500 motors in database
Yamaha

F20 Portable

2024 · 20 HP · 4-Stroke
VS
Johnson

20hp (2-Stroke)

1978 · 20 HP · 2-Stroke
Feature Yamaha F20 Portable Johnson 20hp (2-Stroke)
Power & Performance
Horsepower 20 HP 20 HP
Displacement 432 cc ← 360 cc
Configuration 2 Cyl / Inline 2 Cyl / Inline
Weights & Dimensions
Dry Weight 56 kg (123 lbs) 38 kg (84 lbs) ←
Mechanical & Electrical
Gear Ratio 2.08:1
Alternator 192 W W
Fuel Delivery EFI Carbureted
Maintenance
Spark Plug Champion QL77JC4
Engine Oil Yamalube 4-Stroke TC-W3 2-Stroke