Ducati 750GT (1974) vs Triumph TR6R 650 Trophy Sport (1968-) vs Ducati 848 (2009)

Comparison technical specifications

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Make:	Ducati	Triumph	Ducati
Model:	750GT	TR6R 650 Trophy Sport	848
Years:	1974	1968-	2009
Engine:	Four stroke, 90°“L”twin cylinder, SOHC, 2 valves per cylinder, bevel gear driven	Four stroke, parallel twin cylinder, OHV	Four stroke, 90°“L”twin cylinder, DOHC, desmodromic 4 valves per cylinder.
Capacity:	748 cc / 45.6 cu-in	649 cc / 40 cu-in	848 cc / 51.7 cu in
Bore x Stroke:	80 x 74.4 mm	71 x 82 mm	94 x 61.2 mm
Compression Ratio:	8.5:1	9.0:1	12.0:1
Induction:	2 x 30mm Amal R 930/76	30 mm Amal concentric carburetor	Marelli electronic fuel injection, elliptical throttle bodies
Cooling System:	Air cooled	Air cooled	Liquid cooled
Ignition:	Points and coil	Battery and coil	Digital CDI
Starting:	Kick	Electric	Electric
Max Power:	41.9 kW / 57 hp @ 7700 rpm	32 kW / 43 hp @ 6500 rpm	98.5 kW / 134 hp @ 10000rpm
Clutch:	Wet, multiplate	Wet, multi-plate, cable operated	Wet multiplate with hydraulic control
Transmission:	5 Speed	4 Speed constant mesh	6 Speed
Final Drive:	Chain	Chain	Chain
Front Suspension:	38 mm Marzocchi fork From 1974: Ceriani fork	Telescopic fork, hydraulic damping	Showa 43mm fully adjustable upside-down fork
Rear Suspension:	Dual shocks, Marzocchi 305 mm, 3-way adjustable	Swingarm, 2 x Girling dampers	Progressive linkage with fully adjustable Showa monoshock. Aluminium single-sided swingarm.
Front Brakes:	Single 280mm disc	8 in Drum	2 x 320mm Disc, Brembo 4 piston calipers
Rear Brakes:	200 mm Drum	7 in Drum	Single 245 mm disc, Brembo 2 piston caliper
Front Tyre:	3.25-19	3.25 x 19	120/70 ZR17
Rear Tyre:	3.50-18	4.00 x 18	180/50 ZR17
Wheelbase:	1530 mm / 60.2 in	1397 mm / 55 in	1430 mm / 56.3 in
Seat Height:	780 mm / 30.7 in	793 mm / 31.2 in	830 mm / 32.6 in
Fuel Capacity:	17 Litres / 4.5 US gal	13.2 Litres / 3.5 US gal	16 Litres / 4.2 US gal / 3.5 Imp gal