Kawasaki GPX 600R Ninja / ZX 600R (1987-88) vs BMW R 60/5 (1971-73) vs Suzuki Boulevard C50 SE (2005-06) vs Victory Kingpin Deluxe (2005) vs Kawasaki ZZ-R 1200 / ZX-12C (2002) vs Ducati 350 Scrambler (1968-71) vs Suzuki Boulevard S40 (2007-08) vs Suzuki DL 650XT V-Strom (2021-22) vs Benelli 250 Quattro (1975)
Comparison technical specifications
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| Make: | Kawasaki | BMW | Suzuki | Victory | Kawasaki | Ducati | Suzuki | Suzuki | Benelli |
| Model: | GPX 600R Ninja / ZX 600R | R 60/5 | Boulevard C50 SE | Kingpin Deluxe | ZZ-R 1200 / ZX-12C | 350 Scrambler | Boulevard S40 | DL 650XT V-Strom | 250 Quattro |
| Years: | 1987-88 | 1971-73 | 2005-06 | 2005 | 2002 | 1968-71 | 2007-08 | 2021-22 | 1975 |
| Engine: | Four stroke, transverse four cylinders, DOHC, 4 valve per cylinder | Four stroke, two cylinder horizontally opposed Boxer, pushrod operated 2 valves per cylinder. | Four stroke, 45° V-Twin | Four stroke, 50° V twin SOHC, 4 valves per cylinder, self-adjusting cam chains, hydraulic lifters | Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder. | Four stroke, single cylinder, SOHC, bevel gear driven | Four stroke, single cylinder, SOHC | Four stroke, 90°V-twin, DOHC, 4 valves per cylinder | Four stroke, transverse four cylinder, OHV |
| Capacity: | 598 cc / 36.1 cu-in | 599 cc / 36.6 cu in. | 805cc / 49.1 cu-in | 1507 cc / 91.9 cu-in | 1164 cc / 71.0 cu-in | 340.2cc / 20.8 cu in | 652 cc / 39.8 cu-in | 645 cc / 39.4 cu-in | 231.4 cc / 14.1 cu in |
| Bore x Stroke: | 60 x 52.4 mm | 73.5 x 70.6 mm | 83 x 74.4 mm | 97 x 102 mm | 78 x 59 mm | 76 x 75 mm | 94 x 94.0 mm | 81 x 62.6 mm | 44 x 38 mm |
| Compression Ratio: | 11.71 | 9.2:1 | 9.4:1 | 9.2:1 | 10.6:1 | 10:1 | 8.5:1 | 11.2:1 | 11.5:1 |
| Induction: | 4x 32mm Keihin CV carburetors | 2 x Bing slide carburetors | Mikuni BDSR34 | Electronic Fuel Injection with 44mm throttle bodies | 4x Keihin CVKD40, TPS | Dell'Orto SS1 29D | Mikuni BS40 | Fuel Injection, SDTV-equipped | 2 x 26 mm Dell'Orto VHB carburetors |
| Starting: | Electric | Kick | Electric | Electric | Electric | Kick | Electric | Electric | Kick start |
| Transmission: | 6 Speed | 4 Speed | 5 Speed | 5 Speed | 6 Speed | 5 Speed | 5 Speed | 6 Speed | 5 Speed |
| Final Drive: | Chain | Shaft | Shaft | Carbon Fiber Reinforced Belt | Chain | Chain | Belt | Chain | Chain |
| Front Suspension: | 38mm Telescopic with electronic anti-drive. | Telescopic hydraulic forks | Telescopic forks, coil spring oil damping | Inverted cartridge telescopic fork | Cartridge-style fork with preload adjustment | 35 mm Marzocchi telecsopic hydraulic fork | Telescopic 38 mm stanchions, coil spring, oil damped | 43mm Telescopic, coil spring, oil damped | Hydraulic telescopic forks |
| Rear Suspension: | Rising rate monoshock with adjustable preload and rebounding preload. | Long swinging arm with strut | Link-type single shock, 7-way adjustable preload | Single, mono-tube gas forged and cast aluminum w/ rising-rate linkage 100mm wheel travel, preload adjustable spring | UNI-TRAK® system with remote reservoir shock with preload adjustment | Swingarm, Dual Marzocchi shocks | Twin shock, 5-way adjustable spring preload | Link type, with adjustable rebound and spring preload | Swinging arm with double adjustable shocks and concentric springs |
| Front Brakes: | 2x 270mm discs | ∅200mm Drum | Single 300 mm disc 2 piston caliper | Single 300mm floating rotor 4 piston caliper | 2x 320mm discs 6 piston calipers | 180 mm Drum | 265 mm Single disc | 2 x 310 mm disc, 2 piston calipers | Single 260 mm Disc |
| Rear Brakes: | Single 130mm disc | ∅200mm Drum | Drum, 180 mm | Single 300mm floating rotor 2 piston caliper | Single 250mm disc 2 piston caliper | 160 mm Drum | Drum, rod operated | Single 260 mm disc, 1 piston caliper | Drum, 156 mm Ø |
| Front Tyre: | 110/80 V16 | 3.25 - S19 | 130/90-16M/C 67H | 130/70-18 | 120/70 ZR17 | 3.50 -19, Pirelli | 100/90-19 57H, tube type | 110/80R19 M/C (59V), tubeless | 3.00-18 |
| Rear Tyre: | 130/90 V16 | 4.00 - S18 | 170/80-15M/C 77H | 180/55-B18 | 180/55-ZR17 | 4.00 -18, Pirelli | 140/80-15 67H, tube type | 150/70R17 M/C (69V), tubeless | 3.25-18 |
| Fuel Capacity: | 19.5 Litres / 5.1 US gal | 24 liters / 6.3 US gal | 15.5 Litres / 4.1 US gal | 17 Litres / 4.5 US gal | 23 Litres / 6.0 US gal | 10 Litres / 2.6 US gal / 2.2 Imp gal | 10.5 Litres / 2.6 US gal | 20 Litres / 5.3 US gal | 11.5 Litres / 3.0 US gal |