MIDRANGE 40 hp

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.

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SPECIFICATIONS

  • 40 hp
  • 30 hp

MIDRANGE 40 HP

Engine Type 3 cyl
Displacement 747cc
Bore x Stroke 65 x 75mm (2.56 x 2.95 in.)
Prop Shaft Horsepower 40hp at 5500rpm
Full Throttle RPM Range 5000 ~ 6000 rpm
Alternator Output at W.O.T. 17 Amp
Compression Ratio 9.4:1
Fuel Induction System EFI
Weight* 97 kg (214 lbs) - 101kg (223 lbs)
Recommended Fuel Octane 87
Recommended Engine Oil Yamalube® 4M (See owner's manual)
Recommended Fuel Filtration Yamaha 10-Micron Fuel/Water Separating Filter (external)
C.A.R.B. Rating 3-Star
Exhaust Through Propeller
Intake 6
Ignition CDI Microcomputer
Spark Plug DPR6EB-9
Alternator Output 17 Amp
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°
Dry Weight 97 kg (214 lbs) - 101kg (223 lbs)
Mounting Centers N/A
Steering  
Steering Angle (maximum) 40° from center, either direction
Warranty Limited 3-year Pleasure, 3-year Government, 1-Year Commercial

MIDRANGE 30 HP

Engine Type 3 cyl
Displacement 747cc
Bore x Stroke 65 x 75mm (2.56 x 2.95 in.)
Prop Shaft Horsepower 30hp at 5500rpm
Full Throttle RPM Range 5000 ~ 6000 rpm
Alternator Output at W.O.T. 17 Amp
Compression Ratio 9.4:1
Fuel Induction System EFI
Weight* 97 kg (214 lbs) - 101kg (223 lbs)
Recommended Fuel Octane 87
Recommended Engine Oil Yamalube® 4M (See owner's manual)
Recommended Fuel Filtration Yamaha 10-Micron Fuel/Water Separating Filter (external)
C.A.R.B. Rating 3-Star
Exhaust Through Propeller
Intake 6
Ignition CDI Microcomputer
Spark Plug DPR6EB-9
Alternator Output 17 Amp
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 65° - 66°
Degree of Trim -3° through +20°
Dry Weight 97 kg (214 lbs) - 101kg (223 lbs)
Mounting Centers N/A
Steering  
Steering Angle (maximum) 40° from center, either direction
Warranty Limited 3-year Pleasure, 3-year Government, 1-Year Commercial
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