Yamaha XS 650 / XS 650P (1975) vs Yamaha XS 500 (1975-76) vs Yamaha YP 400 Majesty (2010-) vs Yamaha FZ 16S Vixion (2010-)
Comparison technical specifications
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| Make: | Yamaha | Yamaha | Yamaha | Yamaha |
| Model: | XS 650 / XS 650P | XS 500 | YP 400 Majesty | FZ 16S Vixion |
| Years: | 1975 | 1975-76 | 2010- | 2010- |
| Engine: | Four stroke, parallel twin cylinder, SOHC, 2 valves per cylinder. | Four stole, parallel twin cylinder. DOHC | Four stroke, single cylinder, DOHC, 4 valve | Four stroke, single cylinder, SOHC, 2-valve |
| Capacity: | 653 cc / 39.8 cu in | 498 cc / 30.5 cu-in | 395 cc / 24.1 cu-in | 153 cc / 9.3 cu-in |
| Bore x Stroke: | 75 x 74 mm | 73 х 59.6 mm | 83 x 73 mm | 58 × 57.9mm |
| Compression Ratio: | 8.4:1 | 9.8:1 | 10.6:1 | 9.5:1 |
| Cooling System: | Air cooled | Air cooled | Lliquid cooled | Air-cooled |
| Induction: | 2 x Mikuni BS38 carburetors | 2x 38mm Mikuni carburetor | Electronic fuel injection | 26mm CV BS26 carburetor |
| Max Power: | 39.5 kW / 53 hp @ 7200 rpm | 48 hp / 36.5 kW @ 8500 rpm | 35 hp / 25.7 kW @ 7250 rpm | 14 hp / 10.3 kW @ 7500 rpm |
| Max Torque: | 54 Nm / 5.5 kgf-m / 39.8 lb-ft @ 6800 rpm | 4.5 kgf-m / 32.5 lb-ft @ 6500 rpm | 3.7 kgf-m / 26.8 lb-ft @ 6000 rpm | 14 Nm / 10.3 lb-ft @ 6000 rpm |
| Transmission: | 5 Speed | 5 Speed | Centrifugal clutch | 5 Speed |
| Final Drive: | Chain | Chain | Double-cog V-belt (Automatic) | Chain |
| Front Suspension: | Telescopic forks | Telescopic fork. | 41mm hydraulic fork | 41mm Telescopic Forks |
| Rear Suspension: | Dual shock absorbers | Dual shocks swing arm, preload adjustable! | Twin shocks | Monocross type |
| Front Brakes: | Single disc | Single 267mm disc | 2x 267mm discs 2 piston caliper | Single 257mm disc 2 piston caliper |
| Rear Brakes: | Drum | Drum | Single 267mm disc | 130mm Drum |
| Front Tyre: | 3.50H-19 4PR | 3.25-19 | 120/80-14 | 100/80-17 |
| Rear Tyre: | 4.00H-18 4PR | 3.50-18 | 150/70-13 | 140/60-R17 |
| Fuel Capacity: | 15 Litres / 4.0 US gal | 12.8 Litres / 3 4 US gal | 14 Litres / 3.7 US in | 13 Litres / 3.2 US gal |