2017 Yamaha F115 In-Line Four - 25 in. Shaft

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Availability
Brochure
Year
2017
Manufacturer
Yamaha
Model
F115 In-Line Four - 25 in. Shaft

Overview

Description

For Those Who Know A Good Time -- When They Drive It.



You’re here to wake up the water. Count on Yamaha’s reliable In-Line four strokes to power the fun. Our in-line four-cylinder designs and electronic fuel injection make these babies strong, nimble, compact and light weight. In other words, they’re up for anything, making them the perfect power for cruising, skiing and sport fishing on flats, decks and offshore boats, and pontoons or deep-V hulls. We’ve even freshened up the best-selling 150-horsepower four-stroke outboard by refining the cowling drainage and adding a tough 8-tooth “dog clutch” to make this dependable workhouse even more reliable.



Lightweight power is one of the many reasons In-Line Fours are bestsellers. They also offer:



Amazing Acceleration: Variable camshaft timing and four tuned intake tracks increase low-and mid-range torque, boosting acceleration on the F200.



Power/Reliability: 16-valve direct drive DOHC maximizes power by using four valves per cylinder, eliminating rocker arms and their adjustments and increasing air supply and volumetric efficiency for better performance on the F200, F175, F150 and F115.



Exceptional Performance: Our In-Line Four family features electronic fuel injection controlled by the Engine Control Module. It continually adjusts the fuel/air mix to properly match engine load and speed.



Minimized Vibration: Counterbalancing technology on the F200, F175, F150 and F115 minimize engine vibration for a smooth ride.

Power and Performance Benefits
  • Smart Design: Compact and lightweight, our in-line four-cylinder design is quiet, clean-burning and fuel efficient, with power to spare.
  • Power & Efficiency: A 16-Valve Double Overhead Cam with individual intake and exhaust camshafts provides more precise valve timing control and has less moving parts for less maintenance. This superior design also allows for use of four compact valves per cylinder, which exchanges intake and exhaust gases more efficiently for better power and increased fuel economy.
  • Fuel Economy: Multi-Point Electronic Fuel Injection is controlled by the ECM (Engine Control Module). Four individual fuel injectors provide the precise amount of fuel for each individual cylinder. Optimal fuel atomization provides better combustion, further enhancing performance and fuel economy.
  • Acceleration: A 10mm Offset Crankshaft allows for larger intake volume design. Four tuned intake tubes boost torque in low and mid-speed ranges for quick acceleration.
  • Powerful Hole Shot: The Composite Intake Manifold is a lightweight, compact design, making these engines very versatile. Long Tube Intake Tracks are tuned to increase airflow, boosting low-end and midrange torque. This means a more powerful hole shot and increased acceleration. Even with all this responsive power, an air silencer box and surge tank reduce air intake noise and air turbulence for smoother operation.
  • Optimum Overall Performance: Microcomputer Ignition adjusts timing to maintain optimum engine performance, economy and power under all operating conditions.
  • Ultra-Low Emissions: All Yamaha In-Line Four strokes are California Air Resources Board (C.A.R.B.) Three-Star Rated for Ultra-Low Emissions and meet all federal EPA requirements.
Reliability and Durability Benefits
  • Corrosion Resistance: Combined with our proprietary alloy (YDC-30), our exclusive Phaze Five™ electro-deposited, anti-corrosive paint system provides a tough, five-layer barrier against corrosion. This protection is standard on all Yamaha inline four stroke engines.
  • Warranty Protection: All Yamaha four strokes are protected by our Three-Year Limited Warranty for pleasure use. Beyond that, Yamaha Extended Service (Y.E.S.) plans are available, for continued coverage after your three-year factory warranty expires.
  • Anti-Corrosive Barrier: Our exclusive YDC-30 Alloy is the most corrosion-resistant base material in the industry. Used with our exclusive Phaze Five™ electro-deposited, anti-corrosive paint process provides an extra-tough barrier against corrosion. This protection is standard on all Yamaha inline four strokes.
  • Improved Operation: A new 8-tooth “clutch dog” replaces the previous 6-tooth version to make shifting smoother than ever. Add that to the new lightweight composite cowling for improved reliability all around.
Convenience and Control Benefits
  • Smooth Operation: Unique Twin counter-balancing technology counteracts vibration normally associated with internal moving parts for smooth operation and a pleasant boating experience.
  • Ergonomic Control: Yamaha’s award-winning, Multi-Function Tiller Handle (optional only on the F115) features Variable Trolling Speed (VTS™), allowing you to fine-tune your trolling speed in 50-RPM increments with the touch of a button. Power Trim and Tilt is positioned next to the twist grip for easy, ergonomic control.
  • Fewer Fill-ups: Yamaha’s In-Line Four strokes blend fuel economy with power and performance.
  • Extended Trim: Extended Trim Range delivers better acceleration-to-plane and top-end speed. The tilt range is a full 70° for tilting the engine above the waterline.
  • Easy Engine Flushing: A Freshwater Flush Device allows you to flush the engine without running it, for added convenience and extended engine life.
Power/Performance Features
  • Four Stroke Engine Design
  • Compact 10mm Offset Crankshaft
  • Large Volume Air Intake
  • Precision Multi-Point Fuel Injection
  • DOHC (Double Overhead Camshaft)
  • 4-Valves Per Cylinder
  • Long Track Induction System
  • Compact, Lightweight Design
  • Labyrinth Exhaust
  • 4-1 Exhaust System
  • Counterbalancing Technology
  • Powerful 4-Cylinder 111 cu in.
  • Single Throttle Valve
Reliability/Durability Features
  • TCI Microcomputer
  • Direct Drive System
  • Wet Sump Lubrication
  • Engine Warning System
  • Sacrificial Anodes
  • YDC-30 Aluminum Alloy
  • Phaze Five™ Paint System
  • Electro-deposited Powerhead Paint Process
  • Top Mounted Electrical
  • Forged Pistons
  • Super Tight Cowling Mounting
  • Heat Treated Gears
  • High Output Alternator
  • SST Drive, Prop, Shift Shafts
  • SST Steering Tube
  • Magnetic Drain Plug
  • Cowling Air Intake Water Draining System
  • On-engine water separating fuel filter
  • Water-cooled rectifier regulator
  • Fuel Cooler
Convenience/Control Features
  • Power Trim and Tilt
  • Freshwater Flush
  • Easy Maintenance
  • Counter Rotation "LF" Model: Available with or without
  • Yamaha Diagnostic System: Compatible
  • Single Belt Drive System
  • Reversible PTT Switch
  • Multi Charge Monitoring System
  • External Tilt Switch
Specifications
  • Engine Type: In-Line Four Cylinder
  • Displacement: 1832cc (111.8 ci)
  • Bore x Stroke: 81 x 88.9mm (3.19 x 3.5 in.)
  • Prop Shaft Horsepower: 115 hp @ 5500 rpm
  • Compression Ratio: 10.0:1
  • Fuel Induction: Electronic Fuel Injection
  • Exhaust: Through Propeller
  • Intake: Single Throttle Valve
  • Ignition: TCI Microcomputer
  • Spark Plug: LKR6E
  • Alternator Output: 35 Amp
  • Starting System: Electric w/ PTT
  • Lubrication: Wet Sump
  • Engine Oil Capacity: 3.4 quarts/3.2 quarts without filter
  • Full Throttle RPM Range: 5000 ~ 6000 rpm
  • Cooling: Water/Thermostatic Control
  • Recommended Engine Oil: Yamalube® 4M (See owner's manual)
  • Recommended Fuel: Regular Unleaded (Minimum Pump Octane 87)
  • Recommended Fuel Filtration: Yamaha 10 Micron Fuel/Water Separating Filter (external)
  • Ethanol Blend Limit: 10% Maximum
  • Gear Ratio: (28:13) 2.15:1
  • Gear Shift: Forward, Neutral, Reverse
  • Shaft Length: X = 25 in.
  • Degree of Tilt: 70 deg.
  • Degree of Trim: -4 deg. through +16 deg.
  • C.A.R.B. Rating: 3-Star
  • Dry Weight: 386 lb.
  • Mounting Centers: 26 in.
  • Steering Angle (maximum): 35 deg. from center, either direction
  • Warranty: 3-year Pleasure, 3-Year Government, 1-year Commercial

Specs

Engine

Engine Type
In-Line Four Cylinder
Bore x Stroke
3.19 x 3.5 in. (81 x 88.9mm)
Displacement
1832cc (111.8 ci)
Starting
Electric w/ PTT

Dimensions

Shaft Length
25 in.
Weight
386 lb.

General

Propshaft Horsepower
115 hp @ 5500 rpm
Full Throttle Operating Range
5000 ~ 6000 rpm
Gear Ratio / Shift
(28:13) 2.15:1 / Forward, Neutral, Reverse
Fuel Induction
Electronic Fuel Injection
Alternator
35 Amp
Cooling
Water/Thermostatic Control
Warranty
3-year Pleasure, 3-Year Government, 1-year Commercial

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