500 motors in database
Johnson

20hp (2-Stroke)

1978 · 20 HP · 2-Stroke
VS
Mercury

18hp (2-Stroke)

1990 · 18 HP · 2-Stroke
Feature Johnson 20hp (2-Stroke) Mercury 18hp (2-Stroke)
Power & Performance
Horsepower 20 HP 18 HP
Displacement 360 cc ← 300 cc
Configuration 2 Cyl / Inline 2 Cyl / Inline
Weights & Dimensions
Dry Weight 38 kg (84 lbs) ← 39 kg (86 lbs)
Mechanical & Electrical
Gear Ratio
Alternator W W
Fuel Delivery Carbureted Carbureted
Maintenance
Spark Plug Champion QL77JC4 NGK B7HS
Engine Oil TC-W3 2-Stroke TC-W3 2-Stroke