| Engine | Yamaha YBR 125 | Kawasaki Z750 |
|---|---|---|
| Displacement | 125 cc | 748 cc |
| Max power | 10 hp (@7 800 RPM) | 110 hp (@11 000 RPM) |
| Max torque | 6 lb ft (@6 000 RPM) | 56 lb ft (@7 800 RPM) |
| Redline | 10 000 RPM | 11 500 RPM |
| Idling speed | 1 250 RPM | 1 100 RPM |
| Management | Fuel Injection | Fuel Injection |
| Layout | SOHC Single | DOHC Inline-4 |
| Compression | 10.00:1 | 11.30:1 |
| Oil capacity | 1.14 quart | 3.60 quart |
| Oil type | 10W30, 10W40 | 10W40 |
| Spark plug type | NGK CR6HSA | NGK CR9EK |
| Cooling | Air | Liquid |
| Valves | 2 | 16 |
| Bore | 54.0 mm | 68.4 mm |
| Stroke | 54.0 mm | 50.9 mm |
| Throttle bore | 34.0 mm | |
| Weight to power | 28.66 lbs/hp | 4.41 lbs/hp |
| Power to weight | 87 hp/2500lbs | 566 hp/2500lbs |
| Battery type | YTX7L-BS, 12V 6Ah | 12V 8Ah |
| Gearbox | Yamaha YBR 125 | Kawasaki Z750 |
|---|---|---|
| Type | Sequential | Sequential |
| Clutch | Wet | Wet |
| Drive | Chain | Chain |
| Chain type | ||
| Gears count | 5 | 6 |
| Primary ratio | 3.4 | 1.714 |
| Final drive | 3.071 | 2.867 |
| 1. gear | 2.643 (26 mph) | 2.571 (67 mph) |
| 2. gear | 1.778 (39 mph) | 1.941 (89 mph) |
| 3. gear | 1.316 (53 mph) | 1.555 (111 mph) |
| 4. gear | 1.045 (66 mph) | 1.333 (129 mph) |
| 5. gear | 0.875 (79 mph) | 1.2 (144 mph) |
| 6. gear | 1.095 (158 mph) |
| Chasis | Yamaha YBR 125 | Kawasaki Z750 |
|---|---|---|
| Frame type | Diamond steel | |
| Front susp. | Telescopic fork, 110mm | 51mm fork |
| Rear susp. | Swingarm, 4.13 in travel |