| Engine | Yamaha FZ1 | Yamaha FZ6-ST |
|---|---|---|
| Engine code | 5VX8 | |
| Displacement | 998 cc | 600 cc |
| Max power | 143 hp (@10 000 RPM) | 98 hp (@12 000 RPM) |
| Max torque | 105 Nm (@7 500 RPM) | 63 Nm (@10 000 RPM) |
| Redline | 11 500 RPM | 14 000 RPM |
| Idling speed | 1 050 RPM | 1 250 RPM |
| Management | Carburetor | Fuel Injection |
| Layout | DOHC Inline-4 | DOHC Inline-4 |
| Compression | 11.40:1 | 12.20:1 |
| Oil capacity | 3.00 litre | 2.50 litre |
| Oil type | YAMALUBE 4, 10W-30 | 10W40, Yamalube 10W40, Shell Rotella 10W40 |
| Spark plug type | NGK CR9E, DENSO U27ESR-N | NGK CR9EK |
| Cooling | Liquid | Liquid |
| Valves | 20 | 16 |
| Bore | 74.0 mm | 65.5 mm |
| Stroke | 58.0 mm | 44.5 mm |
| Throttle bore | 37.0 mm | |
| Weight to power | 1.62 kg/hp | 2.11 kg/hp |
| Power to weight | 619 hp/Ton | 473 hp/Ton |
| Battery type | GT14B-4, 12V 12Ah | YT12B-BS |
| Gearbox | Yamaha FZ1 | Yamaha FZ6-ST |
|---|---|---|
| Type | Sequential | Sequential |
| Clutch | Wet | Wet |
| Drive | Chain | Chain |
| Chain type | DID 50V4 | |
| Gears count | 6 | 6 |
| Primary ratio | 1.581 | 1.955 |
| Final drive | 2.75 | 2.875 |
| 1. gear | 2.5 (126 km/h) | 2.846 (104 km/h) |
| 2. gear | 1.842 (170 km/h) | 1.947 (152 km/h) |
| 3. gear | 1.5 (209 km/h) | 1.556 (190 km/h) |
| 4. gear | 1.333 (236 km/h) | 1.333 (222 km/h) |
| 5. gear | 1.2 (262 km/h) | 1.19 (248 km/h) |
| 6. gear | 1.115 (282 km/h) | 1.083 (273 km/h) |
| Chasis | Yamaha FZ1 | Yamaha FZ6-ST |
|---|---|---|
| Frame type | Double cradle steel | Diamond |
| Front susp. | 43mm fork, 140.00 mm travel | Telescopic fork, 130.00 mm travel |
| Rear susp. | Swingarm, 135.00 mm travel | Monoshock, coil spring/gas oil damper |