PORTABLE 25 hp

Our 432-cc 25-hp portable outboard sports a new, streamlined, portable design and class-leading power-to-weight. In fact, it’s the lightest 25-hp outboard on the water—two-stroke or four-stroke. While its streamlined design is 25 percent lighter, it still packs exciting features like battery-less EFI. Pull-start models can now take advantage of this feature, plus the system is designed with an automatic decompression device to require even less effort for manual starting.

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SPECIFICATIONS

  • 25 hp
  • 20 hp
  • 15 hp

PORTABLE 25 HP

Engine Type 2 cyl
Displacement 432cc
Bore x Stroke 65 x 65.1mm / (2.56 x 2.56 in)
Prop Shaft Horsepower 25 hp at 5500 rpm
Full Throttle RPM Range 5000 - 6000
Alternator Output at W.O.T. 16 amp
Compression Ratio 9.3:1
Fuel Induction System EFI
Weight* 57kg (126 lbs) - 65kg (143 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 3-Star
Exhaust Through Propeller
Intake 4
Ignition CDI Microcomputer
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 / 57kg (126 lbs), 20" shaft / 65kg (143 lbs)
Mounting Centers N/A
Steering  
Steering Angle (maximum) 45° from center, either direction
Warranty Limited 3-year Pleasure, 3-year Government, 1-Year Commercial

PORTABLE 20 HP

Engine Type 2 cyl
Displacement 362 cc
Bore x Stroke 63 x 58.1mm (2.48 x 2.29 in)
Prop Shaft Horsepower 20 hp @ 5500 rpm
Full Throttle RPM Range 5000 ~ 6000 rpm
Alternator Output at W.O.T. 10 Amp
Compression Ratio 9.3:1
Fuel Induction System Carb
Weight* 50 kg (111 lbs) - 59 kg (132 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 3-Star
Exhaust Through Propeller
Intake 4
Ignition CDI
Spark Plug DPR6EB-9
Alternator Output 10 Amp
Starting System Electric & Manual
Lubrication Wet Sump
Engine Oil Capacity 1.8L/1.6L
Recommended Cooling Thermostatic Control
Ethanol Blend Limit 10% Maximum
Gear Ratio 2.08:1
Gear Shift Forward, Neutral, Reverse
Shaft Length 15" - 20"
Degree of Tilt 67°- 71°
Degree of Trim -4° through +16°
Dry Weight 15" shaft / 50 kg (111 lbs), 20" shaft / 60 kg (132 lbs)
Mounting Centers N/A
Steering  
Steering Angle (maximum) 45° from center, either direction
Warranty Limited 3-Year Pleasure, 3-Year Government, 1-Year Commercial

PORTABLE 15 HP

Engine Type 2 cyl
Displacement 362 cc
Bore x Stroke 63 x 58.1mm (2.48 x 2.29 in)
Prop Shaft Horsepower 15 hp @ 5500 rpm
Full Throttle RPM Range 5000 ~ 6000 rpm
Alternator Output at W.O.T. 10 Amp
Compression Ratio 9.3:1
Fuel Induction System Carb
Weight* 50kg (111 lbs) - 59kg (132 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 3-Star
Exhaust Through Propeller
Intake 4
Ignition CDI
Spark Plug DPR6EB-9
Alternator Output 10 Amp
Starting System Electric & Manual
Lubrication Wet Sump
Engine Oil Capacity 1.8L/1.6L
Recommended Cooling Thermostatic Control
Ethanol Blend Limit 10% Maximum
Gear Ratio 2.08:1
Gear Shift Forward, Neutral, Reverse
Shaft Length 15" - 20"
Degree of Tilt 67°- 71°
Degree of Trim -4° through +16°
Dry Weight 15" shaft / 50kg (111 lbs), 20" shaft 60kg (132 lbs)
Mounting Centers N/A
Steering  
Steering Angle (maximum) 45° from center, either direction
Warranty Limited 3-Year Pleasure, 3-Year Government, 1-Year Commercial
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