Yamaha 20 HP

PORTABLE 20 hp

The 432-cc all-new 20-hp portable outboard-built on the same award winning platform as the F25 and sharing its SOHC in-line design and streamlined intake manifold, delivers solid power. Not only that, but it’s one of the most fuel efficient in its class. At just 126 pounds, it’s suitable for lightweight craft such as aluminum fishing boats, tenders and inflatables.

  • Available for remote mechanical or tiller-handle control
  • Only 126 pounds (15” shaft model)
  • Available in 15” and 20” shaft lengths

 

Engine Type 2 cyl
Displacement 432 cc
Bore x Stroke 65 x 65.1mm (2.554 x 2.558 in)
Prop Shaft Horsepower 20 hp @ 5500 rpm
Full Throttle RPM Range 5000 ~ 6000 rpm
Alternator Output at W.O.T. 16 Amp
Compression Ratio 9.3:1
Fuel Induction System EFI
Weight † 57 kg (126 lbs) – 66 kg (146 lbs)
Recommended Fuel Octane 87
Recommended Engine Oil Yamalube® 4M (See owner’s manual)
Recommended Fuel Filtration Yamaha 10-Micron Fuel/Water Separating Filter (external)
C.A.R.B. Rating 2-Star
Exhaust Through Propeller
Intake 4
Ignition CDI
Spark Plug DPR6EB-9
Alternator Output 16 Amp
Starting System Electric & Manual
Lubrication Wet Sump
Engine Oil Capacity 1.1L/1.0L
Recommended Cooling Thermostatic Control
Ethanol Blend Limit 10% Maximum
Gear Ratio 2.00:1
Gear Shift Forward, Neutral, Reverse
Shaft Length 15″ – 20″
Degree of Tilt 62°- 63°
Degree of Trim -3° through +16°
Dry Weight 15″ shaft / 57 kg (126 lbs), 20″ shaft / 65 kg (143 lbs)
Mounting Centers N/A
Steering Angle (maximum) 45° from center, either direction