Ducati 175 Sport (1957-61) vs BMW R 18 Roctane (2023) vs Kawasaki ZL 600 Eliminator (1986-91) vs BMW R 1100RS (1999-00) vs Kawasaki GPz 600R Ninja / ZX 600R Ninja (1989-90) vs BMW R 62 (1928-29)

Comparison technical specifications

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Make:	Ducati	BMW	Kawasaki	BMW	Kawasaki	BMW
Model:	175 Sport	R 18 Roctane	ZL 600 Eliminator	R 1100RS	GPz 600R Ninja / ZX 600R Ninja	R 62
Years:	1957-61	2023	1986-91	1999-00	1989-90	1928-29
Engine:	Four stroke, single cylinder, SOHC, shaft and bevel gear driven 2 valve per cylinder	Four stroke, two cylinder horizontally opposed Boxer, Pushrod-actuated OHV with two camshafts, 4 valves per cylinder	Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder.	Four stroke, two cylinder horizontally opposed Boxer, 4 valves per cylinder	Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder	Four stroke, two cylinder horizontally opposed Boxer, pushrod operated 2 valves per cylinder.
Capacity:	175.4 cc / 10.7 cu in	1802 cc / 110 cu-in	592 cc / 36.1 cu-in	1085 cc / 66.2 cu in	592 cc / 36.1 cu-in	745 cc / 45.5 cu in.
Bore x Stroke:	62 x 57.8 mm	107.1 X 100 mm	60 x 52.4 mm	99 x 70.5 mm	60 х 52.4 mm	78 x 78 mm
Compression Ratio:	8.5:1	9.6:1	11.0:1	10.7:1	11.0:1	5.5:1
Induction:	1957 - 59: Dell'Orto MB22.5B carburetor 1960 - 61: Dell'Orto MB22B / UBF24BS carburetor	Fuel injection, 48 mm Throttle valves	4x 30mm Keihin CV	Fuel injection	4x 32mm Keihin CVK carburetors	1 x Spezial 2 valve ∅24 mm carburetor
Starting:	Kick	Electric, 1.5 kW	Electric	Electric	Electric	Kick
Max Power:	10.4 kW / 14 hp @ 8000 rpm	67 kW / 91 hp @ 4750 rpm	74 hp / 54 kW @ 10500 rpm	67.1 kW / 90 hp @ 7250 rpm	75 hp / 54.7 kW @ 10500 rpm	13.4 kW / 18 hp @ 3400 rpm
Front Suspension:	Hydraulic telescopic fork, Mazocchi	49 mm Telescopic fork, Non-adjustable	37mm Kayaba air assisted forks	Telelever with central spring strut & linear-rate coil spring. Twin-tube gas-filled shock	37mm Air assisted forks, AVDS adjustable anti-dive	Plate spring, 6 laminae
Rear Suspension:	Swingarm, dual shocks, 3-way adjustable	Cantilevered spring-preload adjustable shock	Dual shocks adjustable for rebound and preload damping	Paralever swingarm & shaft drive, single-tube gas-filled shock, variable rebound setting	Single air assisted shock adjustable for rebound damping	Rigid, spring loaded saddle
Front Brakes:	Drum, full aluminium, 180 mm	2 X 300mm discs	Single 280mm disc	2 x ∅305mm discs, 4 piston calipers	2x discs 1 piston calipers	∅200mm Drum
Rear Brakes:	Drum, full aluminium, 160 mm	Single 300mm disc	Drum	Single ∅276mm disc, 2 piston caliper	Single disc 1 piston caliper	External shoe brake at the gearing on Cardan shaft
Front Tyre:	2.50 -18 CEAT	120/70 B21	100/90-18	120/70-17	110/90-16	26 x 3.5" or 19 x 3.0" or 27 x 2.75" or 21 x 2.5"
Rear Tyre:	2.75 -18 CEAT	180/55 B18	150/80-15	160/60-18	130/90-16	26 x 3.5" or 19 x 3.0" or 27 x 2.75" or 21 x 2.5"
Fuel Capacity:	17 L / 4.5 US gal / 3.7 Imp gal	16 Litres / 4.2 US gal	12 Litres / 3.1 US gal	22 Litres / US 5.8 gal	18 Litres / 4.7 US gal	12.5 liters / 3.3 US gal