Honda CX 500 (1978) vs Yamaha XT660R (2008)
Comparison technical specifications
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| Make: | Honda | Yamaha |
| Model: | CX 500 | XT660R |
| Years: | 1978 | 2008 |
| Engine: | Four stroke, longitudinal 800 V-twin cylinder, camshaft nestles at the base of the V between the cylinders. ,OHV, 4 valves per cylinder operated by pushrods | Four stroke, single cylinder, SOHC, 4 valve |
| Capacity: | 497 cc / 30.3 cu-in | 659 cc/ 40.2 cu-in |
| Bore x Stroke: | 78 x 52 mm | 100 x 84 mm |
| Compression Ratio: | 10.0:1 | 10.0: 1 |
| Induction: | 2x 34mm Keihin carburetors | Fuel injection, 44 mm throttle body |
| Ignition: | CDI | TCI |
| Starting: | Electric | Electric |
| Max Power: | 50 hp / 37.2 kW @ 9000 rpm | 33.8 kW / 48 hp @ 6000 rpm |
| Max Torque: | 46 Nm / 33.9 lb-ft @ 7000 rpm | 58.4 Nm / 5.7 kgf-m @ 5250 rpm |
| Clutch: | Wet, multi-plate, 5-speed | Wet, multiple-disc coil spring |
| Transmission: | 5 Speed | 5 Speed |
| Final Drive: | Shaft | Chain |
| Front Suspension: | 33mm Showa telehydraulic fork | 43 mm Telescopic forks, |
| Front Wheel Travel: | 132 mm / 5.1 in | 225 mm / 8.8 in |
| Rear Suspension: | Swinging arm fork with adjustable shocks absorbers | Oscillating arm standard Monocross. 200mm wheel travel |
| Rear Wheel Travel: | 84 mm / 3.3 in | 200 mm / 7.9 in |
| Front Brakes: | 2x 275mm discs | Single 298mm disc 2 piston caliper |
| Rear Brakes: | 160mm Drum | Single 245mm disc 1 piston caliper |
| Front Tyre: | 3.25-19 | 90/90- 21 |
| Rear Tyre: | 3.75-18 | 130/80–17 |
| Fuel Capacity: | 17 Litres / 4.4 US gal | 15 Litres / 3.3 US gal |
| Consumption Average: | 43 mpg | 23 km/lit |
| Standing ¼ Mile: | 14.0 sec / 93 mph | 14.2 sec |
| Top Speed: | 112 mph | 164.7 km/h / 102.3 mph |