Sunbeam Model 6 "Lion" (1921-37) vs Aprilia Tuono V4 1100 RR (2019-20)
Comparison technical specifications
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| Make: | Sunbeam | Aprilia |
| Model: | Model 6 "Lion" | Tuono V4 1100 RR |
| Years: | 1921-37 | 2019-20 |
| Engine: | Single cylinder, side valve | Four stroke, longitudinal 65° V4 cylinder, DOHC, 4 valves per cylinder |
| Capacity: | 492 cc / 30.0 cu in | 1077 cc / 65.7 cu in |
| Bore x Stroke: | 77 x 105.5 mm | 81 x 52.3 mm |
| Cooling System: | Air cooled | Liquid cooled |
| Exhaust: | Single | 4 into 2 into 1 layout, single oxygen sensor, lateral single silencer with ECU-controlled bypass valve and integrated trivalent catalytic converter. |
| Starting: | Kick | Electric |
| Transmission: | 3-Speed wide ratio | 6 Speed, cassette type gearbox |
| Final Drive: | Chain | Chain |
| Frame: | Single downtube cradle | Aluminium dual beam chassis with pressed and cast sheet elements. Smart EC 2.0 electronically managed Sachs steering damper |
| Front Suspension: | Druid forks | Upside-down "one by one" Sachs fork, Ø43 mm stanchions. Forged aluminium radial calliper mounting bracket. Completely adjustable spring preload and hydraulic compression and rebound damping |
| Rear Suspension: | Rigid, spring loaded saddle | Sachs monoshock absorber with piggy-back, fully adjustable in: spring preload, hydraulic compression and rebound damping. APS progressive linkages. |
| Front Brakes: | Drum | 2x 330 mm floating stainless steel disc with lightweight stainless steel rotor with 6 pins. Brembo M50 monobloc radial callipers with 4 Ø30mm opposing pistons. Sintered pads. Radial pump and metal braided brake lines. |
| Rear Brakes: | Drum | Single 220 mm disc, Brembo floating calliper with two Ø32 mm separate pistons. Sintered pads. Master cylinder with built in reservoir and metal braided hose, Bosch 9.1 MP ABS with cornering function, adjustable on 3 maps, featuring RLM strategy and can be disengaged |
| Wheels: | Steel, laced wire spokes | Cast aluminium wheels with 3 split spoke design. |
| Dimensions: | Length: 2083 mm / 82" Width 813 mm / 32" | Length 2070 mm / 81.5 in Width 810 mm / 31.8 in |
| Wheelbase: | 1359 mm / 53.5" | 1450 mm / 57 in |
| Fuel Capacity: | 11.4 L / 2.5 Imp gal / 3.0 US gal | 18.5 Litres / 4.9 US gal |