroke, parallel twin cylinder, DOHC, 4 valves per cylinder	Four stroke, in-line 3-cylinder, DOHC, 12 valve	Four stroke, single cylinder, OHV, 2 valves per cylinder
Capacity:	865 cc / 57.8 cu in	675 cc / 41.19 cu-in	741 cc / 45.2 cu in	865 cc / 52.8 cu in	865 cc / 52.8 cu in	675 cc / 41.19 cu-in	247 cc / 15.1 cu in
Bore x Stroke:	88.9 x 68.6 mm	74 x 52.3 mm	67 x 70.5 mm	90 x 68 mm	90 x 68 mm	74 x 52.3 mm	67 x 70mm
Cooling System:	Air-cooled	Liquid-cooled	Air cooled	Air cooled	Air-cooled	Liquid-cooled	Air cooled
Compression Ratio:	9.9:1	12.65:1	8.3:1	9.2:1	9.2:1	12.65:1	10.0:1
Max Power:	51.5 kW / 69 hp @ 7250 rpm	79 kW / 107 hp @ 11700 rpm	43.8 kW / 60 hp @ 7250 rpm	45.5 kW / 61 hp @ 6800 rpm	49 kW / 66 hp @ 7250 rpm	78 kW / 105 hp @ 11850rpm
Transmission:	5 speed	6 Speed	4 Speed, constant mesh (5-speed optional)	5 Speed	5 Speed	6 Speed	4-Speed
Final Drive:	X-ring chain	O-ring chain	Chain	Chain	Chain, X-ring	O ring chain	Chain
Front Suspension:	41 mm Forks with adjustable preload	41mm Kayaba upside down forks, with adjustable preload, rebound and compression damping,	Telescopic fork, hydraulic	41mm Telescopic forks	41mm Kayaba telescopic forks	41mm Kayaba telescopic upside down forks	Telescopic forks
Rear Suspension:	Chromed spring twin shocks with adjustable preload	Kayaba monoshock with piggy back reservoir, adjustable for preload, rebound and compression damping,	Swingarm, dual shocks	Chromed spring twin shocks with adjustable preload	Kayaba chrome spring twin shocks with adjustable preload	Kayaba monoshock, adjustable preload	Twin Shocks, coil springs
Front Brakes:	Single 320mm floating disc, 2 piston caliper	2 x 308mm Floating discs, Nissin4 piston radial calipers	Conical hub	2 x 310 mm Discs, 2 piston calipers	Single 310 mm disc, 2 piston calipers	2 x 308 mm Discs, Nissin 2 piston sliding calipers	Drum, internal expanding
Rear Brakes:	Single 255mm disc, 2 piston caliper	Single 220 mm disc, 1 piston caliper	8 in TLS drum	Single 285 mm disc, 2 piston caliper	Single 255 mm disc, 2 piston calipers	Single 220 mm disc, 1 piston caliper	Drum, internal expanding
Front Tyre:	100/90 R18	120/80 ZR17	3.25-19, Dunlop K70	110/80-18	100/90 19	120/70 ZR 17	20 in
Rear Tyre:	130/80 R17	180/55 ZR17	4.10-19, Dunlop K70	170/80-15	130/80 17	180/55 ZR 17	18 in
Fuel Capacity:	16 Litres / 4.2 US gal / 3.5 Imp gal	17.4 Litres / 4.6 US gal / 3.8 Imp gal	19 L / 5.0 US gal / 4.2 Imp gal	16.6 Litres / 4.4 US gal / 3.65 Imp gal	16.6 Litres / 4.4 US gal / 3.7 Imp gal	17.4 Litres / 4.6 US gal / 3.8 Imp gal