500 motors in database
Johnson

30hp (2-Stroke)

1995 · 30 HP · 2-Stroke
VS
Mercury

30hp EFI (3-Cyl)

2005 · 30 HP · 4-Stroke
Feature Johnson 30hp (2-Stroke) Mercury 30hp EFI (3-Cyl)
Power & Performance
Horsepower 30 HP 30 HP
Displacement 521 cc 526 cc ←
Configuration 2 Cyl / Inline 3 Cyl / Inline
Weights & Dimensions
Dry Weight 52 kg (115 lbs) ← 78 kg (172 lbs)
Mechanical & Electrical
Gear Ratio 1.75:1 1.92:1
Alternator W W
Fuel Delivery Carbureted EFI
Maintenance
Spark Plug Champion QL77JC4 NGK DPR6EA-9
Engine Oil TC-W3 2-Stroke Mercury 10W-30