Kawasaki KH 125FX (1982) vs Honda XR 250 Motard (2006-07) vs Kawasaki Zephyr 750 (1990-91) vs Moto Guzzi 850 Le Mans Mark III (1983) vs Suzuki Boulevard S40 (2013-14)
Comparison technical specifications
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| Make: | Kawasaki | Honda | Kawasaki | Moto Guzzi | Suzuki |
| Model: | KH 125FX | XR 250 Motard | Zephyr 750 | 850 Le Mans Mark III | Boulevard S40 |
| Years: | 1982 | 2006-07 | 1990-91 | 1983 | 2013-14 |
| Engine: | Two stroke, single cylinder, | Four stroke, single cylinder SOHC, 4 valve | Four stroke, transverse four cylinder , DOHC, 2 valves per cylinder | Four stroke, 90° V twin, longitudinally mounted, OHV pushrod, 2 valves per cylinder | Four stroke, single cylinder, SOHC |
| Capacity: | 124 cc / 7.6 cu-in | 249 cc / 15.1 cu-in | 738 cc / 45.6 cu-in | 844 cc / 51.5 cu-in | 652 cc / 39.8 cu-in |
| Bore x Stroke: | 56 x 50.6 mm | 73 x 59.5 mm | 66 x 54 mm | 83 x 78 mm | 94 x 94.0 mm |
| Cooling System: | Air cooled | Air cooled | Air cooled, | Air cooled | Air cooled |
| Compression Ratio: | 7.0:1 | 10.2:1 | 9.5:1 | 9.8:1 | 8.5:1 |
| Induction: | 32 mm diaphragm-type CV | 4x 32mm Keihin carburetors | 2x 36mm Dell'Orto carburetors with accelerator pump, with air filtering and inlet silencer | Mikuni BS40 | |
| Max Power: | 30 hp / 21.9 kW @ 9000 rpm | 71 hp / 52.6 kW @ 9500 rpm | 76 hp / 56 kW @ 7700 rpm | 23 kW / 31 hp @5400 rpm | |
| Max Torque: | 24.5 Nm / 18 ft. lbs @ 7500 rpm | 56.8 Nm / 42.0 lb-ft @ 7300 rpm | 74.5 Nm / 54.9 lb-ft @ 6200 rpm | 50 Nm / 5.1 kgf-m / 37 lb-ft @3400 rpm | |
| Final Drive: | Chain | Chain | Chain | Shaft | Belt |
| Front Suspension: | Air assisted telescopic forks | 41mm Telescopic forks no adjustmen | 35mm Telescopic air assisted forks | Telescopic 38 mm stanchions, coil spring, oil damped | |
| Rear Suspension: | Pro-Link, adjustable compression and rebound | Dual gas shocks adjustable for preload, rebound, and compression. | Dual charged shocks, spring preload adjustable | Twin shock, 5-way adjustable spring preload | |
| Front Brakes: | Single disc | Single disc 2 piston caliper | 2x 300mm discs 2 piston calipers | 2x 300mm discs 2 piston calipers | 265 mm Single disc |
| Rear Brakes: | Drum | Single 220 mm disc 1 piston caliper | Single 230mm disc 1 piston caliper | Single 242mm disc 2 piston caliper | Drum, rod operated |
| Front Tyre: | 2.75-18 | 110/70 -17 | 120/70 VR17 | 100/90 V18 | 100/90-19 57H, tube type |
| Rear Tyre: | 3.00 -18 | 130/70 -17 | 150/70 VR17 | 110/90 V18 | 140/80-15 67H, tube type |
| Dry Weight: | 95 kg | 201 kg / 443 lbs | 206 kg / 454 lbs | 160 kg / 352 lbs | |
| Fuel Capacity: | 11.6 Litres | 9 Litres / 2.4 gal | 17 Litres / 4.4 US gal | 25 Litres / 6.0 US gal | 10.5 Litres / 2.6 US gal |