F4 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 4hp at 4500 rpm 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 4000-5000 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 F4SMHA = 27kg (60 lbs), F4LMHA = 28kg (62 lbs) Steering Angle (maximum) 90° from center, either direction Warranty 3-year Pleasure, 3-year Government, 1-year Commercial Spec Weight 6
F4SMHA = 27kg (60 lbs), F4LMHA = 28kg (62 lbs)
Fuel Induction System:
Trim & Tilt Type:
Trade In Information:
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