Delivering the best power-to-weight in the class.

Not only is the engineering impressive - this is a 1.8 litre, 16 big-Valve, in-line 4-cyl DOHC 4-stroke - but it's blended with a host of electro/technical features to make life easier: Compatibility with our optional Digital Network System, Wide Range Power Trim & Tilt with Tilt angle limiter and Y-COP® remote security system (both optional) to name but a few.

The efficiency of our well proven EFI systems and other new combustion technologies ensure the utter dependability of this outstanding Yamaha engine.

At a glance

  • 1,832cc 16-Big-Valve DOHC in-line 4 cyl 4-stroke
  • Weighs only 174kg - class-leading power-to-weight
  • EFI - clean, efficient performance and reliability
  • Latest-generation top cowling - sleek and compact
  • Variable Trolling RPM system - for relaxed boating
  • 35A High Output alternator - extra starting power
  • Single Ram PTT and optional Tilt Angle Limiter
  • Shallow Water Drive for cruising close inshore
  • TALON Series propeller - damps noise and vibration
  • Counter-rotating propeller model available
  • Yamaha Customer Outboard Protection (Y-COP) option
  • Compatible with Yamaha Digital Network System


Whether you enjoy the excitement of water sports or prefer just relaxing on your boat, choose the engine that helps you get more out of your time on the water.

115hp 115hp 115hp
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    Key Features

    Features Gallery
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      1,832cc 16-Big-Valve DOHC in-line 4-cylinder 4-stroke

      With its innovative intake and exhaust valve design – and twin camshafts, each driven independently – the 115hp's intake and exhaust efficiency are dramatically improved, optimising fuel use during combustion. The TCI ignition system ensures easy starting, consistent running, longer plug life - and complete dependability.

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      Compact, lightweight design - ideal for re-powering

      The versatile 115hp is the leading power-to-weight performer in its class, making it the ideal choice for a wide range of activities - and opening up exciting opportunities for re-powering. The remarkable, powerful performance and smooth 4-stroke efficiency bring a new lease of life to older boats of many types and sizes.

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      Yamaha Customer Outboard Protection (Y-COP) option

      The optional Y-COP immobiliser system is simple, easy to use and highly effective – a neat and simple remote control locks and unlocks the engine at the push of a button. This prevents your outboard engine being taken for any unauthorised joyrides, offering you peace of mind when leaving your boat unattended.

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      Digital Network System option - clear, accurate information

      The 115hp is the perfect fit for Yamaha’s Digital Network System and Gauges - maximising their performance and efficiency: Multifunction Tachometer with RPM, Hours Run, Trim Angle, Oil Pressure, Warning lamps and Variable Trolling RPM control - and a Speed/Fuel Management Gauge with Tank Capacity and Fuel Economy.

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      Variable Trolling RPM Control - no more speeding worries

      A very relaxing and reliable system, which is standard on the 115hp. Simply set and hold the low speed rpm (between 600 & 1000) in 50 rpm steps, using a button on the tachometer - or on the multi-function tiller handle. This advanced system resets automatically when the throttle is moved again.

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      35 Amp High Output alternator

      A special High Output alternator system is fitted as standard on the 115hp, to ensure that plenty of power is available for engine starts – even after long periods at low RPM or when using multiple accessories. A comforting thought when you're out fishing - at night - or planning a long, lazy day on the river.

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      Counter-rotating propeller model

      A standard twin-engine installation (both propellers turning clockwise) tends to pull the boat towards the port side, especially at higher speed, making steering more difficult. So the 115hp is offered with a counter-rotating propeller to fit alongside the standard model, giving the driver control with ‘neutral helm' at any speed.

    Technical Specifications

    Download Factsheet
    • Engine
      Engine type
      1,832 cm³
      No. of cylinders/Configuration
      4/In-line, 16-valve, DOHC
      Bore x stroke
      81.0 mm x 88.9 mm
      Prop shaft output at mid range
      84.6 / 5,800 rpm
      Full Throttle Operating Range
      5,300 - 6,300 rpm
      Lubrication system
      Wet sump
      Fuel Induction System
      Ignition / advance system
      Starter system
      Electric with Prime Start™
      Gear ratio
      2.15 (28:13)
    • Dimensions
      Transom height
      Fuel tank capacity
      Oil pan capacity
      Weight without propeller
      173kg - 177kg
    • Additional Features
      Remote Control
      Trim & Tilt method
      Power Trim & Tilt
      Light coil / Alternator Output
      12V -35Awith rectifier/regulator
      Engine immobilizer
      YCOP optional
      Counter Rotation Model
      Available (ETX)
      Variable Trolling Speed
      With DN Gauges or m-f tiller handle
      Shift Dampener System (SDS)
      The kW data in this sheet is based on the ICOMIA 28 standard, measured at the prop shaft

    Uvek nosite kacigu, zaštitu za oči i zaštitnu odeću. Yamaha preporučuje sigurnu vožnju i poštivanje drugih vozača. Fotografije prikazane u ovoj brošuri prikazuju profesionalne vozače u kontrolisanim uslovima. Specifikacije Yamaha proizvoda predmet su promene bez prethodne najave i mogu se razlikovati u skladu sa zahtevima i uslovima. Za više informacija obratite se svom Yamaha trgovcu.


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