Mercury
500R Racing V8
VS
Yamaha
XTO Offshore 450 V8
| Feature | Mercury 500R Racing V8 | Yamaha XTO Offshore 450 V8 |
|---|---|---|
| Power & Performance | ||
| Horsepower | 500 HP | 450 HP |
| Displacement | 4572 cc | 5559 cc ← |
| Configuration | 8 Cyl / V8 64° Supercharged | 8 Cyl / V8 60° |
| Weights & Dimensions | ||
| Dry Weight | 329 kg (725 lbs) ← | 437 kg (964 lbs) |
| Mechanical & Electrical | ||
| Gear Ratio | 1.60:1 | 1.79:1 |
| Alternator | W | 1224 W |
| Fuel Delivery | EFI | Direct Injection |
| Maintenance | ||
| Spark Plug | NGK LKAR7C-9 | — |
| Engine Oil | Mercury Racing 25W-50 | Yamalube 4-Stroke |