Fun 4-cylinder excitement
This new unit offers fresh styling and modern design, aligning the aesthetics of the Premium and High-Power segments. The design cues and graphics on this engine are all pointers to the exciting technology that lives just inside.
The 150hp engine benefits from enhanced connectivity for greater control and confidence, linking with Helm Master EX®, Yamaha’s latest CL5 gauge and the latest drive-by-wire throttles for smooth shifting, with single and multiple engine throttles available.
BITNE KARAKTERISTIKE
Integrated Electro-Hydraulic Steering
Electro-hydraulic steering (EHS)is now built-in to select 150hp engines. Enjoy a clean, spacious bilge with no hoses or external rams. No need for fluid filling, and clean-up and no special bleeder ports or hoses. Technicians can rig EHS significantly faster and more easily, plus EHS equipped engines can be fitted with the new optional Helm Master EX system.
16-Valve DOHC Direct-Action In-Line 4
With 2 intake valves and 2 exhaust valves on each cylinder – and, with twin camshafts, each also driven independently – intake and exhaust efficiency are dramatically improved, optimising fuel use during combustion. The TCI ignition system ensures easy starting, consistency, longer plug life and - ultimately - reliability.
Optional integrated hydraulic steering.
Whether re-powering a current vessel or rigging a brand new boat; integrated hydraulic steering offers many of the benefits of the integrated electro-hydraulic steering such as a better, tidier appearance and quicker fitting.
Electronic ‘drive-by-wire’ throttle and shift
Offering the driver simple, comfortable control, the optional Digital Network System automatically synchronises engines in twin or triple installations and offers a one-touch Start/Stop button. Our Premium multi-function display gauge, with its 5" LCD colour screen is another attractive option for the 150hp model.
Helm Master EX® made easy
Get going with electric key-less ignition, then dive into enhanced handling features for single and twin-engine boats with the precision joystick control system. Kick back and enjoy the view with AutoPilot and keep an easy eye on things as a light on the engine shows when the unit is in gear.
Special offset crankshaft delivers a compact design
We designed the 150hp to be ultra-compact and the special offset crankshaft and gear-driven balance shaft are just two of the many technical advances pioneered by our engineers to help achieve that aim. The labyrinth exhaust system, with its water-sealed outer walls make it exceptionally quiet too.
Variable Trolling RPM control
Another feature of the optional Digital Network System is the handy button on the tachometer which gives you instant control of the engine RPM - making it simple to adjust the engine speed in convenient steps of 50 RPM between 650 and 900 RPM. Smooth, relaxed cruising is the reward.
SDS (Shift Dampening System)
First introduced for our larger V8 and V6 models, Yamaha's patented Shift Dampener System (SDS) is a great feature that significantly reduces the 'clunk' sound normally associated with moving between gears. A splined rubber hub and aft washer absorb noise and vibration, in a carefully engineered solution that gives smoother, quieter gear shifts.
Digital Network Gauges (optional)
All our EFI engines can be linked, via Yamaha's own network system, to a wide range of digital instruments - to help you get the best from your engine. A multi-function, colour CL5 display fits seamlessly into your console, while its compact size permits more room for other electronic equipment on your console.
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