Yamaha Midrange F70 Four Stroke

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Weighing in at up to 80 pounds lighter than its four stroke competitors, this 16-valve SOHC (Single Overhead Camshaft) midrange four stroke offers the greatest power-to-weight ratio in its class. That makes it perfect for lightweight fishing boats, pontoons and fiberglass boats. In addition, it’s Command Link® and YCOP™ compatible.

Engine TypeIn-Line Four-Cylinder
Displacement996cc (60.8 ci)
Bore x Stroke65 x 75mm (2.56 x 2.95 in)
Prop Shaft Horsepower70hp at 5800rpm
Compression Ratio9.4:1
Fuel InductionEFI/SOHC/4 Valves Per Cylinder
ExhaustThrough Propeller
IntakeSingle Throttle Valve
IgnitionTCI Microcomputer
Spark PlugLKR7E-000-0000
Alternator Output17 Amp
Starting SystemElectric w/PTT
LubricationWet Sump
Engine Oil Capacity2.1L/ 1.9L without filter
Full Throttle RPM Range5300 ~ 6300 rpm
CoolingWater/Thermostatic Control
Recommended Engine OilYamalube® 4M (See owner's manual)
Recommended FuelRegular Unleaded (Minimum Pump Octane 87)
Recommended Fuel FiltrationYamaha Mini 10-Micron Fuel/Water Separating Filter (external)
Ethanol Blend Limit10% Maximum
Gear Ratio(28:12) 2.33:1
Gear ShiftForward, Neutral, Reverse
Shaft LengthL = 20"
Degree of Tilt65°
Degree of Trim-4° through +16°
C.A.R.B. Rating3-Star
Dry Weight117 kg (257 lb)
Steering Angle (maximum)40° from center, either direction
Warranty3-Year Pleasure, 3-Year Government, 1-Year Commercial