Yamaha Outboards


Yamaha 70HP 1-liter 70-hp midrange features a two-piece upper case and 10 percent lighter pistons. Combined with its 16-valve SOHC design and 17 percent larger intakes, and it’s one of the most responsive outboards on the water.

    Only 253 pounds
    20” shaft
    Powerful 17-amp alternator
    Optional Variable Trolling RPM Switch (VTS®) via the Multi-Function Command Link® tachometer
Engine Type i4
Displacement 1.0L
Bore x Stroke 65 x 75mm (2.56 x 2.95 in.)
Prop Shaft Horsepower 70hp at 5800 rpm
Full Throttle RPM Range 5300 ~ 6300 rpm
Alternator Output at W.O.T. 17 Amp
Compression Ratio 9.4:1
Fuel Induction System EFI
Weight 114 kg (253 lbs)
Recommended Fuel Octane 87
Recommended Engine Oil Yamalube® 4M (See owner's manual)
Recommended Fuel Filtration Yamaha 10-Micron Fuel/Water Separating Filter (external)
C.A.R.B. Rating 3-Star
Exhaust Through Propeller
Intake 16
Ignition TCI Microcomputer
Spark Plug LKR7E
Starting System Electric
Lubrication Wet Sump
Engine Oil Capacity 2.1/1.9
Recommended Cooling Thermostatic Control
Ethanol Blend Limit 10% Maximum
Gear Ratio 2.33:1
Gear Shift Forward, Neutral, Reverse
Shaft Length 20"
Degree of Tilt 65°
Steering
Steering Angle (maximum) 40° from center, either direction
Warranty Limited 3-year Pleasure