Mercury 135hp V6 OptiMax vs Yamaha F130 EFI
135hp V6 OptiMax
F130 EFI
| Spec | Mercury 135hp V6 OptiMax | Yamaha F130 EFI |
|---|---|---|
| Power & Performance | ||
| Horsepower | 135 HP | 130 HP |
| Displacement | 2507 cc ← | 1832 cc |
| Configuration | 6 Cyl / V6 60° | 4 Cyl / Inline |
| Weights & Dimensions | ||
| Dry Weight | 195 kg (430 lbs) | 172 kg (379 lbs) ← |
| Mechanical & Electrical | ||
| Gear Ratio | 1.87:1 | 2.15:1 |
| Alternator | 720 W ← | 420 W |
| Fuel Delivery | DFI (Direct Injection) | EFI |
| Maintenance | ||
| Spark Plug | NGK IZFR5G (Iridium) | NGK LFR6A-11 |
| Engine Oil | Mercury OptiMax/DFI Oil | 10W-30 FC-W |
Technical Comparison Analysis
Power & Displacement
Comparing the Mercury 135hp V6 OptiMax and Yamaha F130 EFI shows a displacement difference of 675cc. The Mercury features a larger 2507cc block, which typically provides superior low-end torque and better hole-shot performance when pushing heavy loads or reaching planning speeds.
Weight & Rigging
In terms of transom weight, the Yamaha is the lighter option at 172kg, offering a weight saving of 23kg over its competitor. This weight reduction is critical for smaller hulls or boats with limited transom capacity where every kilogram affects the center of gravity and drainage efficiency.
Electrical & Features
For boats equipped with modern electronics, sonar, and shallow-water anchors, the Mercury offers the best charging performance with a 720W alternator. Choosing the right power-to-weight profile between these two 2-stroke engines depends heavily on your specific boat's displacement and daily power requirements.