| Engine | Yamaha R7 | Kawasaki Ninja 400 |
|---|---|---|
| Engine code | CP2 | |
| Displacement | 689 cc | 399 cc |
| Max power | 73 hp (@8 750 RPM) | 49 hp (@10 000 RPM) |
| Max torque | 49 lb ft (@6 500 RPM) | 28 lb ft (@8 000 RPM) |
| Redline | 10 000 RPM | 9 500 RPM |
| Idling speed | 1 200 RPM | 1 200 RPM |
| Management | Fuel Injection | Fuel Injection |
| Layout | DOHC Inline-2 | DOHC Inline-2 |
| Compression | 11.50:1 | 11.60:1 |
| Oil capacity | 2.18 quart | |
| Oil type | 10W40, 10W50 | |
| Spark plug type | NGK LMAR8A-9 | |
| Cooling | Liquid | Liquid |
| Valves | 8 | 8 |
| Bore | 80.0 mm | 70.0 mm |
| Stroke | 68.6 mm | 51.8 mm |
| Throttle bore | 32.0 mm | |
| Weight to power | 5.68 lbs/hp | 7.47 lbs/hp |
| Power to weight | 440 hp/2500lbs | 334 hp/2500lbs |
| Battery type | YTZ7S 12V 6Ah |
| Gearbox | Yamaha R7 | Kawasaki Ninja 400 |
|---|---|---|
| Type | Sequential | Sequential |
| Clutch | Slipper | Slipper |
| Drive | Chain | Chain |
| Chain type | ||
| Gears count | 0 | 6 |
| Primary ratio | 2.219 | |
| Final drive | 2.929 | |
| 1. gear | 2.846 | 2.929 (36 mph) |
| 2. gear | 2.125 | 2.056 (51 mph) |
| 3. gear | 1.632 | 1.619 (65 mph) |
| 4. gear | 1.3 | 1.333 (78 mph) |
| 5. gear | 1.091 | 1.154 (91 mph) |
| 6. gear | 0.964 | 1.037 (101 mph) |
| Chasis | Yamaha R7 | Kawasaki Ninja 400 |
|---|---|---|
| Frame type | Diamond steel frame | Steel trellis frame |
| Front susp. | KYB 41mm USD, 5.12 in travel | 41mm fork, 4.72 in travel |
| Rear susp. | Monoshock, 5.12 in travel | Monoshock, 5.12 in travel |
The Kawasaki Ninja 400 and Yamaha R7 are both incredibly popular sports bikes that have garnered a loyal following of enthusiasts all over the world. Here's a descriptive comparison of the two motorcycles: Basic Characteristics: The Kawasaki Ninja 400 is a lightweight, entry-level sportbike that boasts a liquid-cooled, 399cc parallel-twin engine that puts out 44 horsepower and 28 lb-ft of torque. It features a 6-speed transmission, ABS brakes, and a slipper clutch for smooth, effortless shifting. The bike has a sleek, aerodynamic style with sharp lines and aggressive angles. On the other hand, the Yamaha R7 is a more high-end offering that is designed for serious racers and professionals. It comes with a liquid-cooled, 689cc twin-cylinder engine that puts out 73 horsepower and 50 lb-ft of torque. It also boasts a 6-speed transmission, ABS brakes, and a quick shifter for lightning-fast gear shifts. The R7 has a distinctive, angular design that incorporates sharp lines and bold colors. Targeted Audiences: The Kawasaki Ninja 400 is aimed at beginners and intermediate riders who are looking for an affordable, entry-level sportbike that offers a good balance of power, agility, and ease of use. The bike is also popular with commuters in urban areas who want a nimble, fuel-efficient ride. In contrast, the Yamaha R7 is targeted at seasoned riders who crave speed, power, and precision. It is a high-performance machine that is built for track days, racing, and spirited riding on winding roads. The bike is also popular with collectors and enthusiasts who value its rarity and exclusivity. Best Points as Compared to Each Other: The Kawasaki Ninja 400 scores high on affordability, fuel efficiency, and ease of use. It is an excellent choice for beginner riders who want to experience the thrill of sportbiking without breaking the bank. Its light weight and nimble handling make it easy to maneuver through traffic, and its smooth power delivery makes it ideal for long-distance rides. The Yamaha R7, on the other hand, has several advantages over the Ninja 400 when it comes to sheer performance. It is faster, more powerful, and more agile than its Kawasaki counterpart, with a top speed of over 160mph. The R7 also boasts premium components such as Brembo brakes, fully adjustable suspension, and a lightweight aluminum frame. Its quick shifter and slipper clutch make it a joy |