BMW R 100RS Mono (1990-93) vs Kawasaki ZX-6R Monster Energy Special Edition (2009) vs Kawasaki Z-X10R Ninja (2004) vs BMW R 1200GS LC (2015) vs Yamaha XZ 550R Vision (1983) vs Ariel Square Four 4G 1000, Mark I, Mark II (1936-48)

Comparison technical specifications

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Make:	BMW	Kawasaki	Kawasaki	BMW	Yamaha	Ariel
Model:	R 100RS Mono	ZX-6R Monster Energy Special Edition	Z-X10R Ninja	R 1200GS LC	XZ 550R Vision	Square Four 4G 1000, Mark I, Mark II
Years:	1990-93	2009	2004	2015	1983	1936-48
Engine:	Four stroke, two cylinder horizontally opposed Boxer, 2 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, two cylinder horizontally opposed Boxer, DOHC, 4 valves per cylinder, Intake 40mm, outlet 34 mm	Four stroke, 70°V-twin cylinder. DOHC, 4 valve per cylinder	Four stroke, vertical square four, OHV, 8 valves
Capacity:	980 cc / 59.8 cub in.	599 cc / 36.6 cub in	998 cc / 60.9 cu-in	1170 cc / 71.4 cub in	552 cc / 33.7 lb-ft	997 cc / 60.8 cu in
Bore x Stroke:	94 x 70.6 mm	67 x 42.5mm	76 x 55 mm	101 x 73 mm	80 х 55 mm	65 x 78 mm
Cooling System:	Air cooled	Liquid cooled	Liquid cooled	Liquid / Air cooled	Liquid cooled	Air cooled
Compression Ratio:	8.45:1	13.3:1	12.7:1	12.5:1	10.4:1	6.0:1
Induction:	2 x Constant depression carburettors, Bing 94/40/105 - 94/40/106	DFI® with four 38mm Keihin throttle bodies, oval sub-throttles, two injectors per throttle body	Digital fuel injection with four 43mm throttle bodies	Throttle valve: 52 mm Carburetion: BMS-X Emission control: Closed-loop 3-way catalytic converter	2x 36mm Mikuni carburetors	SU carburetor
Starting:	Electric	Electric	Electric	Electric	Electric	Kick start
Max Power:	43.8 kW / 59.5 hp @ 6500 rpm	94.1 kW / 128 hp @ 14000 rpm	175 hp / 128.4 kW @ 11700 rpm	92 kW / 125 hp @ 7750 rpm	64 hp / 46.7 kW @ 9500 rpm	F4 G, Mk I: 26 kW / 35 hp @ 5500 rpm Mk II: 34 kW / 45 hp @ 5500 rpm
Transmission:	5 Speed	6 Speed	6 Speed	6 Speed	5 Speed	4-Speed
Front Suspension:	Telescopic fork with hydraulic shock absorber.	41 mm inverted Showa Big Piston Front fork with top-out springs, stepless compression and rebound damping, fully-adjustable spring preload,	43 mm inverted fork with top-out springs Compression damping - 16-way Rebound damping - 16-way Spring preload - Fully adjustable	BMW Motorrad Telelever; stanchion 37 mm, central spring strut	Telescopic oil damped forks	Telescopic fork
Rear Suspension:	Paralever swinging	Bottom-Link Uni-Trak® with gas-charged shock, top-out spring and pillow ball upper mount, dual-range (high/low-speed) stepless compression damping, 25-way adjustable rebound damping, fully-adjustable spring preload	Bottom-Link Uni-Trak with gas-charged shock and top-out spring Compression damping - Stepless Rebound damping - Stepless Spring preload - Fully adjustable	Cast aluminium single-sided swing arm with BMW Motorrad Paralever; WAD strut (travel-related damping), spring preload hydraulically adjustable (continuously variable) at handwheel, rebound damping adjustable at handwheel	Gas filled monoshock, 2-way adjustable.	Plunger-link spring
Front Brakes:	2 x ∅285mm discs, 2 piston calipers	2 x 300mm discs, 4 piston calipers	2x 300mm discs 4 piston calipers	2x 305mm Hydraulically actuated twin disc brake, BMW Motorrad Integral ABS (standard, part intergal, disengageable)	2x 266mm discs	Drum
Rear Brakes:	Simplex "200 mm drum	Single 220mm disc, 1 piston caliper	Single 220 mm disc	Single 275mm disc, 2 piston caliper, BMW Motorrad Integral ABS (standard, part intergal, disengageable)	Single 177mm drum	Drum
Fuel Capacity:	22 Litres / 5.8 US gal	17 Litres / 4.5 US gal	17 Litres / 4.4 US gal	20 Liters / 5.3 US gal	17 Litres / 4.4 US gal	23 L / 6.0 US gal
Top Speed:	188.8 km/h / 117.3 mph	257.8 km/h / 160.2 mph	290.6 km/h / 180.5 ph	215.4 km/h / 133.8 mph	110 mph	4G: 141 km/h / 87 mph Mk I: 145 km/h / 90 mph Mk II: 160 km/h / 100 mph