Yamaha In-Line Four & Off-Shore Models

Main photo of New Yamaha F6SMHA

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Year: New

Brand: Yamaha

Model: F6SMHA


F6 Specifications


Engine Type One-Cylinder

Displacement 8.5 ci (139 cc)

Bore x Stroke 62 x 46mm (2.44 x 1.81 in)

Prop Shaft Horsepower 6hp @ 5000rpm

Compression Ratio 8.9:1

Fuel/Induction System OHV

Exhaust Above Propeller

Intake Carburetor

Ignition System CDI

Spark Plug CR6HSB-000-000

Alternator Output 6 Amp (Optional: Requires Charging Kit

Starting System Manual

Lubrication Wet Sump

Engine Oil Capacity .6L (.63 qt)

Full Throttle RPM Range 4500-5500

Cooling Water/Thermostatic Control

Recommended Engine Oil Yamalube® 4M (See owner's manual)

Recommended Fuel Regular Unleaded (Minimum Pump Octane 87)

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

Ethanol Blend Limit 10% Maximum

Gear Ratio (27:13) 2.08:1

Gear Shift Forward, Neutral, Reverse

Shaft Length S=15" L=20"

Degree of Tilt 69°

Degree of Trim 5 positions

C.A.R.B. Rating 3-Star

Dry Weight F6SMHA = 27kg (60 lbs), F6LMHA = 28kg (62 lbs)

Steering Angle (maximum) 90° from center, either direction

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

Spec Weight 5

Yamaha 6 Horse Power Performance Bulletin with a 11' Zodiac Cadet Inflatable 

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