500 motors in database
Mercury

40hp (Inline-4)

1975 · 40 HP · 2-Stroke
VS
Johnson

40hp Commercial

1996 · 40 HP · 2-Stroke
Feature Mercury 40hp (Inline-4) Johnson 40hp Commercial
Power & Performance
Horsepower 40 HP 40 HP
Displacement 720 cc 737 cc ←
Configuration 4 Cyl / Inline 2 Cyl / Inline
Weights & Dimensions
Dry Weight 72 kg (159 lbs) ← 84 kg (185 lbs)
Mechanical & Electrical
Gear Ratio 2.42:1
Alternator W 144 W
Fuel Delivery Carbureted Carbureted
Maintenance
Spark Plug NGK BUHW (Surface Gap)
Engine Oil TC-W3 2-Stroke 50:1 Pre-mix