| Engine | Yamaha MT-15 | Kawasaki Z400 |
|---|---|---|
| Engine code | LC 4V | |
| Displacement | 155 cc | 399 cc |
| Max power | 19 hp (@10 000 RPM) | 45 hp (@10 000 RPM) |
| Max torque | 11 lb ft (@8 500 RPM) | 28 lb ft (@8 000 RPM) |
| Redline | 11 000 RPM | 12 000 RPM |
| Idling speed | 1 100 RPM | 1 300 RPM |
| Management | Fuel Injection | Fuel Injection |
| Layout | SOHC Single | DOHC Inline-2 |
| Compression | 11.60:1 | 11.50:1 |
| Oil capacity | 0.80 quart | 1.89 quart |
| Oil type | 10W40 | SAE 10W40 |
| Spark plug type | NGK MR8E9 | NGK LMAR9G |
| Cooling | Liquid | Liquid |
| Valves | 4 | 8 |
| Bore | 58.0 mm | 70.0 mm |
| Stroke | 58.7 mm | 51.8 mm |
| Throttle bore | 32.0 mm | |
| Weight to power | 16.01 lbs/hp | 8.18 lbs/hp |
| Power to weight | 156 hp/2500lbs | 305 hp/2500lbs |
| Battery type | 12V 4Ah, YTZ4V | 12V 8Ah |
| Gearbox | Yamaha MT-15 | Kawasaki Z400 |
|---|---|---|
| Type | Sequential | Sequential |
| Clutch | Wet | Wet |
| Drive | Chain | Chain |
| Chain type | RK 428 | 520 |
| Gears count | 6 | 6 |
| Primary ratio | 3.042 | 2.219 |
| Final drive | 3.714 | 2.929 |
| 1. gear | 2.833 (25 mph) | 2.929 (45 mph) |
| 2. gear | 1.875 (38 mph) | 2.056 (65 mph) |
| 3. gear | 1.364 (52 mph) | 1.619 (82 mph) |
| 4. gear | 1.143 (63 mph) | 1.333 (99 mph) |
| 5. gear | 0.957 (75 mph) | 1.154 (115 mph) |
| 6. gear | 0.84 (85 mph) | 1.037 (127 mph) |
| Chasis | Yamaha MT-15 | Kawasaki Z400 |
|---|---|---|
| Frame type | Deltabox steel | Trellis frame |
| Front susp. | Telescopic fork, 5.12 in travel | 41mm fork, 4.72 in travel |
| Rear susp. | Monoshock, 3.82 in travel | Monoshock, 5.12 in travel |