In recent years, our driving ambition has been to combine the lightness and compactness of the incredibly reliable, high performance 2-strokes that made us so famous, with the superior economy, smoothness, sophistication and environment-friendliness of 4-stroke engine technology. It’s been an elusive goal, but those years of intensive research and on-water testing have proved truly worthwhile and the new-generation Yamaha range is now exclusively 4-stroke, offering the previously impossible - a complete line-up of ultra-modern, advanced-technology engines, all of which are comparable in weight and size to their original 2-stroke predecessors.

So how did we achieve this? Purely and simply by innovating. Look at our Four Stroke range and you’ll see technologies like CDI ignition, advanced EFI (Electronic Fuel Injection) systems, revolutionary and unique engine layouts, ingenious intake and exhaust systems … even VCT (Variable Camshaft Timing). Overseeing all this is a ruthlessly efficient system of micro-computer control, monitoring every aspect - from fuel mixture, to combustion efficiency, to maintenance scheduling.

Above all, Yamaha’s 4-stroke development has been so successful because from the very start, we never tried to adapt ordinary, everyday automotive engines, as most others have done. We build only pure, marine-specification 4-stroke engines from scratch. Every cubic centimetre, inside and out, designed with total, all-round performance in mind - and dedicated to your pleasure on the water!

Standard on most Yamaha models, this sophisticated, reliable micro-computer is the ‘brain’ behind many functions that make your Yamaha so reliable, and user-friendly. In reality, it is the ‘heart’ of a Yamaha as well as the ‘brain’. An Authorised Yamaha Dealer can simply hook up to a laptop computer via the convenient access port for instant engine diagnosis on models from 50hp upwards.

• Constant monitoring of all data inputs and settings
• Maintains smooth running, trouble-free performance
• Advanced software optimises ignition timing in all conditions
• Monitors and activates warning and protection systems

Yamaha ignition systems are ‘solid state’ components with no moving parts – playing a vital role in the long history of easy starting, reliability and consistent performance for which Yamaha outboards are renowned.

• Strong, steady spark generation at all speeds
• Consistency of spark allows longer plug life
• Maintenance-free system

Digital instruments are available as standard or as options on many Yamaha outboards. Designed for optimum visibility and durability, they provide accurate information to help maximise engine performance and efficiency.

• Multifunction Tachometer: RPM - Hours - Trim angle - Oil pressure - Warning lamps
• Multifunction Speedometer: Speed - Trip - Time - Fuel - Battery voltage
• Fuel Management Gauge: Fuel consumption - Fuel economy

For 2007 (and later models) with Electronic Fuel Injection systems, Yamaha have created an exciting range of Digital Network Gauges, which work together with a sophisticated digital network control system. Click here for more information about this super-accurate, easy-to-read, simple-to-install instrumentation. It’s a revelation!