Yamaha 15 HP

PORTABLE 15 hp

The 362-cc 15-hp portable features a SOHC in-line, two-cylinder design.  Its single carburetor and CDI Microcomputer Ignition System make it one of the most fuel-efficient in its class. At just 111 pounds, it’s suitable for lightweight craft such as aluminum fishing boats, tenders and inflatables.

  • Available for tiller-handle control
  • Only 111 pounds (15” shaft model)
  • Available in 15” and 20” shaft lengths
  • Powerful 10-amp alternator
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 Angle (maximum) 45° from center, either direction