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Yamaha 4 HP

Specs

Weight † 27 kg (60 lbs) - 28 kg (61 lbs)
Full Throttle RPM Range 4000 ~ 5000
Fuel Induction System Carb
Recommended Engine Oil Yamalube® 4M (See owner's manual)
Engine Type 1 cyl
Displacement 139cc
Bore x Stroke 62 x 46mm (2.44 x 1.81in)
Prop Shaft Horsepower 4hp at 4500 rpm
Alternator Output at W.O.T. 6 Amp
Compression Ratio 8.9:1
Recommended Fuel Octane 87
Recommended Fuel Filtration N/A
C.A.R.B. Rating 3-Star
Exhaust Above Propeller
Intake 2
Ignition CDI
Spark Plug CR6HSB
Starting System Manual
Lubrication Wet Sump
Engine Oil Capacity 0.6L
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 69°
Degree of Trim -4° through +16°
Mounting Centers N/A
Steering Tiller
Steering Angle (maximum) 90° from center, either direction
Warranty Limited 3-Year Pleasure, 3-Year Government, 1-Year Commercial