BMW F 650GS 30th Anniversary Special (2010) vs BMW R 1100R (1996-97) vs Yamaha XJ 750R (1981-82)
Comparison technical specifications
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| Make: | BMW | BMW | Yamaha |
| Model: | F 650GS 30th Anniversary Special | R 1100R | XJ 750R |
| Years: | 2010 | 1996-97 | 1981-82 |
| Engine: | Four stroke, parallel twin cylinder, DOHC, 4 valves per cylinder | Four stroke, two cylinder horizontally opposed Boxer, 4 valves per cylinder | Four stroke, transverse four cylinder, DOHC, 2 valves per cylinder. |
| Capacity: | 798 cc / 47.7 cub. in. | 1085 cc / 66.2 cu in | 749 cc / 45.6 cu-in |
| Bore x Stroke: | 82 x 75.8 mm | 99 x 70.5 mm | 65 х 56.5 mm |
| Compression Ratio: | 12.0:1 | 10.7:1 | 9.5:1 |
| Induction: | Electronic intake injection, ∅45mm throttle bodies | Fuel injection | 4X 32mm Hitachi CV |
| Ignition: | Knock control and oxygen sensors. | Electronic ignition MA 2.2 Bosch Motronic | Transistorized |
| Starting: | Electric | Electric | Electric |
| Max Power: | 62.5 kW / 85 hp @ 7500 rpm | 56.4 kW / 75.6 hp @ 6750 rpm | 81 hp / 59.6 kW @ 9000 rpm |
| Max Torque: | 80 Nm / 8.2 kgf-m / 59 lb-ft. @ 5700 rpm | 97 Nm 9.9 kgf-m / 71.5 lb-ft @ 5250 rpm | 48.5 Nm / 35.7 lb-ft @ 7000 rpm |
| Transmission: | 6 Speed | 5 Speed | 5 Speed |
| Final Drive: | Chain | Shaft | Chain |
| Gear Ratio: | 1st 2.46 / 2nd 1.75 / 3rd 1.38 / 4th 1.17 / 5th 1.04 / 6th 0.96: 1 | 1st 4.16 / 2nd 2.91 / 3rd 2.13 / 4th 1.74 / 5th 1.45:1 | 5th 5.68 / 4th 6.52 / 3rd .8.07 / 2nd.10.48 / 1st 15.29 |
| Front Suspension: | ∅43mm Marzocchi. Upside down forks | Telelever with central spring strut & linear-rate coil spring. Twin-tube gas-filled shock | Telescopic fork, 150mm wheel travel. |
| Rear Suspension: | Double strut swing arm aluminium coast in one piece, | Paralever swingarm & shaft drive, single-tube gas-filled shock, variable rebound setting | Swing arm, twin shocks 96mm wheel travel. |
| Front Brakes: | 2 x ∅300mm discs, 4 piston calipers | 2 x ∅305mm discs, 4 piston calipers | 2x 294mm disc 2 piston calipers |
| Rear Brakes: | Single ∅265mm disc, 2 piston caliper | Single ∅276mm disc, 2 piston caliper | Drum |
| Front Tyre: | 90/90 - 21 54V | 120/70-17 | 100/90-18 |
| Rear Tyre: | 150/70 - 17 69V | 160/60-18 | 120/90-18 |
| Seat Height: | 880 mm - 850 mm / 34.6 in. - 33.5 in. | 780 mm / 30.7 in | 775 mm / 30.5 in |
| Dry Weight: | 178 kg / 392.4 lbs. | 235 kg / 517 lbs | 218 kg / 480 lbs |
| Fuel Capacity: | 16 Litres / US 4.2 gal | 21 Litres / 5.5 US gal | 19 Litres / 5.0 US gal |