Honda NX 650 Dominator (1996) vs Suzuki RG125F Gamma (1992-93) vs Yamaha RD 400 (1976-77) vs Yamaha YZF-R 125 (2013)
Comparison technical specifications
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| Make: | Honda | Suzuki | Yamaha | Yamaha |
| Model: | NX 650 Dominator | RG125F Gamma | RD 400 | YZF-R 125 |
| Years: | 1996 | 1992-93 | 1976-77 | 2013 |
| Engine: | Four-stroke, single cylinder, SOHC, 4 valve per cylinder | Two stroke, single cylinder, crankcase reed valve | Two stroke, parallel twin cylinder, reed-valve torque induction | Four stroke, single cylinder, SOHC, 4 valve |
| Capacity: | 644 cc / 39.2 cu-in | 124 cc / 7.6 cu-in | 398 cc / 24.2 cu-in | 124 cc / 7.6 cu-in |
| Bore x Stroke: | 100 x 82 mm | 54 x 54 mm | 64 х 62 mm | 52 × 58.6 mm |
| Cooling System: | Air cooled | Liquid cooled | Air cooled | Liquid cooled |
| Compression Ratio: | 8.3:1 | 7.4:1 | 6.2 :1 | 10.4:1 |
| Induction: | Single 40mm Keihin VE-type carb | 28mm Mikuni carburetor | 2x 28mm Mikuni carburetors | Fuel Injection |
| Ignition: | Digital CDI | CDI | Battery, dual coils, breaker points | TCI |
| Starting: | Electric | Electric | Kick | Electric |
| Max Power: | 45 hp / 33.5 kW @ 6000 rpm | 16,5 kW / 22 hp @ 10.000 rpm | 44 hp / 32.3 kW @ 7500 rpm | 12.6 kW / 17 hp @ 8500 rpm |
| Max Torque: | 53 Nm / 5.7 kgf-m @ 5000 rpm | 17,4 Nm / 1,7 kg-m / 12.8 lb-ft @9000 rpm | 41.1 Nm / 4.2 kgf-m @ 7000 rpm | 15 Nm / 1.25 kg-m @ 7500 rpm |
| Clutch: | Wet, multiple discs, cable operated | Wet multi-plate type | Wet multiplate | Wet Multiple-disc |
| Transmission: | 5 Speed | 6 Speed | 6 Speed | 6 Speed |
| Final Drive: | Chain | Chain | Chain | Chain |
| Front Suspension: | 41mm leading-axle fork | Upside-down forks | Telescopic forks | Telescopic forks |
| Rear Suspension: | Pro-Link, | Monoshock preload adjustable. | Swing arm, dual shocks | Swinging arm |
| Front Brakes: | Single 256mm disc 2 piston caliper | Single 300 mm disc, 4 piston caliper | Single 267mm disc | Single 292mm disc |
| Rear Brakes: | Single 220mm disc 1 piston caliper | Single 210 mm disc, 2 piston caliper | Single 267mm disc | Single 230mm disc |
| Front Tyre: | 90/90–21 | 110/80-17 52S | 3.00S-18 | 90/80 -17 |
| Rear Tyre: | 120/90–17 | 120/80-17 61S | 3.50S-18 | 130/70 -17 |
| Wheelbase: | 1435 mm / 56.4 in | 1335 mm / 52.6 in | 1320 mm / 51.9 in | 1355 mm / 53.3 inc |
| Seat Height: | 870 mm / 24.2 in | 760 mm / 29.9 in | 800 mm / 31.4 in | 810 mm / 31.8 in |
| Dry Weight: | 163 kg / 359.3 lbs | 123 kg / 271 lbs | 165.5 kg / 364.8 lbs | 127 kg / 279 lbs |
| Fuel Capacity: | 16 Litres / 4.2 US gal | 14 Litres / 3.7 US gal / 3.1 Imp gal | 16.5 Litres / 4.3 US gal | 13.8 Litres / 3.6 gal |