Yamaha launches lightweight four-stroke outboard

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New 25hp engine loses 20kg in weight compared to previous models.

Yamaha has released a new two-cylinder four-stroke 25hp outboard, the F25 EFI, offering a compact, lightweight addition to its four-stroke engine line-up.

According to Yamaha, the new engine has been designed to improve on the performance and features of its F25N two-stroke models as well as its existing F25 engine. Modifications to the powerhead design, transom bracket and drive unit have resulted in this model being 20kg lighter than the previous generation 25hp four-strokes.

A new feature on the latest release is battery-less Electronic Fuel Injection (EFI) designed to deliver easy one-handed starting from a seated position. Other features include Yamaha’s variable trolling switch which enables the trolling engine speed to be changed in increments of 50 r/min from 750rpm to 1050rpm.

The new engine is compatible with Yamaha’s range of command link digital gauges, with options of both basic back-lit LCD and full colour displays. It is also NMEA2000 compatible allowing the engine to share information with third party multi-function displays, GPS and fish finders.

The engine has the option of being fitted with Yamaha’s YCOP immobiliser which enables the user to secure it against unauthorised start-ups at the boat ramp, pontoon or on the trailer. Installation options include manual start tiller handle, electric start forward control and electric start forward control with power trim and tilt. Additional kits are available for tiller handle operation with an electric start. It will be available in both 15 and 20-inch transom lengths.

Features

  • Compact size and lightweight – 57 kg to 62 kg
  • Battery-less Electronic Fuel Injection
  • High output alternator – 16amp
  • ECU controlled – for efficient performance
  • Variable trolling Speed (set speeds between 850rpm-1050rpm)
  • Compatible with command link digital gauges, including full colour option
  • Ergonomic carrying handles
  • Durable lower unit
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