Yamaha 225hp V6 Offshore (Digital (DEC)) vs Mercury 225 OptiMax (2-Stroke)

Yamaha

225hp V6 Offshore (Digital (DEC))

2020 · 225 HP · 4-Stroke
VS
Mercury

225 OptiMax (2-Stroke)

2010 · 225 HP · 2-Stroke
Spec Yamaha 225hp V6 Offshore (Digital (DEC)) Mercury 225 OptiMax (2-Stroke)
Power & Performance
Horsepower 225 HP 225 HP
Displacement 4169 cc ← 3032 cc
Configuration 6 Cyl / V6 60° DOHC 6 Cyl / V6 60°
Weights & Dimensions
Dry Weight 255 kg (562 lbs) 225 kg (496 lbs) ←
Mechanical & Electrical
Gear Ratio 1.75:1 1.75:1
Alternator 630 W 756 W ←
Fuel Delivery EFI with VCT DFI (Direct Injection)
Maintenance
Spark Plug NGK LFR6A-11 NGK IZFR6J
Engine Oil Yamalube 4-M OptiMax / DFI Synthetic Blend

Technical Comparison Analysis

Power & Displacement

Comparing the Yamaha 225hp V6 Offshore (Digital (DEC)) and Mercury 225 OptiMax (2-Stroke) shows a displacement difference of 1137cc. 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 Mercury is the lighter option at 225kg, offering a weight saving of 30kg 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 756W 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.