Yamaha XT660R (2005) vs Ducati Panigale V4 (2020) vs Indian Chief Blackhawk (2011) vs Triumph Speedmaster Roadster (2011-12)

Comparison technical specifications

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Make:	Yamaha	Ducati	Indian	Triumph
Model:	XT660R	Panigale V4	Chief Blackhawk	Speedmaster Roadster
Years:	2005	2020	2011	2011-12
Engine:	Four stroke, single cylinder, SOHC, 4 valve	Four stroke, Desmosedici Stradale 90° V4, rearward-rotating crankshaft, 4 Desmodromically actuated valves per cylinder	Four stroke, V-twin, 2 valve per cylinder.	Four stroke, parallel twin, DOHC, 4 valves per cylinder
Capacity:	659 cc/ 40.2 cu-in	1103 cc / 67.3 cu in	1720 cc / 105 cu-in	865 cc / 52.8 cu in
Bore x Stroke:	100 x 84 mm	81 x 53.5 mm	3.966 x 4.25 in.	90 x 68 mm
Compression Ratio:	10.0: 1	14.0:1	9.0:1	9.2:1
Cooling System:	Liquid cooled	Liquid cooled	Air cooled	Air cooled
Induction:	Fuel injection, 44 mm throttle body	Electronic fuel injection system. Twin injectors per cylinder. Full ride-by-wire elliptical throttle bodies. Variable length intake system	Closed loop sequential port fuel injection	Multipoint sequential electronic fuel injection with SAI
Starting:	Electric	Electric	-Electric	Electric
Transmission:	5 Speed	6 Speed with Ducati Quick Shift (DQS) up/down EVO	5 Speed	5 Speed
Final Drive:	Chain	Chain, Front sprocket 16, Rear sprocket 41	Belt	Chain, X-ring
Frame:	Steel tubular diamond frame with dual tank rails	Aluminum alloy "Front Frame" with optimized stiffnesses	High tensile steel, monoshock	Tubular steel cradle. Swingarm: twin-sided, tubular steel
Front Suspension:	43 mm Telescopic forks,	Fully adjustable Showa BPF fork. 43 mm chromed inner tubes	41 mm diameter; 108 mm wheel travel	Kayaba 41mm telescopic forks with polished lowers
Rear Suspension:	Oscillating arm standard Monocross. 200mm wheel travel	Fully adjustable Sachs unit. Aluminum single-sided swingarm	Single shock, 73mm wheel travel.	Kayaba chromed spring twin shocks with adjustable preload
Front Brakes:	Single 298mm disc 2 piston caliper	2 x 330 mm semi-floating discs, radially mounted Brembo Monobloc Stylema® (M4.30) 4-piston callipers with Bosch Cornering ABS EVO	Single 292mm disc 2 piston calipers	Single 310 mm disc, 2 piston Nissen floating calipers
Rear Brakes:	Single 245mm disc 1 piston caliper	Single 245 mm disc, 2-piston calliper with Bosch Cornering ABS EVO	Single 292mm disc 1 piston calipers	Single 285 mm disc, 2 piston Nissen floating caliper
Front Tyre:	90/90- 21	120/70 ZR17 Pirelli Diablo Supercorsa SP	130/90-16	100/90-R19
Rear Tyre:	130/80–17	200/60 ZR17 Pirelli Diablo Supercorsa SP	150/90-16	170/80-B15
Trail:	107 mm / 4.2 in	100 mm / 3.9 in	150 mm / 5.9 in	168 mm / 6.6 in
Wheelbase:	1505 mm / 59.3 in	1469 mm / 57.8 in	1737 mm / 68.3 in	1598 mm / 62.9 in
Seat Height:	865mm / 34.1 in	835 mm / 32.9 in	698.5 mm / 27.5 in	690 mm / 27.1 in
Fuel Capacity:	15 Litres / 3.3 US gal	16 Litres / 4.3 US gal	20.8 Litres / 5.5 Gal	19.3 Litres / 5.1 US gal / 4.25 Imp gal