BMW F 650GS (800cc) (2009) vs Kawasaki GPX 400R / EX400 Ninja (1987-90) vs Kawasaki H2 750 Mach IV (1974)
Comparison technical specifications
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| Make: | BMW | Kawasaki | Kawasaki |
| Model: | F 650GS (800cc) | GPX 400R / EX400 Ninja | H2 750 Mach IV |
| Years: | 2009 | 1987-90 | 1974 |
| Engine: | Four stroke, parallel twin cylinder, DOHC, 4 valves per cylinder | Four stroke, parallel twin cylinders, DOHC, 4 valves per cylinder. | Two stroke, transverse three cylinder |
| Capacity: | 798 cc / 47.7 cub-in | 398 cc / 24.3 cu-in | 748 cc / 45.6 cu-in |
| Bore x Stroke: | 82 x 75.8 mm | 70 х 51.8 mm | 71 х 63 mm |
| Compression Ratio: | 12.0:1 | 10.7:1 | 7.1:1 |
| Lubrication: | Dry sump | Wet sump | Oil injection |
| Cooling System: | Liquid cooled | Liquid cooled | Air cooled |
| Induction: | Electronic intake injection, 45mm throttle bodies | Carburetor | 3 x 30mm Mikuni VM30SC carburetors |
| Ignition: | Knock control and oxygen sensors | TCI (Transistor Controlled Ignition) | CDI |
| Starting: | Electric | Electric | Kick |
| Max Power: | 52 kW / 71 hp @ 7000 rpm | 50 hp / 36.5 kW @ 10500 rpm | 74 hp / 55.1 kW @ 6800 rpm |
| Max Torque: | 75 Nm / 55 lb-ft @ 4800 rpm | 3.6 kgf-m @ 9000 rpm | 77.4 Nm / 7.9 kgf-m @ 6500 rpm |
| Clutch: | Multiplate-plate in oil bath | Wet, multiple discs, cable operated | Wet, multi-plate |
| Transmission: | 6 Speed | 6 Speed | 5 Speed |
| Final Drive: | Chain | Chain | Chain |
| Frame: | Tubular frame in steal partly carrying the engine | Iron, Double cradle frame | Tubular, double cradle |
| Front Suspension: | 41mm telescopic fork | 38mm Telescopic forks | Telescopic forks non adjustable |
| Rear Suspension: | Double strut swing arm aluminium coast in one piece | Swinging arm, single shock adjustable for spring preload | Dual shocks preload adjustable |
| Front Brakes: | Single 300mm disc, 2 piston caliper | 2x discs | Single 295mm disc |
| Rear Brakes: | Single 265mm disc, 1 piston caliper | Single disc | 203mm drum |
| Front Tyre: | 110/80-R19 | 110/70-17 | 8.25-19 |
| Rear Tyre: | 140/80-R17 | 130/70-17 | 4.00-18 |
| Dry Weight: | 171 kg / 377 lbs | 177 kg / 390 lbs | 192 kg / 423.2 lbs |
| Fuel Capacity: | 16 L / 4.2 US gal | 16 Litres / 3.9 US gal | 16.7 Litres / 4.4 US gal |