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2017 Yamaha F4 LMHA Outboard Motor


2017 Yamaha F4 LMHA Outboard Motor

For those who want power, performance and portability

The sun just broke the horizon, but your day began hours ago—the second you started your trusty Yamaha Portable. Maybe you’re skimming the marsh in a jon boat during duck season, pushing a sailboat ‘til the wind kicks up or hopping to the cuddy on a tender. Wherever the day takes you, these nimble, lightweight, efficient portables are up for the ride. Available in a range of horsepower from the F20, to the F2.5, including the redesigned F8 with 7.5 percent more displacement, these 1- or 2-cylinder dynamos provide big performance in streamlined designs.

2017 Yamaha F4 LMHA Outboard Motor

  • Streamlined Intake Manifold
  • Labyrinth Exhaust
  • Long Span Mounting System
  • Four Stroke Engine Design
  • Oil Separator
  • Streamlined Gearcase
  • Overhead Valve (OHV) Design
  • 2-Valves Per Cylinder
  • Precise Carburetor Setting
  • Built-in Auxiliary Priming Pump
  • Dynamically Balanced Crankshaft
  • 5-Step Anti-Corrosion Paint Process
  • Stainless Steel Driveshaft, Prop Shaft, Shift Shaft and Steering Tube
  • CDI Microcomputer
  • Sacrificial Anodes
  • Pressurized Lubrication
  • Built-in Fuel Filter


2017 Yamaha F4 LMHA Outboard Motor

Year 2017

Manufacturer Yamaha Marine

Model Name F4

Trim Name LMHA

Generic Type (Primary) Four Stroke


Engine Type One-Cylinder

Engine Power 4 hp at 4500 rpm

Alternator (Output): 6 Amp (Optional: Requires Charging Kit

Displacement 8.5 ci (139 cc)

Gear Ratio (Primary) (27:13) 2.08:1

Lubrication Wet sump

Fuel Type Induction: OHV

Ignition System: CDI

Oil Type (Recommended): Yamalube® 4M (See owner’s manual)

Fuel Type (Recommended): Regular Unleaded (Minimum Pump Octane 87)

Fuel Type (Recommended Filtration): Yamaha Mini 10-Micron Fuel/Water Separating Filter (external)

Steering Angle (Maximun): 90° from center, either direction


Oil capacity .6L (.63 qt)

Spark Plug

Spark Plug CR6HSB-000-000


Note Full Throttle RPM Range: 4000-5000


Length Shaft: L=20″

Bore 2.44 in. (62 mm)

Stroke 1.81 in. (46 mm)


Dry Weight F4LMHA = 28kg (62 lbs)


Starter Manual

Exhaust Above Propeller

Note Ethanol Blend Limit: 10% Maximum

Features C.A.R.B. Rating: 3 Star

Cooling Water/Thermostatic Control

Weight Spec: 6

Note Gear Shift: Forward, Neutral, Reverse

Features Degree of Tilt: 69° | Degree of Trim: 5 positions

Compression Ratio 8.9:1

Intake Design Carburetor

Note Mounting Centers: 28.6″


Warranty 3-year Pleasure, 3-year Government, 1-year Commercial

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