BMW HP2 Megamoto (2006-07) vs Piaggio MP3 500 Sport (2010-11) vs BMW R 80GS (1990-91)
Comparison technical specifications
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| Make: | BMW | Piaggio | BMW |
| Model: | HP2 Megamoto | MP3 500 Sport | R 80GS |
| Years: | 2006-07 | 2010-11 | 1990-91 |
| Engine: | Four stroke, two cylinder horizontally opposed Boxer, 4 Valves per cylinder | Four stroke, single cylinder, SOHC, 4 valve Piaggio MASTER, catalysed | Four stroke, two cylinder horizontally opposed Boxer, pushrod operated 2 valves per cylinder |
| Capacity: | 1170 cc / 71.5 cub. in. | 492 cc / 30 cub in. | 797.5 cc / 48.7 cu in. |
| Bore x Stroke: | 101 x 73 mm | 71 x 94mm | 84.8 x 70.6 mm |
| Compression Ratio: | 11.0:1 | 11.0:1 | 8.2:1 |
| Cooling System: | Oil/air cooled | Liquid cooled | Air cooled |
| Ignition: | BMS-K | Electronic inductive discharge, integrated variable timing | Battery ignition |
| Starting: | Electric | Electric | Electric |
| Max Power: | 77 kW / 105 hp @ 7000 rpm | 29.8 kW / 40 hp @ 7250 rpm | 37 kW / 50 hp @ 6500 rpm |
| Transmission: | 6 Speed | CVT, Twist and go | 5 Speed |
| Frame: | Steel tubular spaceframe, non-load-bearing engine | Twin Cradle: tubes in high tensile steel | Double loop tubular frame with bolt on rear section |
| Front Suspension: | 45mm Upside-down front fork, compression damping and rebound damping adjustable | Parallelogram composed of four aluminium arms supporting two steering tubes cantilevers. | ∅40mm Marzocchi telescopic hydraulic forks. |
| Rear Suspension: | Cast aluminium single-sided swing arm with BMW Motorrad Paralever; Öhlins-central spring strut, spring pre-load adjustable to continuously variable levels, rebound damping and compression damping adjustable | Two dual effect hydraulic shock absorbers and adjustable spring pre-load, | BMW Paralever swinging arm |
| Front Brakes: | 2 x ∅304mm discs, 4 piston calipers | 2 x 240mm discs, 2 piston caliper | Single ∅285mm disc |
| Rear Brakes: | Single ∅265mm disc, 2 piston caliper | Single 240 mm disc, 2 piston caliper | ∅200mm Drum |
| Front Tyre: | 120/70 ZR17 | 2x 120/70 -12 | 90/90 x 21S |
| Rear Tyre: | 150/70 ZR17 | 130/70 -14 | 13/80 x 17S |
| Seat Height: | 890 mm / 35 in. | 790 mm / 30.9 in | 850 mm / 33.5 in |
| Fuel Capacity: | 13 Liters / 3.4 US gal. | 12 Litres / 3.2 gals | 24 L / 6.3 US gal |