| Engine | Yamaha R6 | Harley Davidson Sportster 1200 Custom |
|---|---|---|
| Engine code | Evolution 1200 | |
| Displacement | 600 cc | 1202 cc |
| Max power | 121 hp (@13 000 RPM) | 67 hp (@5 700 RPM) |
| Max torque | 44 lb ft (@12 000 RPM) | 72 lb ft (@3 200 RPM) |
| Redline | 15 500 RPM | 6 000 RPM |
| Idling speed | 1 050 RPM | |
| Management | Fuel Injection | Fuel Injection |
| Layout | DOHC Inline-4 | OHV V-twin |
| Compression | 12.40:1 | 10.00:1 |
| Oil capacity | 3.22 quart | 2.46 quart |
| Oil type | 10W40, Motul 300V 10W40, Shell Rotella 10W40 | 10W40, Motul 5100 |
| Spark plug type | NGK CR9EK, NGK CR10EK | HD 6R12 |
| Cooling | Liquid | Air |
| Valves | 16 | 4 |
| Bore | 65.5 mm | 88.9 mm |
| Stroke | 44.5 mm | 96.8 mm |
| Throttle bore | 38.0 mm | |
| Weight to power | 3.32 lbs/hp | 8.82 lbs/hp |
| Power to weight | 753 hp/2500lbs | 283 hp/2500lbs |
| Battery type | 12 V 8 Ah, GT9B-4 |
| Gearbox | Yamaha R6 | Harley Davidson Sportster 1200 Custom |
|---|---|---|
| Type | Sequential | Sequential |
| Clutch | Wet | Wet |
| Drive | Chain | Belt |
| Chain type | ||
| Gears count | 6 | 5 |
| Primary ratio | 1.955 | 1.5 |
| Final drive | 3.0 | 2.344 |
| 1. gear | 2.846 (68 mph) | 2.56 (50 mph) |
| 2. gear | 1.947 (100 mph) | 1.829 (71 mph) |
| 3. gear | 1.556 (125 mph) | 1.36 (95 mph) |
| 4. gear | 1.333 (146 mph) | 1.127 (114 mph) |
| 5. gear | 1.19 (164 mph) | 0.967 (134 mph) |
| 6. gear | 1.083 (180 mph) |
| Chasis | Yamaha R6 | Harley Davidson Sportster 1200 Custom |
|---|---|---|
| Frame type | Diamond | Tubular steel |
| Front susp. | Telescopic fork USD, 4.72 in travel | 39 mm front forks |
| Rear susp. | Swingarm link, spring/gas-oil damper | Coil-over |