Yamaha XS 850SG Midnight Special (1981)
Comparison technical specifications
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| Make: | Yamaha |
| Model: | XS 850SG Midnight Special |
| Years: | 1981 |
| Engine: | Four stroke, transverse three cylinder, DOHC, 2 valves per cylinder |
| Capacity: | 826 cc / 50.4 cu in |
| Bore x Stroke: | 71.5 x 68.6 mm |
| Compression Ratio: | 9.2:1 |
| Cooling System: | Air cooled |
| Lubrication System: | Wet sump |
| Induction: | 3 x 34mm Hitachi HSC34 carburetors |
| Ignition: | Transistor controlled |
| Starting: | Electric and kick |
| Max Power: | 57.7 kW / 79 hp @ 8500 rpm |
| Max Torque: | 66.7 Nm / 6.8 kgf-m / 49.2 ft-lb @ 6500 rpm |
| Transmission: | 5 Speed |
| Final Drive: | Shaft |
| Front Suspension: | Air assisted telescopic forks |
| Front Wheel Travel: | 175 mm / 6.9 in |
| Rear Suspension: | Swing arm 4-way adjustable damping |
| Rear Wheel Travel: | 99 mm / 3.9 in |
| Front Brakes: | 2 x 267mm Discs, 1 piston calipers |
| Rear Brakes: | Single 267mm disc, 1 piston caliper |
| Front Tyre: | 3.25H-19 |
| Rear Tyre: | 4.00H-17 |
| Dimensions: | Length: 2175 mm / 85.6 in Width: 900 mm / 35.4 in Height: 1190 mm / 46.9 in |
| Wheelbase: | 1450 mm / 57.1 in |
| Grounc Clearance: | 140 mm / 5.5 in |
| Dry Weight: | 241 kg / 531 lbs |
| Wet Weight: | 258 kg / 569 lbs |
| Fuel Capacity: | 24 Litres / 6.3 US gal |
| Standing ¼ Mile: | 13.3 sec / 158 km/h / 98.2 mph |
| Road Test: | Motor Cycling 1980 Two Wheels 1980 |