Yamaha / FourStroke

Yamaha F70

Name: Yamaha F70
Brand: Yamaha
SKU: f70
Availability: InStock

Our 1-liter 70-hp midrange features a two-piece upper case and 10 percent lighter pistons.

All Yamaha outboards

FourStroke

F70

Power: 70 hp
Configuration: i4
Displacement: 1.0L
Weight: 114 kg (253 lbs)

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About this engine

Our 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, it’s one of the most responsive outboards on the water. Now available in matte brown, it’s also one of the stealthiest.

Key features

Single Overhead Camshaft
Fuel Economy
Powerful Hole Shot
Optimum Performance
Precise Throttle Control
Control and Comfort
Easy Engine Flushing
Gauge Compatibility

Full specifications

Weight †: 114 kg (253 lbs)
Full Throttle RPM Range: 5300 ~ 6300 rpm
Fuel Induction System: EFI
Recommended Engine Oil: Yamalube® 4M (See owner's manual)
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
Alternator Output at W.O.T.: 15 Amp
Compression Ratio: 9.4:1
Recommended Fuel: Octane 87
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°
Degree of Trim: -4° through +16°
Mounting Centers: N/A
Steering Angle (maximum): 40° from center, either direction
Warranty: Limited 3-year Pleasure, 3-year Government, 1-Year Commercial