Suzuki GSX-R 750 (1995) vs BMW R 67/2 (1952-54) vs Yamaha RD 250 (1978) vs Kawasaki Zephyr 400 (1995-97) vs Benelli 654 Turismo (1980) vs Victory Vegas (2003-05) vs Ducati Monster 1100S (2009) vs Yamaha XJ 600N (1995-97)
Comparison technical specifications
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| Make: | Suzuki | BMW | Yamaha | Kawasaki | Benelli | Victory | Ducati | Yamaha |
| Model: | GSX-R 750 | R 67/2 | RD 250 | Zephyr 400 | 654 Turismo | Vegas | Monster 1100S | XJ 600N |
| Years: | 1995 | 1952-54 | 1978 | 1995-97 | 1980 | 2003-05 | 2009 | 1995-97 |
| Engine: | Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder. | Four stroke, two cylinder horizontally opposed Boxer, pushrod operated 2 valves per cylinder. | Two stroke, torque induction, parallel twin | Four stroke parallel twin cylinder. DOHC, 2 valves per cylinder | Four stroke, transverse four cylinder, DOHC, 2 valves per cylinder | Four stroke, 50° V twin SOHC, 4 valves per cylinder, self-adjusting cam chains, hydraulic lifters | Four stroke, 90° “L” twin cylinder, SOHC, desmodromic 2 valves per cylinder | Four stroke, transverse four cylinder, DOHC, 2 valves per cylinder |
| Capacity: | 749 c / 45.7 cub. in. | 594 cc / 36.2 cu in | 247 cc / 15.0 cu-in | 399 cc / 24.4 cu-in | 603.9 cc / 36.9 cu in | 1507 cc / 91.9 cu-in | 1078 cc / 65.8 cu in | 599 cc / 36.5 cu-in |
| Bore x Stroke: | 70 x 48.7 mm | 72 x 73 mm | 54 х 54 mm | 55 х 42 mm | 60 x 53.4 mm | 97 x 102 mm | 98 x 71.5 mm | 58.5 x 55.7 mm |
| Compression Ratio: | 11.8:1 | 6.2:1 | 6.7:1 | 9.7:1 | 9.3:1 | 9.2:1 | 11.3:1 | 10:1 |
| Cooling System: | Liquid cooled | Air cooled | Air cooled | Air cooled | Air cooled | Air/oil cooled | Air cooled | Air cooled |
| Induction: | 4 x TRM40 carburetors | 2 x Bing 1/24/15 - 1/24/16 or 1/24/25 - 1/24/26 carburetors | 2x Mikuni VM28 SC carburetor | 4X Keihin CVK30 carburetors | 4 x 22mm Dell'Orto carbs | Electronic fuel injection with 44mm throttle bodies | Siemens electronic fuel injection, 45mm throttle bodies | 4x 28mm Mikuni BDS28 downdraft carburettors |
| Starting: | Electric | Kick | Kick | Electric | Electric | Electric | Electric | Electric |
| Clutch: | Cable operated, wet multiple, coil spring | Single plate, dry | Wet multi-plate | Wet multi disc | Wet sump | Wet/multi-plate | Dry multiplate with hydraulic control | Wet multiple plate type |
| Transmission: | 6 Speed, constant mesh | 4 Speed | 6 Speed | 6 Speed | 5 Speed | 5 Speed | 6 Speed | 6 Speed |
| Final Drive: | #530 Chain, O-ring sealed, 108 links | Shaft | Chain | Chain | Chain | Carbon fiber reinforced belt | Chain; front sprocket 15; rear sprocket 39 | Chain |
| Front Suspension: | Showa 43 mm cartridge style upside-down forks, preload, compression and rebound adjustable | Telescopic front fork with hydraulic damping; plunger type | Telescopic forks | Telescopic forks | Tele-hydraulic forks | 43mm Conventional telescopic fork | Öhlins 43mm fully adjustable upside-down forks with TiN | 38mm Telescopic forks, no adjustment |
| Rear Suspension: | Full floater, preload, compression and rebound adjustable | Spring with coil compression springs and rubber deflection stops | Dual shocks | Dual shocks | Swinging arm, adjustable shocks | Single, mono-tube gas forged and cast aluminum with rising-rate linkage adjustable spring | Progressive with preload and rebound Öhlins adjustable monoshock | Monocross monoshock adjustable for preload |
| Front Brakes: | 2 x 310 mm Discs, 6 piston Nissin calipers | ∅200mm Drum duplex full hub | Single 267mm disc | 2x discs | 2 x 265 mm discs | Single 300mm floating rotor 4 piston caliper | 2 x 320 mm Discs, 4 piston radial caliper | Single 320mm disc 2 piston caliper |
| Rear Brakes: | Single 280 mm disc, 2 piston Nissin caliper | ∅200mm Drum simplex full hub | Single 267mm disc | Single disc | Single 260 mm disc | Single 300mm floating rotor 2 piston caliper | Single 245 mm disc, 2 piston caliper | Single 245mm disc 1 piston caliper |
| Front Tyre: | 120/70 ZR17 | 3.50 -19" | 3.00S-18-4PR | 110/80-17 | 3.25 -18 | 80/90-21 | 120/70 ZR17 | 110/80H17 |
| Rear Tyre: | 180/55 ZR17 | 3.50 -19" | 3.50S-18-4PR | 140/70-18 | 3.50 -18 | 180/55-B18 | 180/55 ZR17 | 130/70H18 |
| Fuel Capacity: | 21 Litres / 5.5 US gal / 4.6 Imp gal | 17 liters / 4.4 US gal | 16.5 Liters / 4.2 US gal | 14 Litres / 3.6 US gal | 12 Litres / 3.2 US gal | 17 Litres / 4.5 US gal | 15 L / 4.0 US gal / 3.3 Imp gal | 17 Litres / 4.4 US gal |