MIDRANGE 115 hp

Our 1.8-liter I-4 F115 is the lightest DOHC 115-hp In-Line Four on the water by nearly 25 pounds, leading its class in power-to-weight. It not only bests the competition, but it also beats Yamaha’s previous F115 design, with a zero-to-200-foot acceleration time that’s 0.7 seconds faster.

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SPECIFICATIONS

  • 115 hp
  • 90 hp
  • 75 hp

MIDRANGE 115 HP

Engine Type Inline 4
Displacement 1.8L
Bore x Stroke 81 x 88.9mm |3.19 x 3.5in
Prop Shaft Horsepower 115hp at 5500 rpm
Full Throttle RPM Range 5300 ~ 6300
Alternator Output at W.O.T. 35 Amp
Compression Ratio 10.0:1
Fuel Induction System EFI
Weight* 171 kg (377 lbs) - 175 kg (386 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 16
Ignition TCI Microcomputer
Spark Plug LKR6E
Alternator Output 35 Amp
Starting System Electric
Lubrication Wet Sump
Engine Oil Capacity 3.2/3.0L
Recommended Cooling Thermostatic Control
Ethanol Blend Limit 10% Maximum
Gear Ratio 2.15:1
Gear Shift Forward, Neutral, Reverse
Shaft Length 20" - 25"
Degree of Tilt 70°
Degree of Trim -4° through +16°
Dry Weight 20" shaft / 171 kg (377 lbs), 25" shaft / 175 kg (386 lbs)
Mounting Centers 26"
Steering  
Steering Angle (maximum) 35° from center, either direction
Warranty Limited 3 Year Limited Pleasure Boat - 1 Year Limited Commercial

MIDRANGE 90 HP

Engine Type Inline 4
Displacement 1.8L
Bore x Stroke 81 x 88.9mm (3.19 x 3.5 in)
Prop Shaft Horsepower 90hp @ 5500 rpm
Full Throttle RPM Range 5000 ~ 6000
Alternator Output at W.O.T. 35 Amp
Compression Ratio 10.0:1
Fuel Induction System EFI
Weight* 160kg (353 lbs) - 164kg (362 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 16
Ignition TCI Microcomputer
Spark Plug LFR6A-11
Alternator Output 35 Amp
Starting System Electric
Lubrication Wet Sump
Engine Oil Capacity 3.2/3.0L
Recommended Cooling Thermostatic Control
Ethanol Blend Limit 10% Maximum
Gear Ratio 2.15:1
Gear Shift Forward, Neutral, Reverse
Shaft Length 20" - 25"
Degree of Tilt 70
Degree of Trim -4° through +66°
Dry Weight 20" shaft / 160kg (353 lbs), 25" shaft / 164kg (363 lbs)
Mounting Centers 26"
Steering  
Steering Angle (maximum) 35° from center, either direction
Warranty Limited 3-year Pleasure, 3-year Government, 1-Year Commercial

MIDRANGE 75 HP

Engine Type Inline 4
Displacement 1.8L
Bore x Stroke 81 x 88.9mm (3.19 x 3.5in)
Prop Shaft Horsepower 75hp at 5500 rpm
Full Throttle RPM Range 5000 ~ 6000 rpm
Alternator Output at W.O.T. 35 Amp
Compression Ratio 10.0:1
Fuel Induction System EFI
Weight* 160 kg (353 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 16
Ignition TCI Microcomputer
Spark Plug LFR6A-11
Alternator Output 35 Amps
Starting System Electric
Lubrication Wet Sump
Engine Oil Capacity 3.2/3.0L
Recommended Cooling Thermostatic Control
Ethanol Blend Limit 10% Maximum
Gear Ratio 2.15:1
Gear Shift Forward, Neutral, Reverse
Shaft Length 20"
Degree of Tilt 70°
Degree of Trim -4° through +16°
Dry Weight 160 kg (353 lbs)
Mounting Centers N/A
Steering  
Steering Angle (maximum) 35° from center, either direction
Warranty Limited 3-year Pleasure, 3-year Government, 1-Year Commercial
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