I-4 Four Strokes

There’s a good reason why the legendary Yamaha F150 has enjoyed over a decade of unrivaled popularity. Powerful, light, nimble and compact, boaters know that its proven reliability is unmatched for everything from pontoons to flats boats to deep-V hulls. In fact, its versatile technology inspired the F200 and has served as the reliable foundation for remarkable advancements for both models. Whether your rigging is digital or mechanical, the entire lineup is compatible with your control preference. Plus, new integrated steering lets boaters hit the water with responsive performance, a cleaner bilge and more space on the boat for storage and comfort. Add in the sleek, modern cowling design and digital models now available in pearlescent white, and the I-4s just keep getting better and better, year after year.
A proven 16-valve DOHC In-Line design, with four valves per cylinder maximizes efficiency and power. It also streamlines design, giving the F200 impressive power-to-weight.
Precision Multi-Point Electronic Fuel Injection and long-track intake system combine to maximize power and fuel efficiency across the line of In-Line Fours.
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.

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COMPATIBLE CONTROLS FOR EVERY PLATFORM

The F200 and F150 are available with either digital or mechanical controls and even our next generation boat control system Helm Master® EX. In addition, the 26-inch mounting centers and bolt pattern on these models are the same as those on previous two-stroke models, making it easy for you to step up or down in horses without having to replace your rigging.

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I-4 Four Strokes Specs

  • IN-LINE 4 150 HP

    The F150 is one that started it all and it’s more popular than ever. Powerful, light and compact, it’s mechanical or digital compatible and uses integrated steering, making it more streamlined and responsive than ever before. Compatible with mechanical, digital or Helm Master® EX boat controls Comes with integrated electro-hydraulic steering for digital models and integrated hydraulic steering for mechanical models Only 520 pounds (20” shaft DEC model) Available in 20” or 25” shafts Powerful 50-amp alternator (2.8-liter digital) or 35-amp alternator (2.7-liter mechanical) Digital F150 available in new pearlescent white and signature Yamaha gray Mechanical F150 available in signature Yamaha gray

    Engine Type Inline 4
    Displacement 2.7L (Mechanical) / 2.8L (DEC)
    Bore x Stroke 94 x 96.2 (3.70 x 3.79in) / 96 x 96.2mm (3.78 x 3.79in)
    Prop Shaft Horsepower 150hp @ 5500 rpm
    Full Throttle RPM Range 5000 ~ 6000 rpm
    Alternator Output at W.O.T. 35 / 50 Amp
    Compression Ratio 9.0:1 / 10.3:1
    Fuel Induction System EFI
    Weight † 20” Mechanical 231kg (509 lbs) 20” DEC 237kg (522 lbs)
    Recommended Fuel Octane 87 / Octane 89
    Recommended Engine Oil Yamalube® 4M (See owner’s manual)
    Recommended Fuel Filtration Yamaha 10 Micron Fuel/Water Separating Filter (external)
    C.A.R.B. Rating 3-Star
    Exhaust Through Propeller
    Intake 16
    Ignition TCI Microcomputer
    Spark Plug NGK-LFR6A-11 / LFR5A-11
    Starting System Electric
    Lubrication Wet Sump
    Engine Oil Capacity 4.5L / 4.3L
    Recommended Cooling Thermostatic Control
    Ethanol Blend Limit 10% Maximum
    Gear Ratio 2.00:1
    Gear Shift F-N-R
    Shaft Length 20″ / 25″
    Degree of Tilt 70°
    Degree of Trim -4° through +16°
    Mounting Centers 26″
    Steering
    Steering Angle (maximum) 30° from center, either direction
    Warranty Limited 3 Year Limited Pleasure Boat – 1 Year Limited Commercial
  • IN-LINE 4 200 HP

    With impressive power-to-weight, volumetric efficiency and integrated steering, this I-4 is the perfect, lightweight 200-hp solution for small- to medium-size boats. Its unique Variable Camshaft Timing (VCT) improves intake and exhaust efficiency and boosts torque throughout the rev range. Compatible with mechanical, digital or Helm Master® EX boat controls Comes with integrated electro-hydraulic steering for digital models and integrated hydraulic steering for mechanical models Runs on economical 89 octane Only 525 pounds (20” shaft DEC model) 20” or 25” shaft options (LH rotation available in 25” shaft digital control) 50-amp alternator provides plenty of power for onboard electronics Digital F200 available exclusively in new pearlescent white Mechanical F200 available in signature Yamaha gray

    Engine Type Inline 4
    Displacement 2.8L
    Bore x Stroke 96 x 96.2mm (3.78 x 3.79in)
    Prop Shaft Horsepower 200hp @ 5500 rpm
    Full Throttle RPM Range 5000 ~ 6000 rpm
    Alternator Output at W.O.T. 50 Amp
    Compression Ratio 10.3:1
    Fuel Induction System EFI
    Weight † Mechanical – 234 kg (516 lbs) / DEC – 238 kg (525 lb)
    Recommended Fuel Octane 89
    Recommended Engine Oil Yamalube® 4M (See owner’s manual)
    Recommended Fuel Filtration Yamaha 10 Micron Fuel/Water Separating Filter (external)
    C.A.R.B. Rating 3-Star
    Exhaust Through Propeller
    Intake 16-valve
    Ignition TCI Microcomputer
    Spark Plug NGK-LFR6A-11
    Starting System Electric
    Lubrication Wet Sump
    Engine Oil Capacity 4.5L/4.3L w/without filter
    Recommended Cooling Thermostatic Control
    Ethanol Blend Limit 10% Maximum
    Gear Ratio 1.86:1
    Gear Shift Forward, Neutral, Reverse
    Shaft Length 20″ / 25″
    Degree of Tilt 70°
    Degree of Trim -4° through +16°
    Mounting Centers 26″
    Steering
    Steering Angle (maximum) 30° from center, either direction
    Warranty Limited 3 Year Limited Pleasure Boat – 1 Year Limited Commercial

Interested In A I-4 Four Strokes?

Naples Boat Mart is your premier destination for Yamaha Outboard Engines. Discover the power, reliability, and innovation of Yamaha’s world-renowned marine engines right here. Whether you’re a seasoned boater or a newcomer to the water, our expert team is dedicated to helping you find the perfect Yamaha Outboard Engine to suit your needs.

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