Yamaha Marine Outboard | 115HP | Four Stroke | Long Shaft | Electric Start
The innovative, lightweight design F115 lets you relax and enjoy your boat to the full – knowing you're powered by one of the cleanest, smoothest engines on the planet.
DELIVERING THE BEST POWER-TO-WEIGHT IN THE CLASS.
Not only is the engineering impressive - this is a 1.8 litre, 16 big-Valve, in-line 4-cyl DOHC 4-stroke - but it's blended with a host of electro/technical features to make life easier: Compatibility with our optional Digital Network System, Wide Range Power Trim & Tilt with Tilt angle limiter and Y-COP® remote security system (both optional) to name but a few.
The efficiency of our well proven EFI systems and other new combustion technologies ensure the utter dependability of this outstanding Yamaha engine.
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General Info
Transom height |
L516X:643mm |
Fuel tank capacity |
– |
Oil pan capacity |
3.2litres |
Weight without propeller |
173kg – 177kg |
Features
1,832cc 16-Big-Valve DOHC in-line 4-cylinder 4-stroke
With its innovative intake and exhaust valve design – and twin camshafts, each driven independently – the 115hp’s intake and exhaust efficiency are dramatically improved, optimising fuel use during combustion. The TCI ignition system ensures easy starting, consistent running, longer plug life – and complete dependability.
Compact, lightweight design – ideal for re-powering
The versatile 115hp is the leading power-to-weight performer in its class, making it the ideal choice for a wide range of activities – and opening up exciting opportunities for re-powering. The remarkable, powerful performance and smooth 4-stroke efficiency bring a new lease of life to older boats of many types and sizes.
Yamaha Customer Outboard Protection (Y-COP) option
The optional Y-COP immobiliser system is simple, easy to use and highly effective – a neat and simple remote control locks and unlocks the engine at the push of a button. This prevents your outboard engine being taken for any unauthorised joyrides, offering you peace of mind when leaving your boat unattended.
Digital Network System option – clear, accurate information
The 115hp is the perfect fit for Yamaha’s Digital Network System and Gauges – maximising their performance and efficiency: Multifunction Tachometer with RPM, Hours Run, Trim Angle, Oil Pressure, Warning lamps and Variable Trolling RPM control – and a Speed/Fuel Management Gauge with Tank Capacity and Fuel Economy.
Variable Trolling RPM Control – no more speeding worries
A very relaxing and reliable system, which is standard on the 115hp. Simply set and hold the low speed rpm (between 600 & 1000) in 50 rpm steps, using a button on the tachometer – or on the multi-function tiller handle. This advanced system resets automatically when the throttle is moved again.
35 Amp High Output alternator
A special High Output alternator system is fitted as standard on the 115hp, to ensure that plenty of power is available for engine starts – even after long periods at low RPM or when using multiple accessories. A comforting thought when you’re out fishing – at night – or planning a long, lazy day on the river.
Counter-rotating propeller model
A standard twin-engine installation (both propellers turning clockwise) tends to pull the boat towards the port side, especially at higher speed, making steering more difficult. So the 115hp is offered with a counter-rotating propeller to fit alongside the standard model, giving the driver control with ‘neutral helm’ at any speed.
Additional Features
Control |
Remote Control |
Trim & Tilt method |
Power Trim & Tilt |
Light coil / Alternator Output |
12V -35Awith rectifier/regulator |
Engine immobilizer |
YCOP optional |
Propeller |
Optional |
Counter Rotation Model |
Available (ETX) |
Variable Trolling Speed |
With DN Gauges or m-f tiller handle |
Shift Dampener System (SDS) |
Optional |
Remark |
The kW data in this sheet is based on the ICOMIA 28 standard, measured at the prop shaft |
Specifications
Engine type |
4-stroke |
Displacement |
1,832 cm³ |
No. of cylinders/Configuration |
4/In-line, 16-valve, DOHC |
Bore x stroke |
81.0 mm x 88.9 mm |
Prop shaft output at mid range |
84.6 / 5,800 rpm |
Full Throttle Operating Range |
5,300 – 6,300 rpm |
Lubrication system |
Wet sump |
Fuel Induction System |
EFI |
Ignition / advance system |
TCI |
Starter system |
Electric with Prime Start™ |
Gear ratio |
2.15 (28:13) |