Kawasaki Z 500 (1978) vs Kawasaki ZX-6R (2009) vs Yamaha YZF-R7 (2023) vs Voxan Street Scrambler (2004)
Comparison technical specifications
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| Make: | Kawasaki | Kawasaki | Yamaha | Voxan |
| Model: | Z 500 | ZX-6R | YZF-R7 | Street Scrambler |
| Years: | 1978 | 2009 | 2023 | 2004 |
| Engine: | Four stroke, transverse four cylinder, DOHC, 2 valve per cylinder. | Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder | Four stroke, parallel twin cylinder, DOHC, 4 valves per cylinder | Four stoke, 72°V-Twin cylinder, DOHC, 4 valves per cylinder |
| Capacity: | 497 cc / 30.3 cu-in | 599 cc / 36.6 cub in | 689 cc / 42.04 cu-in | 996 cc / 60.7 cu-in |
| Bore x Stroke: | 55 x 52.4 mm | 67 x 42.5mm | 80 x 68.6 mm | 98 x 66 mm |
| Cooling System: | Air cooled | Liquid cooled, | Liquid cooled | Liquid cooled |
| Compression Ratio: | 9.5:1 | 13.3:1 | 11.5:1 | 10.5:1 |
| Induction: | 4x 22mm TK | DFI® with four 38mm Keihin throttle bodies, oval sub-throttles, two injectors per throttle body | Mikuni 38 mm dual bore throttle body F.I. | Magneti Marelli electronic injection |
| Ignition: | CDI | TCBI with digital advance | TCI Transistor Controlled Ignition | Electronic |
| Starting: | Electric | Electric | Electric | Electric |
| Max Power: | 52 hp / 38.7 kW @ 9000 rpm | 94.1 kW / 128 hp @ 14000 rpm | 55 kW / 74.8 hp @ 8750 rpm | 85 hp / 62 kW @ 7500 rpm |
| Max Torque: | 4.5 kgf-m / 32.5 lb-ft @ 7500 rpm | 66.7 Nm / 6.8 kgf-m / 49.2 lb-ft @ 11800 rpm | 68 Nm / 50 lb-ft @ 6500 rpm | 103 Nm / 75.9 lb-ft @ 6500 rpm |
| Transmission: | 6 Speed | 6 Speed | 6 Speed constant mesh | 6 Speed |
| Final Drive: | Chain | Sealed Chain | Chain | Chain |
| Front Suspension: | Telescopic forks | 41 mm inverted Showa Big Piston Front fork with top-out springs, stepless compression and rebound damping, fully-adjustable spring preload, | 41mm Telescopic fork, adjustable for preload, rebound and compression | 43mm Paoli telescopic forks, 155mm wheel travel |
| Rear Suspension: | Dual shock | Bottom-Link Uni-Trak® with gas-charged shock, top-out spring and pillow ball upper mount, dual-range (high/low-speed) stepless compression damping, 25-way adjustable rebound damping, fully-adjustable spring preload | Linked-type Monocross shock, adjustable preload and rebound | Single shock, hydraulic adjusted. 160mm wheel travel. |
| Front Brakes: | 2x discs | 2x 300mm discs, 4 piston calipers | 2x 298mm discs, 4-piston calipers | 2x 296mm discs 2 piston calipers |
| Rear Brakes: | Single disc | Single 220mm disc, 1 piston caliper | Single 245mm disc, single piston caliper | Single 245mm disc 2 piston caliper |
| Front Tyre: | 3.25-19 | 120/70 ZR17 | 120/70ZR17M/C (58W) Tubeless | 100/90-19 |
| Rear Tyre: | 3.75-18 | 180/55 ZR17 | 180/55ZR17M/C (73W) Tubeless | 150/70-17 |
| Fuel Capacity: | 15 Litres / 3.9 US gal | 17 Litres / 4.5 US gal | 13 Litres / 3.4 US gal | 14.5 Litres / 3.8 US gal |