BMW K1600 Grand America (2020-) vs Suzuki GSX 400F Katana (1982) vs Honda FMX 650 Supermoto (2005-06) vs Suzuki PE 250 (1977-78) vs Suzuki RV 125 (1972-73)
Comparison technical specifications
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| Make: | BMW | Suzuki | Honda | Suzuki | Suzuki |
| Model: | K1600 Grand America | GSX 400F Katana | FMX 650 Supermoto | PE 250 | RV 125 |
| Years: | 2020- | 1982 | 2005-06 | 1977-78 | 1972-73 |
| Engine: | Four stroke, transverse six cylinder, 4 valves per cylinder | Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder. | Four stroke, single cylinder, SOHC, 4 valve | Two stroke, single cylinder, piston and reed valve | Single cylinder, two-stroke, aluminium |
| Capacity: | 1649 cc / 100.6 cu in. | 398 cc / 24.3 cu in | 644 cc / 39.3 cu-in | 246 cc / 15.0 cu in | 124 cc / 7.6 cu in |
| Bore x Stroke: | 72 x 67.5 mm | 53 x 45.2 mm | 100 X 82 mm | 67 x 70 mm | 56 x 50 mm |
| Compression Ratio: | 12.2:1 | 10.2:1 | 8.3:1 | 7.1:1 | 6.3:1 |
| Cooling System: | Liquid cooled | Air cooled | Air cooled | Air cooled | Air cooled |
| Induction: | 52mm Throttle valve diameter, BMS-X | 4 x Mikuni BS26SS carburetors | Single 40mm Keihin VE-type carburetors | Mikuni VM36SS carburetor | Mikuni VM22SH carburetor |
| Starting: | Electric | Electric | Electric | Kick | Kick |
| Max Power: | 118 kW / 160.5 hp @ 7750 rpm | 30.8 kW / 41.3 hp @ 10500 rpm | 39.4 hp / 28.7 kW @ 5750 rpm | 21 kW / 28 hp @ 8000 rpm | 8.2 kW / 11 hp @ 6000 rpm |
| Max Torque: | 175 Nm / 17.8 kgf-m / 129 lb-ft @ 5250 rpm | 30.2 Nm / 3.1 kgf-m / 22.3 lb-ft @ 8500 rpm | 52.3 Nm / 5.33 kg-m @ 4500 rpm | 27.3 Nm / 2.78 kgf-m / 20.1 lb-ft @ 6500 rpm | 13.7 Nm / 1.4 kgf-m 10.1 lb-ft @ 5500 rpm |
| Transmission: | Constant-mesh 6-speed gearbox, helical cut | 6 Speed | 5 Speed | 5 Speed | 5 Speed, constant mesh |
| Final Drive: | Shaft | Chain, DAIDO DID50UB, 104 links | Chain | Chain, DAIDO DID 520UB, 110 links | Chain |
| Front Suspension: | Dual longitudinal control arm, Dynamic ESA semi-active suspension (road and dynamic modes) | Telescopic fork, oil dampened | 45mm Inverted leading-axle telescopic fork | Telescopic phneumatic/coil spring, oil dampened | Telescopic fork, oil dampened |
| Rear Suspension: | Paralever (single-sided swing arm), central spring strut, rebound/continuously variable, Dynamic ESA semi-active suspension (road and dynamic modes) | Swingarm, dual shocks, oil dampened, spring 5-way adjustable | Pro-Link mono shock, Swingarm | Swingarm. gas/oil dampened spring, 3-way adjustable | Swingarm, dual shocks, coil springs, oil dampened |
| Front Brakes: | 2 x 320mm discs, 4 piston calipers | 2 x Discs | Single 296mm disc 2 piston caliper | Drum, internal expanding | Drum, internal expanding |
| Rear Brakes: | Single 320mm disc, 2 piston caliper | Single disc | Single 220mm disc 1 piston caliper | Drum, internal expanding | Drum, internal expanding |
| Front Tyre: | 120/70 ZR17 | 3.25-S19 4PR | 120/70 R17 | 3.00-21 4PR | 5.40-14 4PR |
| Rear Tyre: | 190/55 ZR17 | 3.75-S18 4PR | 150/60 R17 | 4.50-18 4PR | 6.70-12 4PR |
| Dimensions: | Length: 2324 m / 91.5 in Width: 1000 mm / 39.4 in (incl. mirrors) Height: 1465 mm / 57.7 in (excl. mirrors) | Length: 2105 mm / 82.9 in Width: 750 mm / 29.5 in Height: 1135 mm / 44.7 in | Length 2150 mm / 84.6 in Width 840 mm / 33.0 in Height 1170 mm / 46.0 in | Length: 2150 mm / 84.6in Width: 855 mm / 33.7 in Height: 1200 mm / 47.2 in | Length: 1961 mm / 77.2 in Width: 770 mm / 30.3 in Height: / 39.6 in |
| Wheelbase: | 1680 mm / 66.1 in | 1415 mm / 55.7 in | 1490 mm / 58.6 in | 1455 mm / 57.3 in | 1006 mm / 51.4 in |
| Fuel Capacity: | 26.5 Litres / 7.0 US gal | 15 Litres / 4.0 US gal / 3.3 Imp gal | 11 Litres / 2.9 gal | 10.6 Litres / 2.8 US gal / 2.3 Imp gal | 5 Litres / 1.3 US gal / 1.1 Imp gal |