Aprilia RX 125C (1993-94) vs Suzuki GSX 400F Katana (1983-84)
Comparison technical specifications
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| Make: | Aprilia | Suzuki |
| Model: | RX 125C | GSX 400F Katana |
| Years: | 1993-94 | 1983-84 |
| Engine: | Single cylinder, two stroke, Rotax 123, Gilardoni 2 cylinder/head | Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder. |
| Capacity: | 124.8 cc / 7.6 cu in | 398 cc / 24.3 cu in |
| Bore x Stroke: | 54 x 54.5 mm | 53 x 45.2 mm |
| Compression Ratio: | 12.5:1 | 10.2:1 |
| Induction: | VHSB34 LD carburetor | 4 x Mikuni BS26SS carburetors |
| Starting: | Kick | Electric |
| Max Power: | 25.7 kW / 34.5 hp @ 10800 rpm | 30.8 kW / 41.3 hp @ 10500 rpm |
| Max Torque: | 21.6 Nm / 2.2 kgf-m / 15.9 lb-ft @ 10500 rpm | 30.2 Nm / 3.1 kgf-m / 22.3 lb-ft @ 8500 rpm |
| Transmission: | 6 Speed | 6 Speed |
| Final Drive: | #520 Chain, 12T to 17T pinion gear, 49T spur gear | Chain, DAIDO DID50UB, 104 links |
| Front Suspension: | Marzocchi upside down fork | Telescopic fork, oil dampened |
| Rear Suspension: | Swingarm with single shock absorber, Aprilia Progressive System with fully adjustable Boge Sachs shock absorber | Swingarm, dual shocks, oil dampened, spring 5-way adjustable |
| Front Brakes: | Single Ø 250 mm disc | 2 x Discs |
| Rear Brakes: | Single Ø 220mm disc | Single disc |
| Front Tyre: | 90/90-21 | 3.25-S19 4PR |
| Rear Tyre: | 120/80-19 | 3.75-S18 4PR |
| Dry Weight: | 105 kg / 231 lbs | 179 kg / 395 lbs |
| Wet Weight: | 122 kg / 269 lbs | 197 kg / 434 lbs |
| Fuel Capacity: | 11.5 L / 3.o US gal | 15 Litres / 4.0 US gal / 3.3 Imp gal |
| Top Speed: | 32.2 km/h / 82.1 mph | 170 km/h / 106 mph |