Yamaha XT660R (2012) vs Suzuki RG 500 Gamma (1985) vs Suzuki Boulevard S40 (2019) vs Suzuki RG 250 Gamma (1986) vs Suzuki GT 750 Le Mans (1972)
Comparison technical specifications
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Make: | Yamaha | Suzuki | Suzuki | Suzuki | Suzuki |
Model: | XT660R | RG 500 Gamma | Boulevard S40 | RG 250 Gamma | GT 750 Le Mans |
Years: | 2012 | 1985 | 2019 | 1986 | 1972 |
Engine: | Four stroke, single cylinder, SOHC, 4 valve | Two stroke, square four cylinder, rotary valve with exhaust port valves | Four stroke, single cylinder, SOHC | Two stroke, parallel twin, reed valve | Two stroke, transverse 3 cylinder |
Capacity: | 659 cc/ 40.2 cu-in | 498 cc / 30.4 cu in | 652 cc / 39.8 cu-in | 247 cc / 15.1 cu in | 738 cc / 45.0 cu in |
Bore x Stroke: | 100 x 84 mm | 56 x 50.6 mm | 94 x 94.0 mm | 54 x 54 mm | 70 х 64 mm |
Compression Ratio: | 10.0: 1 | 7.0:1 | 8.5:1 | 7.1 :1 | 6.7:1 |
Cooling System: | Liquid cooled | Liquid cooled | Air cooled | Liquid cooled | Liquid cooled |
Induction: | Fuel injection, 44 mm throttle body | 4 x 28mm Mikuni VM28SH Flatslide carburetors | Mikuni BS40 | 2 x Mikuni VM28SS flat side carburetors | 3 x Mikuni VM 32 carburetors |
Ignition: | TCI | Suzuki PEI | Transistorized | Pointless Electrical Ignition | Battery and coil |
Starting: | Electric | Kick | Electric | Kick | Electric & kick |
Max Power: | 33.8 kW / 48 hp @ 6000 rpm | 70 kW / 95 hp @ 9000 rpm | 23 kW / 31 hp @5400 rpm | 35.7 kW / 49 hp @ 9500 rpm | 50 kW / 67 hp @ 6500 rpm |
Max Torque: | 58.4 Nm / 5.7 kgf-m @ 5250 rpm | 72 Nm / 7.3 kgf-m 53.1 lb-ft @ 9000 rpm | 50 Nm / 5.1 kgf-m / 37 lb-ft @3400 rpm | 40 Nm / 4.1 kgf-m / 29.5 lb-ft @ 8000 rpm | 75.5 Nm / 7.7 kgf-m / 55.7 lb-ft @ 5500 rpm |
Clutch: | Wet, multiple-disc coil spring | Wet, cable operated | Wet, multiple discs, cable operated | Wet, multi-plate | Multi-disc, wet |
Transmission: | 5 Speed | 6 Speed | 5 Speed | 6 Speed, constant mesh | 5 Speed |
Final Drive: | Chain | Chain, 2.500 (40/16) | Belt | Chain, #520, 110 links, O-ring sealed | Chain |
Front Suspension: | 43 mm Telescopic forks, | Air adjustable fork with 38mm tubes, adjustable spring preload and anti dive valuing. | Telescopic 38 mm stanchions, coil spring, oil damped | Posi fork, 4-way adjustable with anti-dive | Telescopic forks |
Rear Suspension: | Oscillating arm standard Monocross. 200mm wheel travel | Shock absorber, adjustable for spring preload | Twin shock, 5-way adjustable spring preload | Full Floater, mono-shock, gas/oil damped, air adjustable | Swinging arm fork with adjustable shock absorber |
Front Brakes: | Single 298mm disc 2 piston caliper | 2 x 260 mm Discs, 4 piston calipers | 265 mm Single disc | 2 x 260 mm Discs ,1 piston caliper | Twin sided 200mm drum with four leading edgeshoes |
Rear Brakes: | Single 245mm disc 1 piston caliper | Single 210 mm disc, 2 piston caliper | Drum, rod operated | Single 210 mm disc, 1 piston caliper | 190 mm drum |
Front Tyre: | 90/90- 21 | 110/90 V16 | 100/90-19 57H, tube type | 100/90-16 | 3.25-19 |
Rear Tyre: | 130/80–17 | 120/90 V17 | 140/80-15 67H, tube type | 100/80-18 | 4.00-18 |
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 | Length 2180 mm / 85.8 in Width 720 mm / 28.3 in Height 1105 mm / 43.5 in | Length: 2015 mm / 79.3 in Width: 675 mm / 26.6 in Height: 1170 mm / 46.1 in | Length: 2215 mm / 87.2 in Width: 864 mm / 34.0 in Height: 1125 mm / 44.3 in |
Wheelbase: | 1505 mm / 59.3 in | 1425 mm / 56.1 in | 1480 mm / 58.3 in | 1360 mm / 53.5 in | 1469 mm / 57.8 in |
Ground Clearance: | 210 mm / 8.3 in | 120 mm / 4.7 in | 135mm / 5.3 in | 125 mm / 4.9 in | 150 mm / 5.9 in |
Wet Weight: | 181 kg / 421 lbs | 175 kg / 386 lbs | 172 kg / 380 lbs | 153 kg / 337 lbs | 226 kg / 498 lbs |
Fuel Capacity: | 15 Litres / 3.3 US gal | 22 Litres / 5.8 US gal / 4.8 Imp gal | 10.5 Litres / 2.6 US gal | 17 Litres / 4.5 US gal / 3.7 Imp gal | 17 Litres / 4.5 US gal / 3.7 Imp gal |