Suzuki GSX-R 1100 (1992) vs Norton Commander Rotary (1991) vs Ducati 450 Mark 3 (1969-75)
Comparison technical specifications
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| Make: | Suzuki | Norton | Ducati |
| Model: | GSX-R 1100 | Commander Rotary | 450 Mark 3 |
| Years: | 1992 | 1991 | 1969-75 |
| Engine: | Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder | Twin chamber rotary | Four stroke, single cylinder, SOHC, bevel gear driven |
| Capacity: | 1127 cc / 68.8 cub. in. | 588 cc / 35.9 cu in | 435.7 cc / 26.6 cu in |
| Compression Ratio: | 10.0:1 | 9.0:1 | 9.3:1 |
| Cooling System: | Air/Oil cooled with two separate oil pumps | Liquid cooled | Air cooled |
| Induction: | 4 x 40 mm Mikuni Flatslide CV carburetors | 2 x Ø38mm CV SUH14 carburetors | Dell'Orto VHB 29 AD |
| Starting: | Electric | Electric | Kick |
| Max Power: | 105 kW / 143 hp @ 9500 rpm | 63.4 kW / 85 hp @ 9000 rpm | 18.4 kW / 25 hp @ 6500 rpm |
| Transmission: | 5 Speed | 5 Speed | 5 Speed |
| Final Drive: | Chain, 114 links | Chain | Chain |
| Front Suspension: | Kayaba fork, cartridge design that keeps the air and oil separated. 43mm tubes, 8 way adjustable rebound damping, 10-way adjustable compression damping and fully adjustable preload. | Ø38 mm Telescopic forks | 35 mm Marzocchi telescopic fork |
| Rear Suspension: | Full floater 7-way adjustable preload, 19-way damping and compression | Twin Koni with preload adjust | Swingarm, dual Marzocchi shocks, 3-way adjustable |
| Front Brakes: | 2 x 310 mm Discs, four-piston caliper | 2 x Ø265 mm discs | Drum, 180 mm |
| Rear Brakes: | Single 240 mm disc, 2 piston caliper | Single Ø265 mm disc | Drum, 160 mm |
| Front Tyre: | 120/70 ZR17 | 100/90 V18 | 2.75-18 |
| Rear Tyre: | 180/55 ZR17 | 110/90 V18 | 3.00-18 |
| Fuel Capacity: | 21 Litres / 5.5 US gal / 4.6 Imp gal | 23 L / 6.1 US gal | 13 Litres / 3.4 US gal / 2.9 Imp gal |