The BMW K75RT Ultima, produced in 1996 with a total of 21,264 units, features a four-stroke, horizontal three-cylinder in-line, liquid-cooled engine with a capacity of 740 cc and a bore x stroke of 67x70mm. The compression ratio is 11.0:1 with a cooling system of liquid-cooled and a wet sump for lubrication. It has electronic injection, Bosch LE-Jettronic induction and starting with electric power. The bike has a maximum power of 54.7 kW / 75 hp at 8500 rpm, and a maximum torque of 68 Nm / 6.9 kgf-m / 50 ft-lb at 6750 rpm with a single plate, dry clutch and 5-speed transmission. It features a shaft final drive and front telescopic fork with hydraulic shock absorber suspension. Its front and rear brakes are 2 x 285 mm discs, 2 piston calipers and single 285 mm disc with a 1 piston caliper respectively. The 8 spoke alloy wheels have a front rim of 2.50x18E and rear rim of 2.75x18E with a front tyre of 100/90-V18 and rear tyre of 130/90-18. The dimensions of the bike are length 2230 mm, width 916mm, height 1460mm, with a wheelbase of 1516mm and a ground clearance of 175mm. Seat height is 810mm/31.9 inches or 760mm/29.9 inches for the low seat model. It has a dry weight of 239 kg/527 lbs, a wet weight of 257kg/567 lbs, and a fuel capacity of 21L/5.5 US gal. The bike’s average consumption is 6 l/100km / 16.6 km/l / 39 US mpg with a 60-0 / 100-0 braking distance of 14.1m / 46ft. / 42.1m / 138 ft. The standing 1/4 mile is 13.5 sec / 159.4 km/h / 99 mph with a top speed of 187 km/h / 116 mph.
Technical specifications:
Make Model: BMW K 75RTA Ultima
| Year | 1996 |
|---|---|
| Production | 21 264 units |
| Engine | Four-stroke, horizontal three cylinder in-line, liquid cooled, DOHC, 2 valves per cylinder |
| Capacity | 740 cc / 45 cub. in. |
| Bore x Stroke | 67 x 70 mm |
| Compression Ratio | 11.0:1 |
| Cooling System | Liquid cooled |
| Lubrication | Wet sump |
| Induction | Electronic injection, Bosch LE-Jettronic |
| Starting | Electric |
| Max Power | 54.7 kW / 75 hp @ 8500 rpm |
| Max Torque | 68 Nm / 6.9 kgf-m / 50 ft lb @ 6750 rpm |
| Clutch | Single plate, dry clutch |
| Transmission | 5 speed |
| Final Drive | Shaft |
| Front Suspension | Telescopic fork with hydraulic shock absorber |
| Front Wheel Travel | 185mm / 7.3 in. |
| Rear Suspension | Monolever swinging arm. |
| Rear Wheel Travel | 14mm / 4.5 in. |
| Front Brakes | 2 x 285mm discs, 2 piston calipers |
| Rear Brakes | Single 285mm disc, 1 piston caliper |
| Wheels | 8 Spoke, alloy |
| Front Rim | 2.50 x 18E |
| Front Tyre | 100/90-V18 |
| Rear Rim | 2.75 x 18E |
| Rear Tyre | 130/90-18 |
| Dimensions | Length 2230 mm / 87.8 in. Width 916 mm / 36.1 in. Height 1460 mm / 57.5 in. |
| Wheelbase | 1516 mm / 59.7 in. |
| Ground Clearance | 175 mm / 6.9 in |
| Seat Height | 810mm / 31.9 inches or 760mm / 29.9 inches for low seat model |
| Dryt Weight | 239 kg / 527 lbs |
| Wet-Weight | 257 kg / 567 lbs |
| Fuel Capacity | 21 L / 5.5 US gal |
| Consumption Average | 6 l/100km / 16.6 km/l / 39 US mpg |
| Braking 60 – 0 / 100 – 0 (mph | 37 – 0 / 62 – 0): 14.1 m / 46 ft. / 42.1 m / 138 ft. |
| Standing 1/4 Mile | 13.5 sec / 159.4 km/h / 99 mph |
| Top Speed | 187 km/h / 116 mph |
