Yamaha 300hp V6 Offshore (Mechanical) vs Mercury 275hp Verado (L6)

Yamaha

300hp V6 Offshore (Mechanical)

2020 · 300 HP · 4-Stroke
VS
Mercury

275hp Verado (L6)

2008 · 275 HP · 4-Stroke
Spec Yamaha 300hp V6 Offshore (Mechanical) Mercury 275hp Verado (L6)
Power & Performance
Horsepower 300 HP 275 HP
Displacement 4169 cc ← 2598 cc
Configuration 6 Cyl / V6 60° DOHC 6 Cyl / Inline 6 Supercharged
Weights & Dimensions
Dry Weight 255 kg (562 lbs) ← 288 kg (635 lbs)
Mechanical & Electrical
Gear Ratio 1.75:1 1.85:1
Alternator 882 W 1008 W ←
Fuel Delivery EFI with VCT EFI + Supercharger
Maintenance
Spark Plug NGK LFR6A-11 NGK ILFR6G-E
Engine Oil Yamalube 4-M Mercury 25W-40 Synthetic

Technical Comparison Analysis

Power & Displacement

Comparing the Yamaha 300hp V6 Offshore (Mechanical) and Mercury 275hp Verado (L6) shows a displacement difference of 1571cc. The Yamaha features a larger 4169cc 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 255kg, offering a weight saving of 33kg 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 1008W alternator. Choosing the right power-to-weight profile between these two 4-stroke engines depends heavily on your specific boat's displacement and daily power requirements.