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The 90A Offers High Performance with Low Weight


Pro-User-90A-Features-Main-001The 90A can be found in active service with rescue services, port authorities, military users and police forces around the world. This engine has become a favourite amongst professional patrol organisations as the 90AETOL weighs significantly less than its 4-stroke counterparts and is ideal for medium sized RIBs or twin engine rigs on larger craft. Very easy to use in operation this proven powerhouse delivers the instant throttle response required in emergency situations. Strong mid-range and top end power allows the 90A to deliver performance even when boat loads are high and its low maintenance, simple design make routine checks very easy.

Proven 2-stroke design

The three cylinder engine is pulse tuned and features a Loop Charging system for outstanding economy and performance.

Maintenance free CDI ensures reliability and sure starting.

The emphasis is on reliability and quality so that operators can trust in their 90A whatever the conditions.

Convenience and ease of operation.

Prime Start and start in-gear prevention make the 90A quick and easy to get going.

Ideally suited to rescue situations

The shallow water drive system means you can get in really close with this engine while the high power alternator keeps the boats electrical systems charged even if you are running search lights or rescue equipment.

Quality and durability come as standard

Yamaha has its own special marine grade aluminium called YDC-30 which minimises the corrosive effects of salt water. Combined with a 5-stage coating exterior finish and self-sacrificing anodes the 90A is built to last. Features like fresh water flushing port make routine maintenance easy too.

No worries oil injection

Yamaha has a rich history of 2-stroke engineering and our oil injection system means the engine receives the precise amount of 2T oil it requires without the fuss of pre mixing fuel

Fully Equipped

The 90A comes complete with aluminium propeller, lanyard and 25 litre remote fuel tank with fuel pipe and primer bulb.


Long Shaft fits 20.5 inch transom. Electric start and power trim and tilt. PRO accessories include hood cover and a selection of ally and stainless steel propellers