Ducati 900 SS (1978) vs Yamaha V-Max (2012) vs Ducati 500 Desmo (1978-79) vs Laverda Jota 1000 (1981-) vs Ducati 999 (2003) vs Triumph Speedmaster Roadster (2007-08) vs MV Agusta 500SS (1976) vs Ducati 848 (2008)

Comparison technical specifications

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Make:	Ducati	Yamaha	Ducati	Laverda	Ducati	Triumph	MV Agusta	Ducati
Model:	900 SS	V-Max	500 Desmo	Jota 1000	999	Speedmaster Roadster	500SS	848
Years:	1978	2012	1978-79	1981-	2003	2007-08	1976	2008
Engine:	Four stroke, 90°“L”twin cylinder, SOHC, 2 valves per cylinder, bevel gear driven	Four stroke, V-four, DOHC, 4 valve per cylinder.	Four stroke, parallel twin cylinder, SOHC, chain driven, 2 valve per cylinder	Four stroke, transverse three cylinder, DOHC, 2 valve per cylinder.	Four stroke, 90° “L” twin cylinder, DOHC, desmodromic 4 valves per cylinder, belt driven	Four stroke, parallel twin, DOHC, 4 valves per cylinder	Four stroke, parallel twin OHV, 2 valve per cylinder	Four stroke, 90°“L”twin cylinder, DOHC, desmodromic 4 valves per cylinder.
Capacity:	864 cc / 52.7 cu in	1679 cc / 102.4 cu-in	496.9 cc / 30.2 cu in	981 cc / 59.8 cu-in	998 cc / 60.9 cu in	865 cc / 52.8 cu in	495 cc / 30.2 cu-in	848 cc / 51.7 cu in
Bore x Stroke:	86 x 74.4 mm	90 x 66 mm	78 x 52 mm	75 x 74 mm	100 x 63.5 mm	90 x 68 mm	75.0 x 56.0 mm	94 x 61.2 mm
Compression Ratio:	9.5:1	11.3:1	9.6:1	8.8:1	11.4:1	9.2:1	9.5:1	12.0:1
Cooling System:	Air cooled	Liquid cooled	Air cooled	Air cooled	Liquid cooled	Air cooled	Air cooled	Liquid cooled
Induction:	2 x Dell'Orto PHM 40 A, B or C carburetors	Mikuni 48mm fuel injection	Dell'Orto PHF30BS/BD	3x 32mm Dell'Orto carbs	Weber Marelli electronic fuel injection, 54 mm throttle body	2 x Carburetors with throttle position sensor and electric carburetor heaters	Carburetor	Marelli electronic fuel injection, elliptical throttle bodies
Ignition:	Electronic	TCI	Points and coil	Borsch electronic	Marelli electronic	Digital inductive type	Electronic	Digital CDI
Starting:	Kick (electric as an option)	Electric	Electric	Electric	Electric	Eectric		Electric
Max Power:	49.2 kW / 67 hp @ 7500 rpm	147.2 kW / 200 hp @ 9000 rpm	36.8 kW / 50 hp @ 8500 rpm	97 hp / 70.7 kW @ 7800 rpm	90.4 kW / 124 hp @ 9500 rpm	40.3 kW / 54 hp @ 6750 rpm	52.6 hp / 38.7 kW @ 8900 rpm	98.5 kW / 134 hp @ 10000rpm
Transmission:	5 Speed	5 Speed with slipper clutch	5 Speed	5 Speed	6 Speed	5 Speed	5 Speed	6 Speed
Final Drive:	Chain	Shaft	Chain	Chain	Chain	Chain	Chain	Chain
Front Suspension:	38 mm Marzocchi fork	52mm Telescopic forks	35 mm Paioli telescopic fork	Coils springs	Showa 43mm upside-down fully adjustable fork with TiN surface treatment	41mm Telescopic forks	Telescopic forks	Showa 43mm fully adjustable upside-down fork
Rear Suspension:	Marzocchi 310 mm dual shocks, 3-way adjustable	Swingarm Link-type suspension	Swing arm, 2 x Marzocchi shocks, 3-way adjustable	Dual shock absorbers, 5-way adjustable coil springs	Progressive linkage with fully adjustable Showa monoshock	Chromed spring twin shocks with adjustable preload	Dual shock	Progressive linkage with fully adjustable Showa monoshock. Aluminium single-sided swingarm.
Front Brakes:	2 x 280mm Disc, 1 piston caliper	2x 320mm discs	2 x 256 mm Brembo discs	2x 280mm discs 2 piston calipers	2 x 320 mm Discs, 4 piston calipers	2 x 310 mm Discs, 2 piston calipers	2x discs	2 x 320mm Disc, Brembo 4 piston calipers
Rear Brakes:	Single 229 mm disc	Single 280mm disc	Single 260 mm Brembo disc	Single 280mm disc 1 piston caliper	Single 245mm disc, 2 piston caliper	Single 285 mm disc, 2 piston caliper	Single disc	Single 245 mm disc, Brembo 2 piston caliper
Fuel Capacity:	20 L / 5.3 US gal / 4.4 Imp gal	15 Litres / 4.0 US gal	14 L / 3.7 US gal / 3.1 Imp gal	20 Litres / 5.4 US gal	15.5 Litres / 4.1 US gal / 3.4 Imp gal	16.6 Litres / 4.4 US gal / 3.65 Imp gal	17 Litres / 4.4 US gal	16 Litres / 4.2 US gal / 3.5 Imp gal