F40

F40


Our 747-cc 40-hp midrange provides powerful performance in a compact package that’s available in both propeller and jet-pump driven models. With its single throttle valve, long-track intake manifold and electronic control module, it delivers easy starts, fast acceleration and excellent top-end speed.

  • Only 214 pounds
  • Available in a 20” shaft
  • Powerful 17-amp alternator
  • Optional Variable Trolling RPM Switch (VTS®) 
SPECIFICATIONS
  • Weight *: 97 kg (214 lbs) - 101kg (223 lbs)
  • Full Throttle RPM Range: 5000 ~ 6000 rpm
  • Fuel Induction System: EFI
  • Recommended Engine Oil: Yamalube® 4M (See owner's manual)
  • Engine Type: 3 cyl
  • Displacement: 747cc
  • Bore x Stroke: 65 x 75mm (2.56 x 2.95 in.)
  • Prop Shaft Horsepower: 40hp at 5500rpm
  • Alternator Output at W.O.T.: 17 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: 2-Star
  • Exhaust: Through Propeller
  • Intake: 6
  • Ignition: CDI Microcomputer
  • Spark Plug: DPR6EB-9
  • Starting System: Electric
  • Lubrication: Wet Sump
  • Engine Oil Capacity: 1.7L/1.5L
  • Recommended Cooling: Thermostatic Control
  • Ethanol Blend Limit: 10% Maximum
  • Gear Ratio: 2.00:1
  • Gear Shift: Forward, Neutral, Reverse
  • Shaft Length: 20"
  • Degree of Tilt: 20°
  • Degree of Trim: -3° through +20°
  • Mounting Centers: N/A
  • Steering:
  • Steering Angle (maximum): 40° from center, either direction
  • Warranty: Limited 3-year Pleasure, 3-year Government, 1-Year Commercial


*Weight refers to shortest shaft length, and is measured without motor oil, gearcase oil and propeller (except models 25 hp and under, which include a standard propeller). All Jet model weights include the jet pump assembly (weight estimated).

COMPATIBILITY

The 747-cc 40-hp midrange is compatible with tiller and mechanical controls and a range of gauges and props to suit your preference for performance, control and the display of data. It also allows you to access our Variable Trolling RPM Switch (VTS®) depending on your rigging. Explore compatible components below and contact your dealer for rigging expertise.

Compatible Controls:
Mechanical Controls
Multi-Function Tiller Handle

Compatible Gauges:
Command Link and Analog Gauges

PERFORMANCE BULLETINS
  • Boat Model: Alumacraft Escape 145 CS
  • Engine: F40LA
  • Bulletin: View
  • Boat Model: G3 Boats® 15 DLX
  • Engine: F40LA
  • Bulletin: View
  • Boat Model: Avid 16 Commander
  • Engine: F40LEHA
  • Bulletin: View
FEATURES & BENEFITS

Power and Performance:
Fuel Economy
Single Overhead Camshaft
Precise Throttle Control
Dependable Starting

Convenience and Control:
Control And Comfort
Easy Engine Flushing
Power Trim And Tilt

PRECISION

TROLLING

The nimble, responsive F40 and F30 offer more than incredible performance. They also offer the option of variable trolling capability. Our exclusive, Variable Trolling RPM Switch (VTS®) allows for the precision adjustment of trolling speeds between 650 and 900 RPM in 50-RPM increments.

RELIABILITY & DURABILITY

CORROSION PROTECTION
Combined with our proprietary alloy (YDC-30), our exclusive Phaze Five™ anti-corrosive paint system provides a tough, five-layer barrier against corrosion. This protection is standard on all Yamaha Midrange outboards.