Triumph Street Triple RS (2020) vs Suzuki Katana (2021) vs Kawasaki GPz 750 / Z 750GP (1984) vs Suzuki PE 400 (1980-81)
Comparison technical specifications
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| Make: | Triumph | Suzuki | Kawasaki | Suzuki |
| Model: | Street Triple RS | Katana | GPz 750 / Z 750GP | PE 400 |
| Years: | 2020 | 2021 | 1984 | 1980-81 |
| Engine: | Four stroke, in-line 3-cylinder, DOHC, 4 valve per cylinder | Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder | Four stroke, transverse four cylinder, DOHC, 2 valve per cylinder. | Two stroke, single cylinder, piston and reed valve |
| Capacity: | 765 cc / 46.6 cu-in | 999 cc / 60.9 in | 738 cc / 45.0 cu-in | 397 cc / 24.2 cu-in |
| Bore x Stroke: | 78 x 53.4 mm | 73 x 59 mm | 66 х 54 mm | 85 x 70 mm |
| Cooling System: | Liquid-cooled | Liquid cooled | Air cooled | Air cooled |
| Compression Ratio: | 12.54:1 | 12.2:1 | 9.5:1 | 7.3:1 |
| Induction: | Multipoint sequential electronic fuel injection with SAI. Electronic throttle control | Fuel Injection | 4x 36mm Mikuni carburetors | Mikuni VM36SS carburetor |
| Ignition: | Digital - inductive type | Digital transistorized | Digital | Capacitor-discharge, external-rotor magneto |
| Starting: | Electric | Electric | Electric | Kick |
| Max Power: | 121.3 hp / 123 PS / 90 kW @ 11,750 rpm | 147.5 hp / 107.7 kW) @ 10000 rpm | 87 hp / 63.5 kW @ 9500 RPM (rear tyre 77 hp @ 9550 rpm) | 27.7 kW / 37.69 hp @ 7000 rpm |
| Max Torque: | 79 Nm / 58.3 lb-ft @ 9,350 rpm | 108 Nm / 79.7 lb-ft @ 9500 rpm | 6.4 kgf-m / 46.2 lb-ft @ 7500 rpm | 40 Nm / 29.47 lb-ft @ 6000 rpm |
| Clutch: | Wet, multi-plate, slip-assisted | Wet, multiple discs, cable operated | Wet, multiple discs, cable operated | Wet, multiplate |
| Transmission: | 6 Speed with Triumph Shift Assist | 6 Speed | 5 Speed | 5 Speed |
| Final Drive: | X ring chain | Chain | Chain | Chain |
| Front Suspension: | Showa 41 mm upside down big piston forks (BPF), Adjustable compression damping, rebound damping and preload adjustment | Inverted telescopic, coil spring, oil damped | Air assisted forks | 36mm Air asissted telescopic forks |
| Rear Suspension: | Öhlins STX40 fully-adjustable piggyback reservoir RSU | Link type, single shock, coil spring, oil damped | Single shock swinging arm, | KYB dual shocks with adjustable pre-load |
| Rear Brakes: | Single 220mm disc, Brembo single-piston caliper | Single 240mm disc ABS | Single 210mm disc | Drum |
| Front Tyre: | 120/70 ZR17 Pirelli Diablo Supercorsa SP V3 | 120/70-ZR17 | 110/90-18 | 3.00-21 |
| Rear Tyre: | 180/55 ZR17 Pirelli Diablo Supercorsa SP V3 | 190/50 ZR17 | 130/80-18 | 5.10-18 |
| Trail: | 100 mm / 3.9 in | 100 mm / 3.9 in | 91 mm / 3.5 in | 125 mm / 4.9 in |
| Wheelbase: | 1405 mm / 55.3 in | 1460 mm / 57.5 in | 1425 mm / 56.1 in | 1461 mm / 57.5 in |
| Seat Height: | 825 mm / 32.5 in | 825 mm / 32.5 in | 760 mm / 29.9 in | 946 mm / 37.2 in |
| Fuel Capacity: | 17.4 Litres / 4.6 US gal / 3.8 Imp gal | 12 Litres / 3.2 US gal / Imp gal | 18 Litres / 4.7 US gal | 10.6 Litres / 2.8 US gal |