Chrysler 3.5hp (2-Stroke) vs Johnson 3.5hp (4-Stroke)

Chrysler

3.5hp (2-Stroke)

1975 · 3.5 HP · 2-Stroke
VS
Johnson

3.5hp (4-Stroke)

2005 · 3.5 HP · 4-Stroke
Spec Chrysler 3.5hp (2-Stroke) Johnson 3.5hp (4-Stroke)
Power & Performance
Horsepower 3.5 HP 3.5 HP
Displacement 85 cc 85 cc
Configuration 1 Cyl / Inline 1 Cyl / Inline
Weights & Dimensions
Dry Weight 15 kg (33 lbs) ← 18 kg (40 lbs)
Mechanical & Electrical
Gear Ratio 1.85 1.85
Alternator 0 W 0 W
Fuel Delivery Carbureted Carbureted
Maintenance
Spark Plug Champion L8J NGK CPR6EA-9
Engine Oil TC-W3 2-Stroke 10W-30 Marine

Technical Comparison Analysis

Power & Displacement

Comparing the Chrysler 3.5hp (2-Stroke) and Johnson 3.5hp (4-Stroke) shows a displacement difference of 0cc. The Johnson features a larger 85cc 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 Chrysler is the lighter option at 15kg, offering a weight saving of 3kg 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 Johnson offers the best charging performance with a 0W 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.