BMW K1 (1991-92) vs Suzuki 1981 ()
Comparison technical specifications
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| Make: | BMW | Suzuki |
| Model: | K1 | 1981 |
| Years: | 1991-92 | |
| Engine: | Four-stroke, horizontal in line four cylinder, DOHC, 4 valves per cylinder | Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder. |
| Capacity: | 987 cc / 60.2 cu in | 1074 cc / 65.5 cu in |
| Bore x Stroke: | 67 x 70 mm | 72 x 66 mm |
| Compression Ratio: | 11.0:1 | 9.5:1 |
| Cooling System: | Liquid cooled | Air cooled |
| Induction: | Electronic injection, Bosch Motronic | 4 x Mikuni BS34SS |
| Starting: | Electric | Electric |
| Max Power: | 72.9 kW / 100 hp @ 8000 rpm (rear tyre: 70.1 kW / 94.0 hp @ 8400 rpm) | 83.9 kW / 111 hp / @ 9500 rpm |
| Max Torque: | 100 Nm / 10.2 kgf-m / 74 ft lb @ 6750 rpm | 97.1 Nm / 9.9 kgf-m / 70.9 lb-ft @ 6500 rpm |
| Transmission: | 5 Speed | 5 Speed |
| Final Drive: | Shaft | Chain, Daido D.I.D 630YL, 96 links |
| Front Suspension: | Telescopic fork with hydraulic shock absorber | Telescopic, oil damped, spring 4-way adjustable with anti-dive |
| Rear Suspension: | Monolayer swinging arm | Dual shock oil damped, damper 4-way, spring 5-way adjustable |
| Front Brakes: | 2 x 305mm discs, 4 piston calipers | 2 x 275 mm Discs, 2 piston calipers |
| Rear Brakes: | Single 285mm disc, 1 piston caliper | Single 275 mm disc, 1 piston caliper |
| Front Tyre: | 120/70 ZR17 | 3.50 - V19 |
| Rear Tyre: | 160/60 ZR18 | 4.50 - V17 |
| Fuel Capacity: | 22 L / 5.8 US gal | 22 L / 5.8 US gal / 4.8 Imp gal |
| Consumption Average: | 5.6 /100 km / 17.8 km/l / 41.9 US mpg | 6.4 L/100 km / 15.6 km/l / 36.6 US mpg / 44 Imp mpg |
| Top Speed: | 240.4 km/h / 149.4 mph | 220 km/h / 136.4 mph |
| Road Test: | Motosprint 1989 Motosprint Superbike Group Test 1991 | Honda CB1100RC-Kawasaki GPZ-Suzuki Katana 1983 Motosprint |