BMW K75S (1987-89) vs Yamaha XVS 650 V-Star Custom Midnight (2006) vs Triumph Speedmaster Roadster (2011-12)
Comparison technical specifications
Add bike |
Remove bike |
Remove bike |
Remove bike |
| Make: | BMW | Yamaha | Triumph |
| Model: | K75S | XVS 650 V-Star Custom Midnight | Speedmaster Roadster |
| Years: | 1987-89 | 2006 | 2011-12 |
| Engine: | Four-stroke, horizontal three cylinder in-line, DOHC, 2 valves per cylinder | Four stroke, 70°V-twin cylinder, SOHC, 2 valve per cylinder | Four stroke, parallel twin, DOHC, 4 valves per cylinder |
| Capacity: | 740 cc / 45 cub-in | 649 cc / 39.6 cu-in | 865 cc / 52.8 cu in |
| Bore x Stroke: | 67 x 70 mm | 81 x 63mm | 90 x 68 mm |
| Compression Ratio: | 11.0:1 | 9.0:1 | 9.2:1 |
| Induction: | Electronic injection, Bosch LE-Jetronic | 2x 28mm Mikuni BDS28 CV carburetors | Multipoint sequential electronic fuel injection with SAI |
| Starting: | Electric | Electric | Electric |
| Max Power: | 55 kW / 75 hp @ 8500 rpm | 40 hp / 29.2 kW @ 6500 rpm | 45.5 kW / 61 hp @ 6800 rpm |
| Max Torque: | 68 Nm / 50 ft lb @ 6750 rpm | 50.9 Nm / 37.5 lb-ft @ 3000 rpm | 74.5 Nm / 7.6 kgf-m / 55 ft.-lb @ 3300 rpm |
| Transmission: | 5 Speed | 5 Speed | 5 Speed |
| Clutch: | Single dry plate | Wet, multiple disc | Wet, multi-plate |
| Final Drive: | Shaft | Shaft | Chain, X-ring |
| Front Suspension: | Telescopic fork with hydraulic shock absorber | 41mm forks | Kayaba 41mm telescopic forks with polished lowers |
| Rear Suspension: | Monolever swinging arm | Adjustable link Monocross | Kayaba chromed spring twin shocks with adjustable preload |
| Front Brakes: | 2 x 285mm discs, 2 piston calipers | Single 298mm disc | Single 310 mm disc, 2 piston Nissen floating calipers |
| Rear Brakes: | Single 285mm disc | 200mm Drum | Single 285 mm disc, 2 piston Nissen floating caliper |
| Front Tyre: | 100/90-18 | 100/90-19 | 100/90-R19 |
| Rear Tyre: | 130/90-17 | 170/80-15 | 170/80-B15 |
| Dimensions: | Length 2220 mm / 87.4 in Width 900 mm / 35.4 in Height 1340 mm / 51.2 in | Length 2340mm / 92.1 in Width 880mm / 34.6 in Height 1075mm / 42.3 in | Length: 2365 mm / 93.1 in Width: 831 mm / 32.7 in Height: 1168 mm / 46.0 in |
| Seat Height: | 810 mm / 31.9 in or 760 mm / 29.9 in. for low seat model | 695 mm / 27.4 in | 690 mm / 27.1 in |
| Dry Weight: | 229 kg / 505 lbs | 214 kg / 471 lbs | 250 kg / 550 lbs |
| Fuel Capacity: | 21 Litres / 5.54 US gal | 16 Liters / 4.2 US gal | 19.3 Litres / 5.1 US gal / 4.25 Imp gal |