| Engine | Kawasaki Ninja 400 | Yamaha R6 |
|---|---|---|
| Displacement | 399 cc | 600 cc |
| Max power | 49 hp (@10 000 RPM) | 121 hp (@13 000 RPM) |
| Max torque | 28 lb ft (@8 000 RPM) | 44 lb ft (@12 000 RPM) |
| Redline | 9 500 RPM | 15 500 RPM |
| Idling speed | 1 200 RPM | |
| Management | Fuel Injection | Fuel Injection |
| Layout | DOHC Inline-2 | DOHC Inline-4 |
| Compression | 11.60:1 | 12.40:1 |
| Oil capacity | 3.22 quart | |
| Oil type | 10W40, Motul 300V 10W40, Shell Rotella 10W40 | |
| Spark plug type | NGK CR9EK, NGK CR10EK | |
| Cooling | Liquid | Liquid |
| Valves | 8 | 16 |
| Bore | 70.0 mm | 65.5 mm |
| Stroke | 51.8 mm | 44.5 mm |
| Throttle bore | 32.0 mm | 38.0 mm |
| Weight to power | 7.47 lbs/hp | 3.32 lbs/hp |
| Power to weight | 334 hp/2500lbs | 753 hp/2500lbs |
| Battery type | 12 V 8 Ah, GT9B-4 |
| Gearbox | Kawasaki Ninja 400 | Yamaha R6 |
|---|---|---|
| Type | Sequential | Sequential |
| Clutch | Slipper | Wet |
| Drive | Chain | Chain |
| Chain type | ||
| Gears count | 6 | 6 |
| Primary ratio | 2.219 | 1.955 |
| Final drive | 2.929 | 3.0 |
| 1. gear | 2.929 (36 mph) | 2.846 (68 mph) |
| 2. gear | 2.056 (51 mph) | 1.947 (100 mph) |
| 3. gear | 1.619 (65 mph) | 1.556 (125 mph) |
| 4. gear | 1.333 (78 mph) | 1.333 (146 mph) |
| 5. gear | 1.154 (91 mph) | 1.19 (164 mph) |
| 6. gear | 1.037 (101 mph) | 1.083 (180 mph) |
| Chasis | Kawasaki Ninja 400 | Yamaha R6 |
|---|---|---|
| Frame type | Steel trellis frame | Diamond |
| Front susp. | 41mm fork, 4.72 in travel | Telescopic fork USD, 4.72 in travel |
| Rear susp. | Monoshock, 5.12 in travel | Swingarm link, spring/gas-oil damper |
The 2003-2004 Yamaha R6 and 2018-2020 Kawasaki Ninja 400 are legendary motorcycles with their unique features, targeted at different audiences. Basic Characteristics: The 2003-2004 Yamaha R6 boasts of a 4-stroke, 4-cylinder, and liquid-cooled engine that produces 108 horsepower. It has a sleek, aerodynamic design and weighs 357 pounds. On the other hand, the 2018-2020 Kawasaki Ninja 400 has a 4-stroke, parallel-twin, and liquid-cooled engine that outputs 44 horsepower, making it more economical and fuel-efficient. It weighs 366 pounds and has an eye-catching, sporty design. Targeted Audience: The Yamaha R6 is primarily designed for serious motorcycle enthusiasts who seek adrenaline, speed, and performance. It's ideal for advanced riders who prefer high-speed maneuverability and agility on both the track and the streets. On the other hand, Kawasaki Ninja 400 is designed for entry-level bikers who are learning to ride or want a lightweight and beginner-friendly bike with reasonable performance. Best Points Compared to Each Other: The Yamaha R6 has a more powerful engine that makes it faster, sharper, and more responsive on the road. It’s great for those who want to try their hand at racing or prefer thrill-seeking, high-speed riding. On the other hand, the Ninja 400 is affordable, easy to ride, and has a comfortable riding position suitable for longer rides. Additionally, it's more fuel-efficient, making it an economic choice for daily commuters or riders looking to save some bucks. Areas Where They Shine and Let Down: The Yamaha R6 stands out in its top-end performance, precise handling, and sporty design. It's great for racing, aggressive riding, and showing off on the street. However, it's not ideal for extended rides or at lower speeds. Additionally, its high-end fuel and maintenance costs make it less practical for some riders. On the other hand, the Kawasaki Ninja 400 shines when it comes to rider comfort, fuel economy, and ease of use. It's perfect for beginner riders, daily commuting, and longer trips. However, it might not satisfy experienced riders looking for more power and speed. In conclusion, both the Yamaha R6 and Kawasaki Ninja 400 are impressive motorcycles that cater to different audiences with varying needs. When choosing between them, understanding one's riding style, skill level |