Yamaha VMAX Four Stroke 115HP Outboard Engine

Yamaha VMAX Four Stroke 115HP Outboard Engine
VF115

When it comes to exhilarating performance, no other engine matches the speed, weight and smarts of Yamaha’s VMAX SHO (Super High Output) four-stroke engines.

The VMAX SHO high performance range was recently expanded to include the VF115, allowing smaller horsepower rated boats to take advantage of this high performance platform. This in-line four cylinder, 1.8 litre outboard is tuned to deliver additional top-end performance for high performance sports such as bass fishing, skiing and racing.

The VF115 has achieved significant weight reductions, by utilising a lightweight composite lower pan and cowling, a single-ram power trim and tilt mechanism, and a lightweight mounting bracket, delivering an exceptional power-to-weight performance. This compact, lightweight and capable engine delivers a performance typically associated with a two stroke, but with the convenience, reliability and whisper quietness of a four-stroke.

Yamaha VMAX VF115 Half
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1832cc Four-Cylinder Engine

The 16 valve, 1.8 Litre, dual overhead camshaft design delivers superior efficiency in the transfer of intake and exhaust gasses throughout the RPM range. The VF115 incorporates larger intake and exhaust valves which enhance response, efficiency and mid-range torque.

81MM Cylinder Bore

The cylinder bore size has been increased from 79mm to 81mm which provides more engine torque. A larger valve was adopted for increased transfer efficiency for both intake and exhaust.

Direct Ignition

The direct ignition system with a plug cap and an ignition coil provides higher reliability and increased performance.

Electronic Throttle Valve

The electronic throttle valve makes precise throttle movements according to engine temperature and atmospheric conditions, to deliver incredible response, awesome power and exceptional fuel economy.

Multi-Point Electronic Fuel Injection

The Multi-Point Electronic Fuel Injection (EFI) system, injects the right amount of fuel into the combustion chamber at the optimum timing, for ‘first-time, every-time’ hot and cold starting, improved fuel efficiency, excellent throttle response.

Offset Crankshaft

The crankshaft design is offset 5mm from the centre of cylinder for more efficient transfer of power to the crankshaft.

Single Ram Power Trim and Tilt

The compact and light-weight single ram power, trim and tilt (PTT) unit and bracket have been developed exclusively for this engine.

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.

Engine Type

4-Stroke, 16 Valve DOHC Direct Action In-line 4

Bore x Stroke (mm)

81 X 88.9

Fuel Tank Capacity (l)

User Selectible

Displacement (cc)

1832.0

Fuel Management

EFI

Ignition

TCI

OEDA Emission Rating

3

Lubrication System

Wet-sump

Alternator Output

12V – 35A with Rectifier Regulator

Gear Ratio

2.15 : 1 (Counter Rotating Prop Available)

Starter System

Electric

Operation Method

Mechanical control (Optional Multifunction Tiller)

Trim & Tilt Method

Power Trim & Tilt

Digital Gauges

Optional

Transom Height (mm [inch])

L: 516 [20.3] | X: 643 [25.3]

Weight

L: 171 | X: 176

Conventional - 6Y5 Round Gauges

Yamaha’s conventional digital multi-function gauges provide the real-time data required to maximise outboard performance and fuel efficiency. The two and three gauge illuminated display options provide rpm, trim, oil, speed, distance, time, overheating, battery, fuel economy/flow/consumption stats.

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.

6x3 Concealed Side-Mounted Control

With its stylish chrome finish and ergonomic design, this mechanical control not only looks good, but provides effortless one-hand operation. The trim and tilt switch is comfortably located on the handle and features easily accessible neutral warm-up controls and externally adjustable throttle friction.

704 Premium Single Binnacle Control

This highly-polished, stylish looking, top mounted control allows for effortless one-handed control. The ergonomic design features a thumb operated trim and tilt switch built into the handle, as well as shift and throttle control functions, for convenient and comfortable operation.

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.

Alloy White K Series

These props deliver Yamaha's high-quality design and performance in a low-cost, lightweight propeller. They offer a good all-round choice for Yamaha outboards, coming in a wide range of sizes and pitches to suit every power requirement.

Alloy GP K Series

The newly released aluminium GP introduces a renewed blade geometry and Yamaha’s Shift Dampener System (SDS) for ‘clunk free’ shifting to the K series of props. Suited to lighter hulls, this exceptional prop delivers improved acceleration, speed, fuel economy and anti-ventilation.

Stainless Steel Talon K

These polished stainless steel props deliver exceptional anti-ventilation properties, allowing for increased engine trim range, improved bow lift, greater fuel efficiency and better handling. They also come with Yamaha’s exclusive Shift Dampener System (SDS) for smoother and quieter shifting.

YCOP Remote Control Security System

Yamaha’s 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.

Yamaha VMAX VF115

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