Kawasaki GPz 500S / EX 500R Ninja (1991-92) vs BMW F 800ST (2010)
Comparison technical specifications
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| Make: | Kawasaki | BMW |
| Model: | GPz 500S / EX 500R Ninja | F 800ST |
| Years: | 1991-92 | 2010 |
| Engine: | Four stroke, parallel twin cylinders. DOHC, 4 valves per cylinder. | Four stroke, parallel twin cylinder, DOHC, 4 valves per cylinder |
| Capacity: | 498 cc / 30.4 cu-in | 798 cc / 47.7 cub. in. |
| Bore x Stroke: | 74 x 58 mm | 82 x 75.8 mm |
| Compression Ratio: | 10.8:1 | 12.0:1 |
| Lubrication: | Wet sump | Dry sump |
| Induction: | 2x Keihin CVK34 carburetor | Electronic intake injection |
| Ignition: | TCI (Transistor Controlled Ignition) | Knock control and oxygen sensors |
| Starting: | Electric | Electric |
| Max Power: | 60 hp / 43.7 kW @ 9800 rpm | 62.5 kW / 85 hp @ 8000 rpm |
| Max Torque: | 46.1 Nm / 4.7 kg-m @ 8500 rpm | 80 Nm / 8.2 kgf-m / 59 lb-ft. @ 5800 rpm |
| Clutch: | Wet, multiple discs, cable operated | Cable-operated multiplate-plate wet clutch |
| Transmission: | 6 Speed | 6 Speed |
| Final Drive: | Chain | Belt drive with shock damper |
| Frame: | Iron, Double cradle frame | Bridge-type aluminium frame |
| Front Suspension: | 38mm Telescopic forks | ∅43mm Telescopic forks |
| Front Wheel Travel: | 130 mm / 5.1 in | 140 mm / 5.5 in. |
| Rear Suspension: | Swinging arm, single shock adjustable for spring preload | Die-cast aluminium single sided swinging arm with rear wheal axle and eccentric adjustment, central spring stud , spring pre-loaded hydraulically adjustable to continuously variable levels by means of handwheel, rebound damping adjustable. |
| Rear Wheel Travel: | 100 mm / 3.9 in | 140 mm / 5.5 in |
| Front Brakes: | Single 270mm disc 2 piston caliper | 2 x ∅320 mm discs, 4 piston calipers |
| Rear Brakes: | 160mm drum | Single ∅265 mm disc, 2 piston caliper |
| Front Tyre: | 100/90-16 | 120/70 ZR17 |
| Rear Tyre: | 120/90-16 | 180/55 ZR17 |
| Dimensions: | Length 2110 mm / 83 in Width 685 mm / 27.0 in Height: 1160 mm / 45.6 in | Length 2195 mm / 86.4 in. Width 860 mm / 33.9 in. (incl. mirrors) Height 1225 mm / 48.2 in. (excl. mirrors) |
| Wheelbase: | 1435 mm / 56.5 in | 1466 mm / 57.7 in. |
| Seat Height: | 770 mm / 30.0 in | 820 mm / 32.3 in. (low seat: 790 mm / 31.1 in.) |
| Dry Weight: | 170 kg / 370 lbs | 187 kg / 412 lbs |
| Wet Weight: | 200 kg / 441 lbs | 209 kg / 461 lbs |
| Fuel Capacity: | 15.9 Litres / 4.2 US gal | 16 Litres / 4.2 US gal. |
| Standing ¼ Mile: | 12.5 sec / 164.8 km/h | 12.2 sec |
| Top Speed: | 197.9 km/h / 122.9 mph | 219.7 km/h / 136.5 mph |