Mercury 85hp (Inline-4) vs Suzuki DF80A (Lean Burn)

Mercury

85hp (Inline-4)

1975 · 85 HP · 2-Stroke
VS
Suzuki

DF80A (Lean Burn)

2015 · 80 HP · 4-Stroke
Spec Mercury 85hp (Inline-4) Suzuki DF80A (Lean Burn)
Power & Performance
Horsepower 85 HP 80 HP
Displacement 1090 cc 1502 cc ←
Configuration 4 Cyl / Inline 4 Cyl / Inline
Weights & Dimensions
Dry Weight 95 kg (209 lbs) ← 155 kg (342 lbs)
Mechanical & Electrical
Gear Ratio 2.3 2.59:1
Alternator 201 W 388 W ←
Fuel Delivery Carbureted Sequential EFI
Maintenance
Spark Plug NGK BUHW (Surface Gap) NGK DCPR6E
Engine Oil TC-W3 2-Stroke 10W-40 FC-W

Technical Comparison Analysis

Power & Displacement

Comparing the Mercury 85hp (Inline-4) and Suzuki DF80A (Lean Burn) shows a displacement difference of 412cc. The Suzuki features a larger 1502cc 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 95kg, offering a weight saving of 60kg 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 Suzuki offers the best charging performance with a 388W 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.