Norton Classic Rotary (1987) vs Ural Gear Up (2015) vs Triumph Bonneville T100 Multi Chequer (2005) vs Kawasaki KL X400R (2004-05)
Comparison technical specifications
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| Make: | Norton | Ural | Triumph | Kawasaki |
| Model: | Classic Rotary | Gear Up | Bonneville T100 Multi Chequer | KL X400R |
| Years: | 1987 | 2015 | 2005 | 2004-05 |
| Engine: | Twin chamber, rotary | Four stroke, twin flat boxer cylinders, OHV, 2 valve percylinder | Four stroke, parallel twin cylinder, DOHC, 4 valves per cylinder | Four stroke, single cylinder, DOHC, 4 valve |
| Capacity: | 588 cc / 35.9 cu in | 749 cc / 45.7 cub in | 790 cc / 48.2 cu in | 398 cc / 24.3 cu-in |
| Compression Ratio: | 8.6:1 | 8.6:1 | 9.2:1 | 11.3:1 |
| Cooling System: | Air cooled | Air cooled | Air-cooled | Liquid cooled, 50% distilled water & 50% ethylene glycol base antifreeze |
| Starting: | Electric | Electric & kick | Electric | Electric |
| Max Power: | 58.9 kW / 79 hp @ 9000 rpm | 30.6 kW / 41 hp @ 5500 rpm | 45.2 kW / 62 hp @ 7400 rpm | 40 hp / 29.2 kW @ 8500 rpm |
| Clutch: | 18-Plate | Dry, double disc | Wet, multi-plate | Wet, multi-disc, manual |
| Transmission: | 5 Speed | 4 speed with reverse | 5 speed | 6 Speed |
| Final Drive: | Chain | Shaft | Chain | Chain, 520, O-ring, 14-tooth front, 50-tooth rear |
| Front Suspension: | Ø38 mm Telescopic forks | IMZ leading fork | 41mm Telescopic forks | Telescopic, oil-damped, 11-way compression damping, adjustable spring preload |
| Rear Suspension: | Twin Girling gas units, 3-way preload, Koni | Double sided swing-arm with two Sachs hydraulic spring shock absorbers, 5x adjustable Sidecar: Single sided swing-arm with Sachs hydraulic spring shock absorber, 5x adjustable | Chrome spring twin shocks with adjustable preload | Link-type, fully adjustable spring preload, 26-way compression damping |
| Front Brakes: | 2 x Ø265 mm discs | 295mm floating NG disc, Brembo 4-piston fixed caliper | Single 310 mm disc, 2 piston caliper | Single 250mm disc 2 piston caliper |
| Rear Brakes: | Single Ø265 mm disc | 256mm fixed NG rotodisc, HB big bore single piston floating caliper Sidecar: 245mm floating NG disc, Brembo 2-piston fixed caliper | Single 255 mm disc, 2 piston caliper | Single 220mm disc 1 piston caliper |
| Dry-Weight: | 235 kg / 518 lbs | 331 kg / 730 lbs | 205 kg / 451 lbs | 119 kg / 262 lbs |
| Fuel Capacity: | 23 L / 6.1 US gal | 18.9 L / 5.0 US gal | 16 Litres / 4.2 US gal / 3.5 Imp gal | 10 Litres / 2.6 US gal |