Yamaha Outboards Midrange Four Stroke F70

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Nothing beats a day on the water with family and friends. And nothing powers those moments quite like Yamaha’s versatile line of midrange outboards. Ranging in size from the mighty F90 down to the nimble F25, they offer just the right amount of power for a variety of applications. These 2-, 3- and 4-cylinder dynamos are quiet, clean-burning, reliable performers. But that’s not all they have to offer.

Specifications are subject to change without notice

CONVENIENCE/CONTROL

External Tilt Switch
Labryinth Exhaust
Long Span Mounting System
Power Trim & Tilt

POWER/PERFORMANCE

Blow-By Gas Reburning System
Fuel Vapor Burning System
Lightweight, SOHC (Single Overhead Camshaft),16-Valve Design
Multi-Point Precision Fuel Injection
Powerful 4 Cylinder 60.8 cu in.
Tuned Long Track Induction System

RELIABILITY/DURABILITY

5-Step Anti-Corrosion Paint Process
Electro-deposited Powerhead Paint Process
Engine Warning System
High Output Alternator
Magnetic Drain Plug
On-Engine Fuel/Water Separating Filter
Sacrificial Anodes
Single Throttle Valve
SST Drive, Prop, Shift Shafts
TCI Microcomputer
Water Draining Air Intake Duct
Wet Sump Lubrication
YDC-30 Aluminum Alloy

There are no features available

Engine Specs

Engine Type : In-Line Four-Cylinder
Displacement : 996cc (60.8 ci)
Bore x Stroke : 65 x 75mm (2.56 x 2.95 in)
Prop Shaft Horsepower : 70hp at 5800rpm
Compression Ratio : 9.4:1
RPM Range : 5300 ~ 6300 rpm
Fuel/Induction System : EFI/SOHC/4 Valves Per Cylinder
Exhaust : Through Propeller
Intake : Single Throttle Valve
Cooling : Water/Thermostatic Control
Ignition System : TCI Microcomputer
Spark Plug : LKR7E-000-0000
Starting System : Electric w/PTT
Lubrication : Wet Sump
Degree of Trim/Tilt : 4° through +16°/65°
Oil Capacity : 2.1L/ 1.9L without filter
Recommended Engine Oil : Yamalube® 4M (See owner's manual)
Gear Shift : Forward, Neutral, Reverse
Gear Ratio : (28:12) 2.33:1
Shaft Length : L = 20"
Recommended Fuel : Regular Unleaded (Minimum Pump Octane 87)
Steering Angle (maximum) : 40° from center, either direction
Weight : 117 kg (257 lb)
CARB Rating : 3-Star
Warranty : 3-Year Pleasure, 3-Year Government, 1-Year Commercial
Alternator Output : 17 Amp
Ethanol Blend Limit : 10% Maximum
Recommended Fuel Filtration : Yamaha Mini 10-Micron Fuel/Water Separating Filter (external)