Kawasaki GPz 400F / Z400GP (1984) vs Honda CB 450S (1987-) vs Honda GB 400TT Clubman Tourist Trophy Special (1987)
Comparison technical specifications
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| Make: | Kawasaki | Honda | Honda |
| Model: | GPz 400F / Z400GP | CB 450S | GB 400TT Clubman Tourist Trophy Special |
| Years: | 1984 | 1987- | 1987 |
| Engine: | Four stroke, transverse four cylinder, DOHC, 2 Valve per cylinder. | Four stroke, parallel twin cylinder, SOHC, 3 valves per cylinder | Four stroke, single cylinder, SOHC, 4 valve |
| Capacity: | 399 cc / 24.3 cu-in | 447 cc / 27.3 cu-in | 390 cc / 23.7 cu-in |
| Bore x Stroke: | 52 х 47mm | 75 X 50.6 mm | 84 x 72 mm |
| Cooling System: | Air cooled | Air cooled | Air cooled |
| Compression Ratio: | 9.5:1 | 9.1:1 | 9.2:1 |
| Induction: | 4 x 21mm Teir-Kei carburetors | Carburetor | Keihin PH 69 |
| Ignition: | CDI | CDI | CDI |
| Starting: | Electric | Electric | Electric |
| Max Power: | 51 hp / 38 kW @ 11500 rpm | 43.3 hp / 32.2 kW @ 8500 rpm | 34 hp / 25.3 kW @ 7500 rpm |
| Max Torque: | 34.3 Nm / 25.2 lb-ft @ 8500 rpm | 4.3Kgm / 42.1Nm @ 650 rpm | 3.4 kgf-m @ 6000rpm |
| Transmission: | 6 Speed | 6 Speed | 5 Speed |
| Final Drive: | Chain | Chain | Chain |
| Front Suspension: | Telescopic forks | Telescopic forks 124.5mm wheel travel | 35 mm telescopic forks |
| Rear Suspension: | Swing arm | Swing arm 97mm wheel travel | Dual shocks with adjustable pre-load |
| Front Brakes: | Single 236mm disc | 2x 260mm disc 2 piston calipers | Single 256mm disc |
| Rear Brakes: | Single 140mm drum | 140mm Drum | 138mm Drum |
| Front Tyre: | 90/90-19 | 100/90 - 18 | 90/90 -18 |
| Rear Tyre: | 110/90-18 | 110/90 - 18 | 110/90 -18 |
| Dry Weight: | 179 kg / 394.6 lbs | 169 kg / 372.5 LBS | 157 kg / 346 lbs |
| Fuel Capacity: | 15 Litres / 3.9 US gal | 17,5 Litres / 4.6 US gal | 20 Litres / 5.3 US gal |