BMW K 1300 R (2011) vs Kawasaki ZRX 1200S (2004-05) vs Kawasaki GPz 750R Ninja / ZX 750R (1986) vs Kawasaki EN 400 Vulcan (1986-89) vs Gilera RC 125 Rally (1987-89) vs Ducati 48/50 Brio (1963-67) vs Yamaha WR 250R (2010-11)

Comparison technical specifications

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Make:	BMW	Kawasaki	Kawasaki	Kawasaki	Gilera	Ducati	Yamaha
Model:	K 1300 R	ZRX 1200S	GPz 750R Ninja / ZX 750R	EN 400 Vulcan	RC 125 Rally	48/50 Brio	WR 250R
Years:	2011	2004-05	1986	1986-89	1987-89	1963-67	2010-11
Engine:	Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder	Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder.	Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder.	Four stroke parallel twin cylinder. DOHC, 4 valves per cylinder.	Two stroke, single cylinder, reed valve	Two-stroke, single cylinder, piston port	Four stroke, single cylinder, DOHC, 4 valve
Capacity:	1298 cc / 79.2 cu in.	1165 cc / 71.0 cu-in	746 cc / 45.6 cu-in	399 cc / 24.3 cu-in	124 cc / 7.6 cu-in	47.6 cc / 2.9 cu in	249 / 15.2 cub in.
Bore x Stroke:	80 x 64.3 mm / 3.15 x 2.53"	79 x 59.4 mm.	70.0 x 48.6 mm	70 х 51 .Э mm	56 x 50.5 mm	38 x 42 mm	77 x 53.6 mm
Compression Ratio:	13.0:1	10.1:1	10.5:1	10.7:1	13.0;1	7.0:1	11.8:1
Cooling System:	Liquid cooled	Liquid cooled	Liquid cooled	Liquid cooled	Liquid cooled	Fan cooled	Liquid cooled
Induction:	Electronic fuel injection, Digital Motor Electronics with integrated knock control (BMS-K)	4x Keihin CVK36 carburetors	4x 34mm Mikuni carburetors	Keihin carburettor	Dell'Orto premix	Dell'Orto SHA 14/12	Electronic fuel injection
Starting:	Electric	Electric	Electric	Electric	Kick	Kick	Electric
Max Power:	127 kW / 173 hp @ 9250 rpm	122 hp / 88.9 kW @ 8500 rpm	92 hp / 67.2 kW @ 10000 rpm	45 hp / 32.8 kW @ 9000 rpm	24 hp / 18 kW @ 9250 rpm	1.1 kW / 1.5 hp @ 5200 rpm	22.6 kW / 30.3 hp @ 10 000 rpm
Transmission:	6 Speed	5 Speed	6 Speed	6 Speed	6 Speed	Three speed	6 Speed
Final Drive:	Shaft	Chain	Chain	Belt	Chain	Chain	Chain
Front Suspension:	BMW Motorrad Duolever; central spring strut, Paralever; central spring strut with lever system	43 mm fully adjustable, conventional cartridge-type fork, offers 12-way compression and rebound damping adjustment as well as fork spring preload	Air assisted forks, 160mm wheel travel.	Telescopic forks	Telescopic forks	Swinging shackle fork	Telescopic fork
Rear Suspension:	Cast aluminium single swing arm with BMW Motorrad, spring pre-tension with infinite hydraulic adjustment	Fully adjustable rear shock	Single shock swinging arm, 109mm wheel travel.	Dual shocks	Swing arm gas single shock	Swingarm, dual rubber shocks	Swingarm link suspension, mono-shock
Front Brakes:	2 x ∅320mm discs, 4 piston calipers	2x 310mm discs 6 piston calipers	2x 270mm discs	Single disc	Single 240mm disc	Drum, 105 mm	Single 250mm disc
Rear Brakes:	Single ∅265mm disc, 2 piston caliper	Single 250mm disc 2 piston caliper	Single 256mm disc	Drum	Drum	Drum, 105 mm	Single 230mm disc
Dry Weight:	217 kg / 478 lbs	227 kg / 500.4 lbs	228 kg / 502.5 lbs	182.0 kg / 401.2 lbs	115 kg / 253 lbs	63.5 kg / 140 lbs	126 kg / 278 lbs