2017 Yamaha F4 LMHA Outboard Motor


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    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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