25hp Promotions


Model Description


Meet our new portable. Even lighter. Even tougher.

This legendary twin cylinder, 4-stroke portable is now around 25% lighter! Open the throttle of our brand new 25hp and you’ll immediately feel the effect of Yamaha’s innovative technologies at work, delivering big-engine features with unique power-to-weight performance and outstanding economy.

The specification now includes two resting pads (side and rear), improved carry handles, battery-less EFI and full compatibility with our Digital Network Gauges. With its single-lever steering friction adjustment, new wide-span motor mount, high-output alternator and options of Variable Trolling Speed, Y-COP Security and Wide Range Power Trim & Tilt, the 25hp is the natural choice.

At a glance

  • 25% lighter – unique power-to-weight performance
  • New tough and solid one-piece top cowling
  • New battery-less EFI system for easy starting
  • Manual, electric and manual/electric start options
  • VTS slower-than-normal idle speed (option on r/c)
  • Compatible with Yamaha Digital Network Gauges
  • VTS (Variable Trolling Speed) option on r/c
  • Wide Range Power Trim & Tilt option
  • Exclusive Y-COP immobiliser security available
  • Multi-function tiller handle option
  • Single-lever steering friction (Tiller model)
  • High-output alternator for extra starting power
  • Model Specification


    • Engine

      Engine Type

      4-stroke

      Displacement

      432 cm³

      No. of cylinders/configuration

      2/In-line, SOHC

      Bore x stroke

      65.0 mm x 65.1 mm

      Prop shaft output at mid range

      18.4 / 6,000 rpm

      Full throttle operating range

      5,000-6,000 rpm

      Lubrication system

      Wet sump

      Carburettors

      EFI

      Ignition / advance system

      CDI

      Starter system

      Electric/ Manual, Manual (MH), Electric (E, ET) with Prime Start™

      Gear ratio

      2.08 (27:13)

      Fuel tank capacity

      separate, 25litres

      Steering

      Throttle and shift controls

      Trim & tilt method

      Power Trim & Tilt (ET), Manual Tilt (MH, E + WH)

      Lighting Coil / Alternator

      12V -16A

      Propeller

      Included (MH, WH), Optional (E, ET)

      Max Thrust (kg)

      Amp Draw

      Voltage

      Control

      Remote control (E, ET), Tiller handle (MH + WH)

      Valves

      Cam

    • Dimensions

      Recommended boat transom height

      S424L:551mm

      Weight without propeller

      56kg - 64kg

      Oil pan capacity

      1.1litres

      Weight

      7

      Shaft Length

    • Other

      Warranty

      2 Year