Piaggio MP3 500 (2015) vs Bimota DB2EF (1997) vs BMW R 23 (1938-40) vs Laverda 750 Diamante (1998)
Comparison technical specifications
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| Make: | Piaggio | Bimota | BMW | Laverda |
| Model: | MP3 500 | DB2EF | R 23 | 750 Diamante |
| Years: | 2015 | 1997 | 1938-40 | 1998 |
| Engine: | Four stroke, single cylinder, SOHC, 4 valve Piaggio MASTER, catalysedFour stroke, single cylinder, SOHC, 4 valve Piaggio MASTER, catalysed | Four stroke, 90°“L”twin cylinder, SOHC, desmodromic 2 valve per cylinder | Four stroke, single cylinder, pushrod operated, OHV, 2 valves per cylinder. | Four stroke, parallel twin. DOHC, 4 valve per cylinder. |
| Capacity: | 492.7 cc / 30.0 cub in. | 904 cc / 55.2 cub in | 247 cc / 15.1 cu in. | 747 cc / 45.6 cu-in |
| Bore x Stroke: | 94 x 71 mm | 92 x 68 mm | 68 x 68 mm | 83 X 69 mm |
| Cooling System: | Liquid cooled | Air cooled | Air cooled | Liquid cooled |
| Compression Ratio: | 11.0:1 | 9.2:1 | 6.75:1 | 11.5:1 |
| Induction: | Electronic injection system | 2x 38mm Mikuni carburetors | 1x Bing type AJ 1/22/140 | Twin Weber-Marelli electronic injection |
| Ignition: | Electronic inductive discharge, integrated variable timing | - | Battery ignition | Weber-Marelli electronic |
| Starting: | Electric | Electric | Kick | Electric |
| Max Power: | 29.4 kW / 40.1 hp @ 7250 rpm | 64.1 kW / 86 hp @ 7000 rpm | 8.9 kW / 12 hp @ 5600 rpm | 85 hp / 63.3 kW @ 9200 rpm |
| Transmission: | Twin Cradle: tubes in high tensile steel | 6 Speed | 3 Speed | 6 Speed |
| Final Drive: | Belt | Chain | Shaft | Chain |
| Frame: | Double cradle in high strength steel tubes | Upper lattice work in round section of chrome-molybdenum steel. | Closed steel twin loop frame, welded | Aluminium twin beam |
| Front Suspension: | Parallelogram composed of four aluminium arms supporting two steering tubes cantilevers. | 41mm Paioli telescopic forks | Telescopic fork | Paioli Racing Inverted adjustable preload, rebound & compression damping |
| Rear Suspension: | Dual effect hydraulic shock absorbers and adjustable spring pre-load, | Tubular steal swinging arm Öhlins monoshock | Rigid, spring loaded saddle | Paioli Monoshock adjustable spring preload, rebound & compression damping |
| Rear Brakes: | Single 240 mm disc | Single 230mm disc 2 piston caliper | ∅160mm Drum | Single 245mm disc 2 piston caliper |
| Front Tyre: | Dual 120/70 -12 | 120/70-17 | 3.00 x 19" | 120/60 ZR17 |
| Rear Tyre: | 140/70 -14 | 180/55-17 | 3.00 x 19" | 160/60 ZR17 |