Yamaha Outboards Midrange Four Stroke F40

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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

Anti-Splash Plate
External Tilt Switch
Freshwater Flush
Nitro-Assist (“LEHA” model)
Power Trim and Tilt “LA” Model
Spin On Oil Filter

POWER/PERFORMANCE

Dual Stage Single Cylinder Power Trim and Tilt
Four Stroke Engine Design
Labyrinth Exhaust
Lightweight Compact Design
Long Track Induction System
Oil/Fuel Separator
Precision Multi-Point Fuel Injection
Single Throttle Valve
SOHC
Three-Cylinder Design

RELIABILITY/DURABILITY

5-Step Anti-Corrosion Paint Process
CDI Microcomputer
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
SST Steering Tube
Thermostatic Controlled Cooling
Wet Sump Lubrication
YDC-30 Aluminum Alloy

There are no features available

Engine Specs

Engine Type : In-Line Three Cylinder
Displacement : (747cc) | 45.68 ci
Bore x Stroke : 65 x 75mm (2.56 x 2.95 in)
Prop Shaft Horsepower : 40 hp @ 5500 rpm
Compression Ratio : 9.4:1
RPM Range : 5000 ~ 6000 rpm
Fuel/Induction System : Electronic Fuel Injection
Exhaust : Through Propeller
Intake : Single Throttle Valve
Cooling : Water/Thermostatic Control
Ignition System : CDI Microcomputer
Spark Plug : DPR6EB-9
Starting System : Electric w/PTT or Nitro Assist
Lubrication : Wet Sump
Degree of Trim/Tilt : 3° through +20° on "PTT" models. 5 positions on Nitro-Assist/PTT Models: 66° Nitro-Assist: 65°
Oil Capacity : 1.7L/ 1.5L without filter
Recommended Engine Oil : Yamalube® 4M (See owner's manual)
Gear Shift : Forward, Neutral, Reverse
Gear Ratio : (26:13) 2.00:1
Shaft Length : L = 20"
Recommended Fuel : Regular Unleaded (Minimum Pump Octane 87)
Steering Angle (maximum) : 40° from center, either direction
Weight : F40LA = 97kg (214 lbs) F40LEHA 101kg (223 lbs)
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)