Yamaha Four Stroke 225HP Outboard Engine

Yamaha Four Stroke 225HP Outboard Engine
F225

When it comes to offshore, big horsepower performance, Yamaha’s new generation V6 outboards stand in a class of their own. Combining big bore performance, refined design and unrivalled fuel economy, these engines are purpose-built to handle the most challenging of marine environments.

The smallest of these big displacement power plants is the extremely lightweight and powerful F225, which incorporates Yamaha’s plasma-fused sleeveless cylinder technology. By removing the need for conventional steel sleeves, this outboard is both lighter and able to deliver an increased engine capacity. With Yamaha’s multipoint electronic fuel injection system, variable camshaft timing and electronically controlled throttle valve, this engine is able to maintain optimum power and efficiency at all times, resulting in improved overall performance. 

Yamaha F225 Half
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4,200cc V6 Engine

Featuring plasma-fused, sleeveless cylinders, double overhead camshafts (DOHC) and four valves per cylinder, these 4.2 Litre advanced V6 engines are extremely light, powerful and fuel efficient.

Digital Electronic Throttle

The 'drive-by-wire' throttle and shift offers the driver simple, smooth and precise operation, for a more enjoyable riding experience.

Plasma Fused Cylinders

The plasma fusion process creates a cylinder wall surface that is 60% harder than steel, removing the need for conventional steel cylinder sleeves. The removal of these sleeves significantly reduces weight while increasing capacity in the engine, resulting in an improved power-to-weight performance.

Compact In-Bank Exhaust System

The electronic throttle valve provides sure and more precise valve opening and closing according to engine temperature and atmospheric conditions. This system works in tune with the fuel injection and ignition systems, to deliver incredible response and exceptional fuel economy.

One-Touch Start-Stop for Multiple Engines

This optional system for twin and triple installations automatically synchronises engines to allow a simple one-touch start and stop capability, for ease of use.

Variable Trolling Control

Yamaha’s variable trolling control allows the skipper to precisely adjust the engine’s idling speed from 600 to 1000 RPM in 50 RPM increments. The ability to finely tune the trolling speed allows fisherman to perfect their lure presentation when chasing different species of fish.

Variable Camshaft Timing

The Variable Camshaft Timing (VCT) advances and retards the camshaft timing according to the engine RPMs. This in combination with the electronically controlled single throttle valve system and long intake manifold boosts low and mid-range torque for optimum acceleration.

Shift Dampener System (Prop)

Yamaha’s Shift Dampener System (SDS) propellers greatly reduce the noise associated with shifting an engine in and out of gear by absorbing the forces generated when forward and reverse gears are engaged.

Engine Type

4-Stroke, 24 Valve DOHC VCT Direct Action 60°-V6

Bore x Stroke (mm)

96 x 96

Fuel Tank Capacity (l)

User Selectible

Displacement (cc)

4169.0

Fuel Management

EFI

Ignition

TCI

OEDA Emission Rating

3

Lubrication System

Wet-sump

Alternator Output

12V-70A with Rectifier Regulator

Gear Ratio

1.75 : 1 (Counter Rotating Prop Available)

Starter System

Electric

Operation Method

Drive by wire remote control

Trim & Tilt Method

Power Trim & Tilt

Digital Gauges

Optional

Transom Height (mm [inch])

X: 643 [25.3]

Weight

X: 253

Command Link - 6Y8 Round Gauges

Using Local Area Network (LAN) technology, these digital round gauges provide accurate and real-time tachometer, speed and fuel management stats, including fuel flow/consumption/economy (up to two tanks), trim level, battery voltage, push button trolling speed adjustments and more.

Command Link - 6YC High Definition Gauge

This high definition, colour display uses Local Area Network (LAN) technology to deliver accurate and real-time stats for single and twin engine setups. The customisable day/night gauge delivers information on fuel flow/ economy/ consumption, trim level, battery charge, speed, push button trolling and more.

Command Link Plus - 6Y9 High Definition Gauge

This high resolution, five inch, fully customisable LCD display can monitor up to three Digital Electronic Controlled (DEC) outboards. Data includes trip distance, water depth and temperature, shift position, fuel flow/ consumption/ economy, rpm, trim level, oil pressure, engine temp, battery charge and more. F175A models.

Command Link Plus - CL7 Premium Touchscreen Gauge

Our most advanced display has been developed for Yamaha's Digital Electronic Control (DEC) outboards. The seven-inch touchscreen is fully customisable and can monitor up to four outboards. Functions include GPS navigation and the ability to connect to a fish finder, sonar, radar and camera.F175A models.

Concealed Side-Mounted Digital Control

This smart, ergonomic, side mounted control offers an extremely smooth and effortless one-hand operation of throttle, shift functions and trim and tilt. The digital electronic control ‘drive-by-wire’ system eliminates the need for mechanical control cables, reducing installation time and costs. F200CA models.

Single Binnacle Digital Control

This highly polished, ergonomic, top mounted control offers an extremely smooth and effortless one-hand operation of throttle, shift functions and trim and tilt. The digital electronic control ‘drive-by-wire’ system eliminates the need for mechanical control cables, reducing installation time and costs. F200CA models.

Twin Binnacle Digital Control

This highly polished, ergonomic, top mounted control offers an extremely smooth and effortless operation of twin outboards, with automatic synchronisation of engines' rpm. The digital electronic control ‘drive-by-wire’ system eliminates mechanical control cables, reducing installation time and costs. F200CA models.

Triple Binnacle Digital Control

This highly polished, ergonomic, top mounted control offers an extremely smooth and effortless operation of triple outboards, with automatic synchronisation of engines' rpm. The digital electronic control ‘drive-by-wire’ system eliminates mechanical control cables, reducing installation time and costs.

Quad Binnacle Digital Control

This highly polished, ergonomic, top mounted control offers an extremely smooth and effortless operation of quad outboards, with automatic synchronisation of engines’ rpm. The digital electronic control ‘drive-by-wire’ system eliminates mechanical control cables, reducing installation time and costs.

Genuine Yamaha Propellers

Prop choice makes a huge difference to outboard acceleration, top-end speed, handling and fuel efficiency. That is why Yamaha continues to push the technological boundaries in the design and development of our leading range of high performance props - ensuring every Yamaha outboard performs at its peak.

Yamaha Shift Dampener System

Many of Yamaha's mid-range and high horsepower props come with Yamaha’s exclusive Shift Dampener System (SDS). This system absorbs forces created when an engine shifts in and out of gear, resulting in a quieter, smoother and ‘clunk free’ shifting.

Saltwater SDS

These stainless-steel propellers are renowned for their durability and superior mid-range fuel efficiency on large offshore boats - while their excellent anti-ventilation characteristics deliver improved handling in rough seas. This prop incorporates Yamaha's Shift Dampener System (SDS) for quieter and smoother shifting.

Remote Control Security System

Yamaha's optional Customer Outboard Protection (Y-COP) engine immobiliser system is easy to use and highly effective in stopping unauthorised start-ups when your boat is unattended. Simply push the button on the neat and simple remote to lock and unlock the engine.

Yamaha F225

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