| Engine | Yamaha R7 | Kawasaki Z900 |
|---|---|---|
| Engine code | CP2 | |
| Displacement | 689 cc | 948 cc |
| Max power | 73 hp (@8 750 RPM) | 125 hp (@9 500 RPM) |
| Max torque | 49 lb ft (@6 500 RPM) | 72 lb ft (@7 700 RPM) |
| Redline | 10 000 RPM | 10 500 RPM |
| Idling speed | 1 200 RPM | 1 100 RPM |
| Management | Fuel Injection | Fuel Injection |
| Layout | DOHC Inline-2 | DOHC Inline-4 |
| Compression | 11.50:1 | 11.80:1 |
| Oil capacity | 2.18 quart | 3.79 quart |
| Oil type | 10W40, 10W50 | |
| Spark plug type | NGK LMAR8A-9 | NGK CR9EIA-9 |
| Cooling | Liquid | Liquid |
| Valves | 8 | 16 |
| Bore | 80.0 mm | 73.4 mm |
| Stroke | 68.6 mm | 56.0 mm |
| Weight to power | 5.68 lbs/hp | 3.70 lbs/hp |
| Power to weight | 440 hp/2500lbs | 674 hp/2500lbs |
| Battery type | YTZ7S 12V 6Ah | 12 V 8 Ah, YTX9-BS |
| Gearbox | Yamaha R7 | Kawasaki Z900 |
|---|---|---|
| Type | Sequential | Sequential |
| Clutch | Slipper | Wet |
| Drive | Chain | Chain |
| Chain type | ||
| Gears count | 0 | 6 |
| Primary ratio | 1.627 | |
| Final drive | 2.933 | |
| 1. gear | 2.846 | 2.692 (60 mph) |
| 2. gear | 2.125 | 2.059 (79 mph) |
| 3. gear | 1.632 | 1.65 (98 mph) |
| 4. gear | 1.3 | 1.409 (115 mph) |
| 5. gear | 1.091 | 1.222 (133 mph) |
| 6. gear | 0.964 | 1.034 (157 mph) |
| Chasis | Yamaha R7 | Kawasaki Z900 |
|---|---|---|
| Frame type | Diamond steel frame | Tubular backbone (with engine subframe), high tensile steel |
| Front susp. | KYB 41mm USD, 5.12 in travel | 41 mm inverted fork (120 mm travel) |
| Rear susp. | Monoshock, 5.12 in travel | Bottom-Link Uni-Trak (137 mm travel) |
The 2017-2019 Kawasaki Z900 and the 2022 Yamaha R7 are two popular motorcycles that are known for their speed, agility, and sleek design. The Kawasaki Z900 is a naked sports motorcycle that comes with a powerful 948cc engine, producing 125 horsepower and 99Nm of torque. On the other hand, the Yamaha R7 is a fully-faired supersport motorcycle that packs a 689cc engine, producing 73 horsepower and 67Nm of torque. In terms of their targeted audiences, the Kawasaki Z900 is aimed at riders who are looking for a powerful naked sports motorcycle that can provide an adrenaline-pumping riding experience. Its sleek design, precise handling, and powerful engine make it a popular choice among seasoned riders. On the other hand, the Yamaha R7 is aimed at riders who are looking for a fully-faired supersport motorcycle that is designed for racing purposes. Its lightweight body, powerful engine, and aerodynamic design make it an ideal choice for competitive racing. When it comes to the best points of each motorcycle, the Kawasaki Z900 stands out for its powerful engine, precise handling, and advanced electronics, including a traction control system and ABS. It also has a comfortable riding position, making it an ideal choice for long-distance touring. On the other hand, the Yamaha R7 stands out for its lightweight body, advanced suspension system, and aggressive design. It also comes with advanced electronics, including a quick-shifter and various riding modes, which make it ideal for competitive racing. However, there are areas where they let down too. The Kawasaki Z900 could be better with better-tuned suspension and more comfortable seat for the rider. The Yamaha R7 is less comfortable with a higher-priced machine, difficult to ride for short riders due to seat height, and with some engine vibrations. Overall, the 2017-2019 Kawasaki Z900 and the 2022 Yamaha R7 offer their distinct advantages and disadvantages. For riders looking for a powerful and comfortable naked sports motorcycle, the Kawasaki Z900 is an excellent choice. For riders who are looking for a fully-faired supersport motorcycle that is designed for racing purposes, the Yamaha R7 is the perfect choice. However, both models are great for experienced riders who are looking to add a new thrill to their riding experience. |