Yamaha Outboards F115

Overview

The Yamaha 115 hp and the all-new 90 hp and 75 hp Midrange four strokes are reliable inshore performers. Fast and powerful, they sport 1.8-liter displacement and DOHC or SOHC designs with four valves per cylinder. This gives them exceptional volumetric efficiency and lighter weights. With 25-inch shaft options for the F115 and F90, this horsepower range offers prime power for mid-size craft, including anglers trolling large, rough water in 25-inch-transom multi-species boats. The completely surprising Yamaha Midrange 115, 90 and 75 hp four strokes. A powerful part of our lineup---and your boating experience.

Specifications

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(r) 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 Angle (maximum) 35° from center, either direction

Warranty Limited 3 Year Limited Pleasure Boat - 1 Year Limited Commercial