| Year | 1981 |
| Battery | GM 18Z-3A / 12v, 20 AH |
| Bore x Stroke | 71.5 x 68.6 mm |
| Capacity | 1101 cc / 67.2 cu-in |
| Clutch | Wet, multi-disc (8 drive plates, 7 driven plates) |
| Compression Ratio | 9.2:1 |
| Cooling System | Air cooled |
| Engine | Four stroke transverse four cylinder, DOHC, 2 valves per cylinder. |
| Final Drive | Shaft |
| Front Brakes | 2x 298mm discs |
| Front Suspension | Telescopic fork. |
| Front Tyre | 3.50-19 |
| Front Wheel Travel | 175 mm / 6.8 in |
| Fuel Capacity | 22 Litres / 5.8 gal |
| Gear Ratio | 1st 38/17 (2.235) 2nd 39/24 (1.625) 3rd 36/28 (1.286) 4th 32/31 (1.032) 5th 30/34 (0.882) |
| Generator | A.C. Generator, voltage regulator, rectifier |
| Ignition | TCI additional vacuum adjusted! / electric kick starter - Witch is separated from the engine, for emergency mounting only |
| Induction | 4x Mikuni BS 34SS Carburettor |
| Lubrication | Wet sump |
| Max Power | 95 hp / 70.8 kW @ 8500 rpm |
| Max Torque | 9.2 kgf-m / 66.5 lb-ft @ 6500 rpm |
| Model | Yamaha XS 1100 Eleven Venturer |
| Primary Reduction Ratio | 25/25 x 58/35 = 1.657 |
| Primary Reduction System | HY-VO chain & gear |
| Rake | 29º 30 |
| Rear Brakes | Single 298mm disc |
| Rear Suspension | Dual shocks Swing arm, preload adjustable |
| Rear Tyre | 4.50-17 |
| Rear Wheel Travel | 80 mm / 3.1 in |
| Seat Height | 800 mm / 31.5 in |
| Spark Plug | BP6ES (NGK) or N-8Y (Champion) |
| Starting | Electric |
| Trail | 130 mm / 5.1 in |
| Transmission | 5 Speed |
| Wet Weight | 287kg / 633 lb |
