Kawasaki ER-6f (2009) vs BMW R 1100S (2001-02) vs Honda CB 450 Black Bomber (1965-66) vs BMW G 650 X Country (2009) vs Ducati Monster 1100 (2011) vs Laverda 750SF (1970-71)

Comparison technical specifications

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Make:	Kawasaki	BMW	Honda	BMW	Ducati	Laverda
Model:	ER-6f	R 1100S	CB 450 Black Bomber	G 650 X Country	Monster 1100	750SF
Years:	2009	2001-02	1965-66	2009	2011	1970-71
Engine:	Four stroke, parallel twin, DOHC, 4 valves per cylinder.	Four stroke, two cylinder horizontally opposed Boxer, 4 valves per cylinder	Four stroke, parallel twin cylinder, DOHC, 2 valves per cylinder	Four stroke, single cylinder, DOHC, 4 valves per cylinder	Four stroke, 90° “L” twin cylinder, SOHC, desmodromic 2 valves per cylinder	Four stroke, parallel twin cylinders, SOHC, 2 valve per cylinder
Capacity:	649 cc / 39.6 cu-in	1085 cc / 66.2 cu in	445 cc / 27.1 cu-in	652 cc / 39.8 cub in.	1078 cc / 65.8 cu in	744 cc / 45.4 cu-in
Bore x Stroke:	83 X 60mm	99 x 70.5 mm	70 x 57.8 mm	100 x 83 mm	98 x 71.5 mm	80 x 74 mm
Compression Ratio:	11.3;1	11.3:1	9.0:1	11.5:1	11.3:1	8.9:1
Induction:	2x 38mm Electronic Fuel Injection Keihin	Bosch fuel injection	2x 32mm Keihin carburetors	Fuel induction	Siemens electronic fuel injection, 45mm throttle bodies	2x 29mm Dell'Orto vhb30 carburetors
Ignition:	Digital TCBI	Bosch electronic	Coil with auto-advance, twin contact breaker	Capacitor Discharge Ignition system	Marelli electronic
Starting:	Electric	Electric	Kick	Electric	Electric	Electric
Max Power:	53 kW / 72.1 hp @ 8500 rpm	71.4 kW / 98 hp @ 7500 rpm	45 hp / 32.8 kW @ 9000 rpm	39 kW / 53 hp @ 7000 rpm	69.8 kW / 95 hp @ 7500 rpm	61 hp / 43.7 kW @ 6900 rpm
Transmission:	6 Speed	6 Speed	4 Speed	5 Speed	6 Speed	5 Speed
Final Drive:	Chain	Shaft	Chain	Chain	Chain; front sprocket 15; rear sprocket 39	Chain
Front Suspension:	41 mm telescopic fork,	Motorrad Telelever, stanchion diameter 35mm, central strut, rebound damping adjustable.	Telescopic forks with two-way damping.	∅45mm Upside-down telescopic fork	Showa 43mm fully adjustable upside-down forks	Marzocchi telescopic forks
Rear Suspension:	Offset laydown single-shock with adjustable preload,	Paralever, central strut, spring preload adjustable to continuously variable levels by mean of a hydraulic handwheel, rebound adjustable damping.	Swing arm, shock absorbers with adjustable preload	Aluminum 2-unit cast swing arm, air damping	Progressive with preload and rebound Sachs adjustable monoshock	Swinging arm dual shocks
Front Brakes:	2x 300mm discs 2 piston calipers	2 x 320mm discs, 4 piston calipers	Drum	Single ∅300mm disc, 2 piston calipers	2 x 320 mm Discs, 4 piston radial caliper	2X 230mm Drum
Rear Brakes:	Single 220mm disc 1 piston caliper	Single 276mm disc, 2 piston caliper	Drum	Single ∅265mm disc, 1 piston calipers	Single 245 mm disc, 2 piston caliper	200mm Drum
Front Tyre:	120/70ZR17	120/70-ZR17	3.25-18	100/90-S19	120/70 ZR17	3.50-18
Rear Tyre:	160/60ZR17	160/60-ZR18	3.50-18	130/80-S17	180/55 ZR17	4.00-18
Fuel Capacity:	15.5 Litres / 4.1 US gal	18 Litres / US 4.76 gal	14 Litres / 3.7 US gal	9.5 Litres / 2.5 US gal	15 L / 4.0 US gal / 3.3 Imp gal	19 Litres / 5.0 US gal