BMW K100 RT (1983-89) vs Suzuki DR 500S (1982) vs Harley-Davidson Harley Davidson FXDWG/I Dyna Wide Glide (1999-00) vs Piaggio MP3 300 Sport / Business ABS ASR (2016-)
Comparison technical specifications
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| Make: | BMW | Suzuki | Harley-Davidson | Piaggio |
| Model: | K100 RT | DR 500S | Harley Davidson FXDWG/I Dyna Wide Glide | MP3 300 Sport / Business ABS ASR |
| Years: | 1983-89 | 1982 | 1999-00 | 2016- |
| Engine: | Four stroke, horizontal in line four cylinder, DOHC, 2 valves per cylinder | Four stroke, single cylinder, SOHC, 4 valves, TSCC | Four stroke, 45° V-Twin, Twin Cam 88® vibration isolation-mounted Valves Pushrod-operated overhead valves; w/ hydraulic self-adjusting lifters; two valves per cylinder | Four stroke, single cylinder, SOHC, 4 valve |
| Capacity: | 987 cc / 60.2 cub. in | 498 cc / 30.4 cu in | 1449 cc / 88.4 cu-in | 278 cc / 17.0 cub in. |
| Bore x Stroke: | 67 x 70 mm | 88 x 82 mm | 95.3 x 101.6 mm | 75 mm x 63 mm |
| Cooling System: | Liquid cooled | Air cooled | Air cooled | Liquid cooled |
| Induction: | Electronic injection, Bosch LE-Jetronic | Mikuni 35SS, slingshot | Carburetion 40 mm constant velocity with enrichener and accelerator pump ESPFI 38 mm throttle bore electronic sequential port fuel injection | Fuel system: Electronic fuel injection |
| Ignition: | Electronic injection, Bosch LE-Jetronic | PEI pointless | Single-fire, non-wasted, map-controlled spark ignition | Port Injected Alfa/n type with closed loop system, Lambda sensor in exhaust pipe and three-way double catalytic converter |
| Starting: | Electric | Kick | Electric | Electric |
| Max Power: | 65.6 kW / 90 hp @ 8000 rpm | 26 kW / 36 hp @ 6500 rpm | 67 hp / 48.8 kW @ 5200 rpm | 16.6 kW / 22.8 hp @ 7500 rpm |
| Clutch: | Dry, single plate, cable operated | Wet, multi-plate | Wet 9-plate | Automatic, centrifugal dry clutch |
| Transmission: | 5 Speed | 5 Speed constant mesh | 5 Speed | CVT with torque server |
| Final Drive: | Shaft | Chain, O-ring | Belt | Belt |
| Front Suspension: | Telescopic fork with hydraulic shock absorber | Telescopic Showa 36mm, oil damped | 49 mm w/polished aluminum fork triple clamp and dual-rate springs, 127mm wheel travel | Tilting parallelogram with 4 arms supporting 2 steering tubes. |
| Rear Suspension: | Monolever swinging arm | Swinging arm , adjustable spring preload, gas/oil damped, adjustable compression damping | Coil-over shock , 104mm wheel travel | Two double acting hydraulic shock absorbers |
| Front Brakes: | 2 x ∅285 mm discs, 2 piston calipers | Drum, 150 mm, expanding | Single 300mm disc 4 piston caliper | 2x 240mm discs, One disc brake per wheel, c 2 piston caliper |
| Rear Brakes: | Single ∅285 mm disc,1 piston caliper | Drum, 150 mm, expanding | Single 292mm disc 4 piston caliper | Single 240mm disc |
| Front Tyre: | 100/90-V18 | 3.00-21 | D401F MH90-21 54H | 2 x 110/70 -13 |
| Rear Tyre: | 130/90-V17 | 4.60-18 | D401 160/70B17 73V | 140/60-14 |
| Wheelbase: | 1516 m /59.7 in. | 1465 mm / 57.7" | 1735.0 mm / 68.3 in. | 1550 mm / 61.0 in. |
| Seat Height: | 810 mm / 31.9 in. (Low seat: 760 mm / 29.9 in) | 870 mm / 34.3" | Laden 698 mm / 27.5 in. Unladen .723 mm / 28.5 in | 780 mm / 30.7 in. |
| Fuel Capacity: | 22 Liters / 5.8 US US gal | 9 Litres / 2.4 US gal / 2.0 Imp gal | 19.3 Litres / 5.1 US gal | 10.8 Litres / 2.8 US gal |