Suzuki GS 400T (1981-83) vs KTM RC 390 (2014-15) vs Honda CB 400 Super Four (2012-13)
Comparison technical specifications
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| Make: | Suzuki | KTM | Honda |
| Model: | GS 400T | RC 390 | CB 400 Super Four |
| Years: | 1981-83 | 2014-15 | 2012-13 |
| Engine: | Four stroke, parallel twin cylinder, DOHC, 4 valves per cylinder. | Four stroke, single cylinder. DOHC with finger followers, 4 Valve per cylinder | Four stroke, transverse four cylinders, DOHC, 4 valve per cylinder |
| Capacity: | 398 cc / 24.3 cu in | 373 cc / 22.7 cu-in | 399 cc / 24.3 cu in |
| Bore x Stroke: | 65 x 60 mm | 89 x 60 mm | 55 x 42 mm |
| Compression Ratio: | 8.5:1 | 12.6:1 | 11.3:1 |
| Starting: | Electric | Electric | Electric |
| Max Power: | 19.7 kW / 26.8 hp @ 7400 rpm | 32 kW / 43 hp @ 9500 rpm | 53 hp / 38.6 kW @ 11000 rpm |
| Clutch: | Wet, multi-disc | Wet multi-disc clutch / mechanically operated | Wet, multi-plate |
| Transmission: | 6 Speed | 5 Speed | 6 Speed |
| Final Drive: | Chain | Chain 5/8 x 1/4” X‑Ring | Chain |
| Front Suspension: | USD telescopic fork | WP Suspension Up Side Down | Telescopic forks |
| Rear Suspension: | Dual dampers, coil spring, 5-way adjustable | WP Monoshock | Single shock |
| Front Brakes: | Single disc | Single 300 mm disc 4 piston radial caliper | 2x 296mm discs 4 piston calipers |
| Rear Brakes: | Drum | Single 230 mm disc 1 piston caliper | Single 240mm disc 2 piston caliper |
| Front Tyre: | 3.00-18 | 110/70 R17 | 120/60 ZR17 |
| Rear Tyre: | 3.50-19 | 150/60 R17 | 160/60 ZR17 |
| Fuel Capacity: | 14 L / 3.7 US gal / 3.0 Imp gal | 10 Liters / 2.64 lbs | 18 Litres / 4.75 gal |