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Home » Yamaha Outboards » High HP 4-Strokes » High HP Four Stroke F115
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 F115 incorporates larger intake and exhaust valves which enhance response, efficiency and mid-range torque.
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.
This engine offers a counter rotating propeller option for improved steering control for twin engine setups, ensuring the vessel maintains a 'neutral helm' at any speed.
We take out the guess work in buying a new outboard, by rigorously testing our engines on Australia's most popular boat brands. See how the F115 performs for acceleration, fuel economy and top-end speed on your favourite boat.
Yamaha offers a range of rigging options to suit every boat. Check out the full suite of controls, gauges, switches, props and other technologies, plus outboard performance data.
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.
The crankshaft design is offset by 5mm from the centre of the cylinder. This innovative design decreases internal friction and promotes a more efficient transfer of power to the crankshaft.
Yamaha’s Shift Dampener System (SDS), built into selected Yamaha propellers, delivers smooth and quiet operation when shifting in and out of gear by absorbing the force that is created.
The compact and light-weight single ram power, trim and tilt (PTT) unit and bracket have been developed exclusively for this engine.
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) | |
Displacement (cc) | 1832.0 |
Recommended Maximum RPM | 5300-6300 |
Fuel Management | EFI |
Ignition | TCI |
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 Tiller Handle Available) |
Trim and Tilt Method | Power Trim & Tilt |
Digital Gauges | Optional |
Command Link Gauges | Optional |
Transom Height (mm [inch]) | L: 516 [20.3] | X 643 [25.3] |
Dry Weight (kg) | L: 171 | X: 176 |
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Chivers Marine
An iconic name in Boating in Western Australia, Chivers Marine has been selling quality marine products since 1958.
The business that Laurie Chivers established over 60 years ago is still family owned and operated with Luke Chivers at the helm.
If you are looking for specialist advice and exceptional value Chivers Marine offers only the best brands supported by the best aftersales service in the industry
Chivers Marine
An iconic name in Boating in Western Australia, Chivers Marine has been selling quality marine products since 1958.
BUSINESS HOURS
We are closed 23rd Dec – 1st Jan.
Last day of trade Friday 22nd Dec.
Back on deck Tuesday 2nd Jan.