Yamaha V-Max (2015) vs Kawasaki ER-6n (2009) vs BMW R 100RT (1978-80)
Comparison technical specifications
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| Make: | Yamaha | Kawasaki | BMW |
| Model: | V-Max | ER-6n | R 100RT |
| Years: | 2015 | 2009 | 1978-80 |
| Engine: | Four stroke, V-four, DOHC, 4 valve per cylinder. | Four stroke, parallel twin, DOHC, 4 valves per cylinder. | Four stroke, two cylinder horizontally opposed Boxer, 2 valves per cylinder |
| Capacity: | 1679 cc / 102.4 cu-in | 649 cc / 39.6 cu-in | 980 cc / 59.8 cub in. |
| Bore x Stroke: | 90 x 66 mm | 83 X 60mm | 94 x 70.6 mm |
| Cooling System: | Liquid cooled | Liquid cooled, | Air cooled |
| Compression Ratio: | 11.3:1 | 11.3;1 | 9.5:1 |
| Lubrication: | Wet sump | Wet sump | Wet sump |
| Induction: | Mikuni 48mm fuel injection | 2x 38mm Electronic Fuel Injection Keihin | 2 x Constant depression carburettors, Bing 94/40/105 - 94/40/106 |
| Ignition: | TCI | Digital TCBI | Battery ignition |
| Starting: | Electric | Electric | Electric |
| Max Power: | 147.2 kW / 200 hp @ 9000 rpm | 53 kW / 72.1 hp @ 8500 rpm | 51 kW / 70 hp @ 7000 rpm |
| Max Torque: | 166.8 Nm / 17.0 kgf-m @ 6500 rpm | 66 Nm / 6.7 m-kg @ 7000 rpm | 76 Nm / 7.7 kgf-m / 56 ft-lb @ 6000 rpm |
| Clutch: | Wet, multiple-disc diaphragm spring | Wet, multiple discs, cable operated | Dry single plate, with diaphragm spring |
| Transmission: | 5 Speed with slipper clutch | 6 Speed | 5 Speed |
| Final Drive: | Shaft | Chain | Shaft |
| Frame: | Aluminium, Diamond-shaped | Diamond, high-tensile steel | Double sown tubs, dual cradle |
| Front Suspension: | 52mm Telescopic forks | 41 mm telescopic fork, | Telescopic fork with hydraulic shock absorber. |
| Front Wheel Travel: | 120 mm / 4.7 in | 120 mm / 4.7 in | 200 mm / 7.8 in |
| Rear Suspension: | Swingarm Link-type suspension | Offset laydown single-shock with adjustable preload, | Long swinging arm with adjustable strut. |
| Rear Wheel Travel: | 110 mm / 4.3 in | 130 mm / 5.1 in | 125 mm / 4.9 in |
| Front Brakes: | 2x 320mm discs | 2x 300mm discs 2 piston calipers | 2 x ∅260mm discs 2 piston calipers |
| Rear Brakes: | Single 280mm disc | Single 220mm disc 1 piston caliper | Simplex ∅200 mm drum |
| Front Tyre: | 120/70 R18 | 120/70ZR17 | 3.25 H-19 |
| Rear Tyre: | 200/50 R18 | 160/60ZR17 | 4.00 H-18 |
| Wheelbase: | 1700 mm / 66.9 in | 1405 mm / 55.3 in | 1465 mm / 57.67 in |
| Seat Height: | 775 mm / 30.5 in | 785 mm / 30.9 in | 820 mm / 32.3 in |
| Ground Clearance: | 140 mm / 5.5 in | 130 mm / 5.1 in | 165 mm / 6.49 in |
| Wet Weight: | 310 kg / 683 lbs | 196 kg / 432 lbs | 234 kg / 515 lbs |
| Fuel Capacity: | 15 Litres / 4.0 US gal | 15.5 Litres / 4.1 US gal | 24 Litres / 6.3 US gal |
| Consumption Average: | 15.6 km/lit | 17.2 km/lit | 5.1 L/100km / 19.6 km/l / 46 US mpg |
| Standing ¼ Mile: | 10.9 sec | 12.6 sec | 13.8 sec / 153 km/h / 95 mph |
| Top Speed: | 222.4 km/h / 138.1 mph | 199.7 km/h | 203 km/h / 126 mph |