| Engine | Harley Davidson Roadster | Yamaha XSR900 |
|---|---|---|
| Engine code | Evolution 1200 | |
| Displacement | 1202 cc | 847 cc |
| Max power | 72 hp (@5 700 RPM) | 113 hp (@10 000 RPM) |
| Max torque | 75 lb ft (@3 750 RPM) | 64 lb ft (@8 500 RPM) |
| Redline | 6 000 RPM | 11 250 RPM |
| Idling speed | 1 200 RPM | 1 200 RPM |
| Management | Fuel Injection | Fuel Injection |
| Layout | OHV V-twin | DOHC Inline-3 |
| Compression | 10.00:1 | 11.50:1 |
| Oil capacity | 2.46 quart | 2.56 quart |
| Oil type | 10W40, YAMALUBE 10W40 | |
| Spark plug type | NGK CPR9EA9 | |
| Cooling | Liquid | Liquid |
| Valves | 12 | |
| Bore | 88.9 mm | 78.0 mm |
| Stroke | 96.8 mm | 59.0 mm |
| Weight to power | 7.90 lbs/hp | 3.80 lbs/hp |
| Power to weight | 316 hp/2500lbs | 657 hp/2500lbs |
| Battery type | 12V 12Ah | 12V 8.6Ah |
| Gearbox | Harley Davidson Roadster | Yamaha XSR900 |
|---|---|---|
| Type | Sequential | Sequential |
| Clutch | Wet | Wet |
| Drive | Belt | Chain |
| Chain type | 525 | |
| Gears count | 5 | 6 |
| Primary ratio | 1.5 | 1.681 |
| Final drive | 2.345 | 2.813 |
| 1. gear | 2.648 (50 mph) | 2.667 (66 mph) |
| 2. gear | 1.891 (70 mph) | 2.0 (88 mph) |
| 3. gear | 1.406 (95 mph) | 1.619 (108 mph) |
| 4. gear | 1.166 (114 mph) | 1.381 (127 mph) |
| 5. gear | 0.999 (134 mph) | 1.19 (147 mph) |
| 6. gear | 1.037 (169 mph) |
| Chasis | Harley Davidson Roadster | Yamaha XSR900 |
|---|---|---|
| Frame type | Mild steel, tubular frame | Diamond |
| Front susp. | 43mm USD forks, 4.53 in travel | KYB USD, 5.39 in travel |
| Rear susp. | Variable rate spring, 3.19 in travel | Swingarm, 5.12 in travel |