| Engine | Yamaha R1M | Yamaha WR450F |
|---|---|---|
| Displacement | 998 cc | 449 cc |
| Max power | 200 hp (@13 500 RPM) | 50 hp (@8 500 RPM) |
| Max torque | 82 lb ft (@11 500 RPM) | 36 lb ft (@7 500 RPM) |
| Redline | 14 200 RPM | 11 500 RPM |
| Idling speed | 1 200 RPM | 1 900 RPM |
| Management | Fuel Injection | Fuel Injection |
| Layout | DOHC Inline-4 | DOHC Single |
| Compression | 13.00:1 | 12.30:1 |
| Oil capacity | 3.88 quart | 0.95 quart |
| Oil type | 10W40, 15W50 | 10W40 |
| Spark plug type | NGK LMAR9E-J | NGK CR8E |
| Cooling | Liquid | Liquid |
| Valves | 16 | 5 |
| Bore | 79.0 mm | 95.0 mm |
| Stroke | 50.9 mm | 63.4 mm |
| Throttle bore | 42.0 mm | |
| Weight to power | 2.22 lbs/hp | 5.47 lbs/hp |
| Power to weight | 1128 hp/2500lbs | 457 hp/2500lbs |
| Battery type | YTZ7S, 12V 6.0Ah | 12V 6Ah, YTZ7S (F) |
| Gearbox | Yamaha R1M | Yamaha WR450F |
|---|---|---|
| Type | Sequential | Sequential |
| Clutch | Slipper | Wet |
| Drive | Chain | Chain |
| Chain type | DAIDO 520VM2 114 links | |
| Gears count | 6 | 5 |
| Primary ratio | 1.634 | 2.652 |
| Final drive | 2.563 | 3.846 |
| 1. gear | 2.6 (99 mph) | 2.417 (37 mph) |
| 2. gear | 2.176 (119 mph) | 1.733 (52 mph) |
| 3. gear | 1.842 (140 mph) | 1.313 (68 mph) |
| 4. gear | 1.579 (164 mph) | 1.05 (84 mph) |
| 5. gear | 1.381 (188 mph) | 0.84 (106 mph) |
| 6. gear | 1.25 (207 mph) |
| Chasis | Yamaha R1M | Yamaha WR450F |
|---|---|---|
| Frame type | Diamond frame | Bilateral beam aluminum |
| Front susp. | 43mm Öhlins® electronic suspension USD 4.72 in travel | 48mm USD, 11.81 in travel |
| Rear susp. | Öhlins® electronic suspension w/single shock 4.72 in travel | Swingarm monoshock, 11.57 in travel |