2021 Yamaha Marine F70 Base
- Year 2021
- Make Yamaha Marine
- Model F70
2021 Yamaha Marine F70
Our 1-liter 70-hp midrange features a two-piece upper case and 10 percent lighter pistons. It’s up to 80 pounds lighter than other four-stroke competitors and the class-leader in power-to-weight. Combined with its 16-valve SOHC design and 17 percent larger intakes, and it’s one of the most responsive outboards on the water.
Features may include:- Available for mechanical remote or tiller control
- Only 253 pounds
- Available in a 20” shaft
- Powerful 17-amp alternator
Engine
Engine Type
i4
Engine Power
Prop Shaft: 70hp at 5800 rpm
Displacement
1.0L
Bore
65 mm (2.56 in)
Stroke
75 mm (2.95 in)
Compression Ratio
9.4:1
Throttle
Full RPM Range: 5300 ~ 6300 rpm
Steering
Angle (maximum): 40° from center, either direction
Exhaust
Through Propeller
Ignition
TCI Microcomputer
Oil Type
Recommended: Yamalube® 4M (See owner's manual)
Lubrication
Wet Sump
Cooling
Recommended: Thermostatic Control
Gear Ratio (Primary)
2.33:1
Gear Shifter
Forward, Neutral, Reverse
Induction
Fuel System: EFI
Spark Plug
Spark Plug
LKR7E
Electric
Starter
System: Electric
Alternator Output, Maximum
Output at W.O.T.: 17 Amp | 17 Amp
Fuel System
Fuel System
Ethanol Blend Limit: 10% Maximum
Fuel Type
Recommended: Octane 87 | Recommended Filtration: Yamaha 10-Micron Fuel/Water Separating Filter (external)
Dimensions
Length
Shaft: 20"
Dimensions
Degree of Tilt: 65° | Degree of Trim: -4° through +16° | Mounting Centers:
Capacities
Oil capacity
2.1/1.9
Weights
Weight
253 lbs (114 kg)
Dry Weight
252 lbs (114 kg)
Features
Features
Intake: 16 | C.A.R.B. Rating: 3-Star
Warranty
Warranty
Limited 3-year Pleasure, 3-year Government, 1-Year Commercial