The Yamaha 70 hp, 60 hp and 50 hp Midrange four strokes are the go-to outboards for family, fishing and fun. Light and powerful, they sport 1-liter displacement, single-overhead-camshaft designs and electronic fuel injection. They deliver quick starts, high performance and incredible efficiency for aluminum fishing boats, pontoons and fiberglass boats. They also offer incredible trolling flexibility with Yamaha’s exclusive Variable Trolling RPM Switch. Available on the F70, F60 and F50, this allows anglers to adjust trolling speeds in 50-RPM increments. The Yamaha Midrange 70-, 60- and 50-hp four strokes. Solid choices for any boater.
 
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
Alternator Output
17 Amp
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°
Degree of Trim
-4° through +16°
Dry Weight
114 kg (252 lbs)
Mounting Centers
N/A
Steering Angle (maximum)
40° from center, either direction
Warranty
Limited 3-year Pleasure, 3-year Government, 1-Year Commercial