Ducati 175 Sport (1957-61) vs BMW R 18 Roctane (2023) vs Kawasaki ZL 600 Eliminator (1986-91) vs BMW R 1100RS (1999-00)
Comparison technical specifications
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| Make: | Ducati | BMW | Kawasaki | BMW |
| Model: | 175 Sport | R 18 Roctane | ZL 600 Eliminator | R 1100RS |
| Years: | 1957-61 | 2023 | 1986-91 | 1999-00 |
| 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 |
| 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 |
| Bore x Stroke: | 62 x 57.8 mm | 107.1 X 100 mm | 60 x 52.4 mm | 99 x 70.5 mm |
| Compression Ratio: | 8.5:1 | 9.6:1 | 11.0:1 | 10.7:1 |
| 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 |
| Starting: | Kick | Electric, 1.5 kW | Electric | Electric |
| 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 |
| Transmission: | 4 Speed | Constant-mesh 6-speed | 6 Speed | 5 Speed |
| Final Drive: | Chain, | Shaft, Final Drive 3.091 | Shaft | Shaft |
| 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 |
| 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 |
| Front Brakes: | Drum, full aluminium, 180 mm | 2 X 300mm discs | Single 280mm disc | 2 x ∅305mm discs, 4 piston calipers |
| Rear Brakes: | Drum, full aluminium, 160 mm | Single 300mm disc | Drum | Single ∅276mm disc, 2 piston caliper |
| Front Tyre: | 2.50 -18 CEAT | 120/70 B21 | 100/90-18 | 120/70-17 |
| Rear Tyre: | 2.75 -18 CEAT | 180/55 B18 | 150/80-15 | 160/60-18 |
| Seat Height: | 750 mm / 29.5 in | 720mm / 28.3 in | 715 mm / 28.1 in | 780 mm / 30.7 in |
| 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 |