Suzuki DR 500S (1980-81) vs Kawasaki 250 A1 Samurai (1969-71) vs Suzuki GSX 1100E (GS 1100E) (1980) vs Triumph Bonneville SE (2011) vs Kawasaki ZR-X 400 (1996-98)
Comparison technical specifications
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| Make: | Suzuki | Kawasaki | Suzuki | Triumph | Kawasaki |
| Model: | DR 500S | 250 A1 Samurai | GSX 1100E (GS 1100E) | Bonneville SE | ZR-X 400 |
| Years: | 1980-81 | 1969-71 | 1980 | 2011 | 1996-98 |
| Engine: | Four stroke, single cylinder, SOHC, 4 valves, TSCC | Two-stroke, parallel twin, 2 rotary inlet valves | Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder | Four stroke, parallel twin cylinder, DOHC, 4 valves per cylinder | Four stroke parallel twin cylinder. DOHC, 2 valves per cylinder |
| Capacity: | 498 cc / 30.4 cu in | 247 cc / 15.1 cu-in | 1074 cc / 65.5 cu-in | 865 cc / 52.8 cu in | 399 cc / 24.4 cu-in |
| Bore x Stroke: | 88 x 82 mm | 53 x 56.0 mm | 72 x 66 mm | 90 x 68 mm | 57.5 х 38.5 mm |
| Compression Ratio: | 8.9:1 | 7.0:1 | 9.5:1 | 9.2:1 | 11.2:1 |
| Cooling System: | Air cooled | Air cooled | Air cooled | Air-cooled | Liquid cooled |
| Induction: | Mikuni 35SS, slingshot | Carburetor | 4 x 34mm Mikuni SS4SS carburetors | Multipoint Sequential Fuel injection | 4x Keihin CVK30 carburetors |
| Ignition: | PEI pointless | Capacitor discharge ignition | Transistorized pointless | Digital | Battery & coil |
| Max Power: | 26 kW / 36 hp @ 6500 rpm | 31 hp / 22.6 kW @ 8000 rpm | 72.9 kW / 100 hp @ 8700 rpm | 49 kW / 66 hp @ 7250 rpm | 62 hp / 46.2 kW @ 11500 rpm |
| Transmission: | 5 Speed constant mesh | 5 Speed | 5 Speed | 5 Speed | 6 Speed |
| Final Drive: | Chain, O-ring | Chain | Chain, 3/4 x 3/8 (No. 630) D.I.D. endless chain, 42/15, 2.8:1 | Chain, X-ring | Chain |
| Front Suspension: | Telescopic Showa 36mm, oil damped | Inner-spring telescopic fork | 37mm Kayaba telescopic fork | 41mm Kayaba telescopic forks | 39mm RWU telescopic forks |
| Rear Suspension: | Swinging arm , adjustable spring preload, gas/oil damped, adjustable compression damping | Shock absorber and swing arm | Kayaba dual shocks, adjustable spring preload | Kayaba chrome spring twin shocks with adjustable preload | Dual shocks preload adjustment |
| Front Brakes: | Drum, 150 mm, expanding | Drum | 2 x 275mm Discs | Single 310 mm disc, 2 piston Nissen floating calipers | 2x 298mm discs 6 piston calipers |
| Rear Brakes: | Drum, 150 mm, expanding | Drum | Single 275mm disc | Single 255 mm disc, 2 piston Nissen floating calipers | Single 240mm disc 2 piston caliper |
| Front Tyre: | 3.00-21 | 3.00 -18 | 3.50 V19 | 100/70 R17 | 110/80-17 |
| Rear Tyre: | 4.60-18 | 3.25 -18 | 4.50 V17 | 130/80 R17 | 150/70-18 |
| Fuel Capacity: | 9 Litres / 2.4 US gal / 2.0 Imp gal | 13.5 Litres / 3.57 US US gal | 19 Litres / 5.0 US gal / 4.2 Imp gal | 16.0 Litres / 4.2 US gal / 3.5 Imp gal | 16 Litres / 4.2 US gal |