Description
Yamaha 115 outboard engine, is a popular, powerful, and versatile four-stroke, inline-four-cylinder engine.
Key features include its: Yamaha 115 outboard engine
.1.8-liter displacement.
.Dual overhead camshaft (DOHC) 16-valve design for optimized fuel use.
.Electronic fuel injection (EFI) for responsive performance.
The engine is known for its strong power-to-weight ratio and is available in different models, such as the F115 and the faster V MAX SHO 115.
Engine specifications
- Engine type: 1.8-liter, 16-valve, DOHC, inline-four-cylinder
- Fuel system: Electronic fuel injection (EFI)
- Horsepower: 115 hp
- Performance: Known for strong power-to-weight ratio and good mid-range responsiveness
- Ignition: TCI Microcomputer ignition system
Key features
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- Versatility: Suitable for a wide range of boats and often used for re-powering older boats
- Fuel efficiency: Features like the long-track intake system and free-flow exhaust contribute to efficient performance
- Optional Y-COP: An optional Yamaha Customer Outboard Protection (Y-COP) immobilizer system is available for security
- Digital network system: Some models come with a digital network system
- Color options: Available in both signature Yamaha gray and pearlescent white
Yamaha 115 HP outboard motor is a widely recognized and reliable four-stroke engine that was first introduced in 1999. It has gone through several redesigns, most notably in 2014 with the F115B model, which improved power-to-weight ratio and efficiency .
General Information and History
Yamaha was the first manufacturer to offer a 115 HP four-stroke outboard engine, a significant move at a time when two-stroke engines were still dominant.
The original Yamaha F115 model earned a reputation for exceptional reliability, often logging thousands of hours of use with minimal maintenance.
The engine’s success helped establish Yamaha’s reputation for durable, fuel-efficient, and quiet four-stroke outboards. The current generation features a 1.8-liter in-line four-cylinder engine with a double overhead camshaft (DOHC) and four valves per cylinder, which enhances performance and efficiency.
Specifications (Current F115 Model)
According to Yamaha Outboards and various marine sources, key specifications for the current Yamaha F115 engine include :
| Specification | Detail |
|---|---|
| Engine Type | Inline 4-cylinder, 16-valve, DOHC |
| Displacement | 1.8 L (1832cc) |
| Prop Shaft Horsepower | 115 HP at 5500 rpm |
| Fuel Induction System | Electronic Fuel Injection (EFI) |
| Weight | 171 kg (377 lbs) – 175 kg (386 lbs) |
| Full Throttle RPM | 5300 ~ 6300 |
| Alternator Output | 35 Amp at WOT |
| Starting System | Electric |
| Shaft Lengths | 20″ and 25″ options |
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