BMW R 1100S (2003-04) vs Bultago Bultaco Alpina 250 (1971-79) vs Suzuki GS 425 (1978) vs MV Agusta F3 675 Japan Edition (2013)
Comparison technical specifications
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| Make: | BMW | Bultago | Suzuki | MV Agusta |
| Model: | R 1100S | Bultaco Alpina 250 | GS 425 | F3 675 Japan Edition |
| Years: | 2003-04 | 1971-79 | 1978 | 2013 |
| Engine: | Four stroke, two cylinder horizontally opposed Boxer, 4 valves per cylinder | Four stroke, parallel twin cylinder, DOHC, 2 valves per cylinder. | Four stroke, transverse three cylinder. DOHC, 4 Valve per cylinder, | |
| Capacity: | 1085 cc / 66.2 cu in | 423 cc / 25.8 cu in | 675 cc / 41.1 cu-in | |
| Bore x Stroke: | 99 x 70.5 mm | 67 x 60 mm | 79 x 45.9 mm | |
| Compression Ratio: | 11.3:1 | 9.1:1 | 13.0:1 | |
| Induction: | Bosch fuel injection | 2 x 34 mm Mikuni carburetors | Integrated ignition - injection system with six injectors Engine control unit Eldor EM2.0, throttle body full drive by wire Mikuni, pencil-coil with ion-sensing technology, control of detonation and misfire Torque control with four maps, Traction Control with eight levels of intervention | |
| Starting: | Electric | Kick | Electric and kick | Electric |
| Max Power: | 71.4 kW / 98 hp @ 7500 rpm | 29.8 kW / 40 hp @ 7000 rpm | 94.2 kW / 126 hp @ 14400 rpm - Lim. 15000 rpm. | |
| Transmission: | 6 Speed | 6 Speed | 6 Speed | |
| Final Drive: | Shaft | Chain | Chain | Chain |
| Front Suspension: | Motorrad Telelever, stanchion diameter 35mm, central strut, rebound damping adjustable. | Telescopic fork | 43mm “UPSIDE - telescopic hydraulic fork with rebound-compression damping and spring preload external and separate adjustment, | |
| Rear Suspension: | Paralever, central strut, spring preload adjustable to continuously variable levels by mean of a hydraulic handwheel, rebound adjustable damping. | Twin shocks, coil spring over | Progressive, single shock absorber with rebound and compression (High speed/ Low speed) damping and spring preload adjustment | |
| Front Brakes: | 2 x 320mm discs, 4 piston calipers | Single disc, 11in | 2x 320mm Double floating discs, 4 pistons calipers | |
| Rear Brakes: | Single 276mm disc, 2 piston caliper | Drum, 7 in | Single 220mm disc, single piston calipers | |
| Front Tyre: | 120/70-ZR17 | 3.00-18 | 120/70-ZR17 | |
| Rear Tyre: | 160/60-ZR18 | 3.75-18 | 190/55-ZR17 | |
| Dry Weight: | 229 kg / 505 lbs | 173 kg / 382 lbs | 173 kg / 381.4 lbs | |
| Fuel Capacity: | 18 Litres / US 4.76 gal | 15 Litres / 4.0 US gal / 3.3 Imp gal | 16 Litres / 4.2 US gal |