BMW S 1000R (2014) vs Kawasaki KH400 (1978-79) vs Triumph America (2002-03)
Comparison technical specifications
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| Make: | BMW | Kawasaki | Triumph |
| Model: | S 1000R | KH400 | America |
| Years: | 2014 | 1978-79 | 2002-03 |
| Engine: | Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder | Two stroke, transverse three cylinder, piston valve | Four stroke, parallel twin cylinder, DOHC, 4 valves per cylinder |
| Capacity: | 999 cc / 60.9 cu-in | 400.4 cc / 24.4 cu-in | 790 cc / 48.2 cu in |
| Bore x Stroke: | 80 x 49.7 mm | 57 х 52.З mm | 86 x 68 mm |
| Compression Ratio: | 12.0:1/at least premium unleaded (95 RON) | 6.5:1 | 9.2:1 |
| Cooling System: | Liquid cooled | Air cooled | Air-cooled |
| Induction: | Electronic fuel injection, digital motor electronics BMS-KP | 3x Mikuni VM26SC, Ø 26 mm carburetors | Twin 35 mm carburetors |
| Starting: | Electric | KICK | Electric |
| Max Power: | 118 kW / 160 hp @ 11000 rpm | 38 hp / 28.3 kW @ 7000 rpm | 45.2 kW / 62 hp @ 7400 rpm |
| Max Torque: | 112 Nm / 11.4 kgf-m / 82.6 lb-ft @ 9250 rpm | 3.9 kgf-m / 28.2 lb-ft @ 6500 rpm | 60 Nm / 6.12 kg-m / 44.3 lb-ft @ 3500 rpm |
| Transmission: | 6 Speed | 5 Speed | 5 Speed |
| Final Drive: | Chain 17/45 | Chain | Chain |
| Frame: | Construction type aluminium bridge frame, enqine self-supporting | Double tubular steel cradle | Steel, double cradle frame |
| Front Suspension: | Upside-down fork, stanchion diameter 46 mm, adjustable for bump and rebound SA DDC: electronically adjustable damping | Telescopic Hydraulic forks | 41 mm Fork |
| Rear Suspension: | Aluminium double-strut swingarm with central spring strut, adjustable rebound, SA DDC: electronically adjustable damping | Dual shocks, Swing arm | Chrome spring twin shocks with adjustable preload |
| Front Brakes: | 2 x 320mm Discs, 4 piston calipers | Single 250mm disc | Single 310mm disc, 2 piston caliper, Nissen |
| Rear Brakes: | Single 220mm disc, 1 piston caliper | 180mm Drum | Single 255mm disc, 2 piston caliper, Nissen |
| Front Tyre: | 120/70 ZR17 | 3.25-18 | 110/90 R18 Bridgestone |
| Rear Tyre: | 190/55 ZR17 | 3.50-18 | 170/80 R15 Bridgestone |
| Dimensions: | Length 2057 mm / 81.0 in Width 845 mm / 33.3 in (incl. mirrors) Height 1228 mm / 48.3 in | Length 2024 mm / 79.7 in Width 820 mm / 32.3 in | Length 2424 mm / 95.4 in Width 955 mm / 37.6 in Height 1184 mm / 46.6 in |
| Wheelbase: | 1422 mm / 56 in | 1364 mm / 53.7 in | 1655 mm / 65.2 in |
| Fuel Capacity: | 17.5 Litres / 4.6 US gal. | 16 Litres / 4.2 US gal | 17 Litres / 4.4 US gal / 3.7 Imp gal |