Yamaha XT660R (2012) vs Suzuki RG 500 Gamma (1985)
Comparison technical specifications
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| Make: | Yamaha | Suzuki |
| Model: | XT660R | RG 500 Gamma |
| Years: | 2012 | 1985 |
| Engine: | Four stroke, single cylinder, SOHC, 4 valve | Two stroke, square four cylinder, rotary valve with exhaust port valves |
| Capacity: | 659 cc/ 40.2 cu-in | 498 cc / 30.4 cu in |
| Bore x Stroke: | 100 x 84 mm | 56 x 50.6 mm |
| Compression Ratio: | 10.0: 1 | 7.0:1 |
| Cooling System: | Liquid cooled | Liquid cooled |
| Induction: | Fuel injection, 44 mm throttle body | 4 x 28mm Mikuni VM28SH Flatslide carburetors |
| Lubrication: | Dry sump | Wet sump |
| Ignition: | TCI | Suzuki PEI |
| Starting: | Electric | Kick |
| Max Power: | 33.8 kW / 48 hp @ 6000 rpm | 70 kW / 95 hp @ 9000 rpm |
| Max Torque: | 58.4 Nm / 5.7 kgf-m @ 5250 rpm | 72 Nm / 7.3 kgf-m 53.1 lb-ft @ 9000 rpm |
| Clutch: | Wet, multiple-disc coil spring | Wet, cable operated |
| Transmission: | 5 Speed | 6 Speed |
| Final Drive: | Chain | Chain, 2.500 (40/16) |
| Frame: | Steel tubular diamond frame with dual tank rails | Steel, double cradle frame |
| Front Suspension: | 43 mm Telescopic forks, | Air adjustable fork with 38mm tubes, adjustable spring preload and anti dive valuing. |
| Front Wheel Travel: | 225 mm / 8.8 in | 130 mm / 5.2 in |
| Rear Suspension: | Oscillating arm standard Monocross. 200mm wheel travel | Shock absorber, adjustable for spring preload |
| Rear Wheel Travel: | 200 mm / 7.9 in | 126 mm / 4.9 in |
| Front Brakes: | Single 298mm disc 2 piston caliper | 2 x 260 mm Discs, 4 piston calipers |
| Rear Brakes: | Single 245mm disc 1 piston caliper | Single 210 mm disc, 2 piston caliper |
| Front Tyre: | 90/90- 21 | 110/90 V16 |
| Rear Tyre: | 130/80–17 | 120/90 V17 |
| Dimensions: | Height 1230 mm / 48.4 in Length 2240 mm / 88.1 in Width 845 mm / 33.2 in | Length 2100 mm / 82.7 in Width 695 mm / 27.4 in Height 1185 mm / 46.7 in |
| Wheelbase: | 1505 mm / 59.3 in | 1425 mm / 56.1 in |
| Ground Clearance: | 210 mm / 8.3 in | 120 mm / 4.7 in |
| Seat Height: | 865mm / 34.1 in | 770 mm / 30.3 in |
| Wet Weight: | 181 kg / 421 lbs | 175 kg / 386 lbs |
| Fuel Capacity: | 15 Litres / 3.3 US gal | 22 Litres / 5.8 US gal / 4.8 Imp gal |
| Consumption Average: | 23 km/lit | 8.7 L/100 km / 11.5 km/l / 27 US mpg / 32.5 Imp mpg |
| Standing ¼ Mile: | 14.2 sec | 11.2 sec / 193.9 km/h / 120.5 mph |
| Top Speed: | 164.7 km/h / 102.3 mph | 236.4 km/h / 146.9 mph |