Description
Best For inshore fishing performance in a few less horses, turn to Yamaha’s 1-liter 50-hp midrange. Inspired by the F70’s ingenious design, it combines lightweight, exhilarating performance, valuable efficiency and the option of variable trolling via our Multi-Function Tiller Handle, Command Link® Tachometer or our new, helm-mounted remote Variable Trolling RPM Switch (VTS®).Yamaha FConvenience & Control
- CONTROL AND COMFORT: Our optional, award-winning Multi-Function Tiller handle features a Variable Trolling RPM Switch (VTS®). It allows for precision trolling speed adjustments in 50-RPM increments. Compatible with all Midrange models.
- EASY ENGINE FLUSHING: A Freshwater Flush Device allows you to flush the engine without running it, for added convenience and extended engine life.
- GAUGE COMPATIBILITY: Optional Command Link® gauges provide real-time outboard performance, boat systems and environmental data at your fingertips. Streamlined displays are designed to withstand the elements and are available in square or round styles for single- or multi-engine applications.
Power & Performance
- SINGLE OVERHEAD CAMSHAFT: A Single Overhead Camshaft (SOHC) on the F70, F60 and F50 provides a compact, lightweight, space-saving design.
- FUEL ECONOMY: Precision Multi-Point Electronic Fuel Injection delivers the exact amount of fuel needed for optimum performance and efficiency. Yamaha’s EFI optimizes fuel atomization further enhancing fuel economy.
- POWERFUL HOLE SHOT: A Composite Intake Manifold features long tube intake tracks, tuned to increase airflow, which boosts 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 smooth, quiet operation.
- OPTIMUM PERFORMANCE: A TCI microcomputer ignition adjusts timing to maintain optimal engine performance, economy and power under all operating conditions.
- PRECISE THROTTLE CONTROL: All air entering the engine block is routed through a single throttle valve, to ensure the precise amount of air necessary for optimum power and fuel efficiency. It then enters each cylinder through individual long intake tracks, which are ‘pulse tuned’ to provide air at the precise volume and timing for maximum density and power.
Reliability & Durability
- CORROSION PROTECTION: 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 the Yamaha Midrange 70-, 60- and 50-horsepower four strokes.
- ENGINE WARNING SYSTEM: This system protects the outboard with a range of functions including overheat protection and low-oil-pressure warning (automatically reducing maximum RPM to 2000), over-rev protection, water-in-fuel detection, start-in-gear protection and shift-in prevention at open throttle.
- WET SUMP: The F70, F60 and F50 use a pressurized oil delivery system and incorporate a compact and durable oil pump to keep all of the moving parts of their SOHC systems lubricated and running smoothly for maximum reliability.
- MAGNETIC DRAIN PLUG: Located in the lower unit to remove metal particles from the gear oil and prevent gearcase damage.
Convenience & Control
- CONTROL AND COMFORT: Our optional, award-winning Multi-Function Tiller handle features a Variable Trolling RPM Switch (VTS®). It allows for precision trolling speed adjustments in 50-RPM increments. Compatible with all Midrange models.
- EASY ENGINE FLUSHING: A Freshwater Flush Device allows you to flush the engine without running it, for added convenience and extended engine life.
- GAUGE COMPATIBILITY: Optional Command Link® gauges provide real-time outboard performance, boat systems and environmental data at your fingertips. Streamlined displays are designed to withstand the elements and are available in square or round styles for single- or multi-engine applications.
Power & Performance
- SINGLE OVERHEAD CAMSHAFT: A Single Overhead Camshaft (SOHC) on the F70, F60 and F50 provides a compact, lightweight, space-saving design.
- FUEL ECONOMY: Precision Multi-Point Electronic Fuel Injection delivers the exact amount of fuel needed for optimum performance and efficiency. Yamaha’s EFI optimizes fuel atomization further enhancing fuel economy.
- POWERFUL HOLE SHOT: A Composite Intake Manifold features long tube intake tracks, tuned to increase airflow, which boosts 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 smooth, quiet operation.
- OPTIMUM PERFORMANCE: A TCI microcomputer ignition adjusts timing to maintain optimal engine performance, economy and power under all operating conditions.
- PRECISE THROTTLE CONTROL: All air entering the engine block is routed through a single throttle valve, to ensure the precise amount of air necessary for optimum power and fuel efficiency. It then enters each cylinder through individual long intake tracks, which are ‘pulse tuned’ to provide air at the precise volume and timing for maximum density and power.
Reliability & Durability
- CORROSION PROTECTION: 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 the Yamaha Midrange 70-, 60- and 50-horsepower four strokes.
- ENGINE WARNING SYSTEM: This system protects the outboard with a range of functions including overheat protection and low-oil-pressure warning (automatically reducing maximum RPM to 2000), over-rev protection, water-in-fuel detection, start-in-gear protection and shift-in prevention at open throttle.
- WET SUMP: The F70, F60 and F50 use a pressurized oil delivery system and incorporate a compact and durable oil pump to keep all of the moving parts of their SOHC systems lubricated and running smoothly for maximum reliability.
- MAGNETIC DRAIN PLUG: Located in the lower unit to remove metal particles from the gear oil and prevent gearcase damage.
General Information
ManufacturerYamahaModel Year2018ModelF50 Midrange Mechanical 20Model CodeF50LBColorGreyElectrical
Alternator Output16 AmpEngine
Engine TypeInline 4IgnitionTCI MicrocomputerStartingElectricExhaustThrough propellerMeasurements
Power50 HorsepowerDisplacement996 Cubic CentimeterBore x Stroke65 x 75 mm (2.56 x 2.95 in.)Shaft Length20″Dry Weight247 lbsOperational
Fuel TypeUnleadedUseFresh and Salt WaterFull Throttle RPM Range5,000 – 6,000 rpmFuel InductionEFILubrication Wet sump Recommended oil – Yamalube® 4M Oil capacity with filter – 2.1 l Oil capacity without filter – 1.9 lGear ShiftForward, neutral, reverseTrim System Power trim and tilt -4° through +16° Degree of Tilt – 69° WHAT’S IN THE BOX? 1 X Fuel Tank 1 X Quick Connect Fuel Line tilt switch 1 x Teleflex SL3 Throttle control Top or side Mount? + Free Installation Universal Cables 1 X Book Owner’s Manual Guide from the manufacturer 1 X Ebook Installation Guide & And how to take care of the engine properly. 3 X Cable Protection System Length 800mm
General Information
Manufacturer
Yamaha
Model Year
2018
Model
F50 Midrange Mechanical 20
Model Code
F50LB
Color
Grey
Electrical
Alternator Output
16 Amp
Engine
Engine Type
Inline 4
Ignition
TCI Microcomputer
Starting
Electric
Exhaust
Through propeller
Measurements
Power
50 Horsepower
Displacement
996 Cubic Centimeter
Bore x Stroke
65 x 75 mm (2.56 x 2.95 in.)
Shaft Length
20″
Dry Weight
247 lbs
Operational
Fuel Type
Unleaded
Use
Fresh and Salt Water
Full Throttle RPM Range
5,000 – 6,000 rpm
Fuel Induction
EFI
Lubrication
Wet sump Recommended oil – Yamalube® 4M Oil capacity with filter – 2.1 l Oil capacity without filter – 1.9 l
Gear Shift
Forward, neutral, reverse
Trim System
Power trim and tilt -4° through +16° Degree of Tilt – 69°
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