Yamaha Outboards 40HP | F40JEA

Yamaha F40JEA 40 HP Four-Stroke Jet Drive Outboard: Electric Start, Long Shaft, Remote Control for Ultimate Shallow Water Access and Precision

The Yamaha Outboards 40HP | F40JEA.

Are you searching for an outboard motor capable of navigating challenging shallow waters, rocky rivers, and tricky shoals where conventional propeller-driven boats simply cannot go? Specifically, do you require an engine that delivers robust 40 horsepower (30 HP at the jet pump) with effortless electric starting, precise remote control, and the incredible maneuverability unique to a jet drive?

Shop the Yamaha F40JEA 40HP (30HP Jet) 4-stroke jet drive outboard with 20″ long shaft, electric start, remote control, & EFI. Features 99kg three-cylinder design, Nitro-Assist Tilt. Ideal for shallow water, rivers, rocky areas, console boats. Powerful & efficient.

The Yamaha F40JEA 40 HP Four-Stroke Jet Drive Outboard Motor is an exceptional choice for serious boaters. It demands reliable, fuel-efficient, and responsive performance from a streamlined, long-shaft package, coupled with the convenience of electric start and precise remote operation from the helm.

Indeed, the F40JEA is purpose-built for specialized applications where propeller obstruction is a constant concern. While rated at 40 horsepower at the powerhead, it effectively produces approximately 30 HP at the jet pump, which is the usable thrust delivered to the water. It features a critical 20-inch long shaft (508 mm or 20 inches). Consequently, this ensures optimal intake depth for the jet pump, particularly on vessels with higher transoms, such as flat-bottom river boats, jon boats, or airboat-style hulls.

Crucially, it comes equipped with a smooth electric start system, which makes starting effortless. Additionally, this model is designed for remote mechanical control, providing precise command from a console. Moreover, it typically features Manual Trim with Nitro-Assist Tilt, which aids in lifting the engine. Furthermore, this model integrates Electronic Fuel Injection (EFI) for quick starts, impressive efficiency, and quiet operation. Ultimately, the F40JEA ensures a smooth, highly efficient, and exceptionally maneuverable boating experience, making it a truly dependable and adaptable power source for those needing to conquer the most challenging, shallow waterways with electric start and remote control convenience.

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Decoding the F40JEA Model Code

The “JEA” in the Yamaha F40JEA model designation precisely defines its characteristics.

Jet Drive (“J”)

Specifically, the “J” signifies that this is a Jet Drive outboard. This is the most crucial distinction, indicating it has no external propeller or lower unit. Instead, it propels the boat by expelling a high-velocity stream of water.

Electric Start (“E”)

Next, the “E” stands for Electric Start. This indicates that the engine starts effortlessly using an electric starter motor, typically with a key switch or push-button.

Remote Control (“A” for Mechanical Remote)

Furthermore, the “A” in F40JEA, when distinct from “H” (tiller handle), indicates that the engine is configured for Remote Mechanical Control. This means it is operated from a helm station using mechanical throttle and shift cables, and often comes with a remote key switch.

Therefore, the F40JEA is meticulously engineered for boaters who prioritize shallow water access, significant portable power, the convenience of electric starting, and precise control from a remote helm station, often with manual trim and Nitro-Assist Tilt.

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Why the Yamaha F40JEA Excels: Key Advantages

For boaters requiring a genuinely powerful yet lightweight outboard with the critical advantage of navigating extremely shallow waters, the luxury of electric start, remote control, and advanced features, the Yamaha F40JEA truly stands out.

Unparalleled Shallow Water Performance (Jet Drive)

Primarily, the defining feature of the F40JEA is its Jet Drive lower unit. Consequently, with no propeller or skeg extending below the hull, this outboard can operate in incredibly shallow water (often just inches deep) without fear of striking rocks, logs, or other submerged obstructions. This makes it ideal for navigating rocky rivers, whitewater rapids, shoals, and skinny water flats that would be impassable for conventional prop-driven outboards. Thus, it provides exceptional freedom to explore previously inaccessible areas.

Responsive and Efficient Three-Cylinder Engine

Indeed, the F40JEA is driven by a 747cc SOHC (Single Overhead Camshaft) three-cylinder four-stroke engine. As a result, this large displacement boasts excellent low-down torque and robust mid-range power. While rated at 40 HP at the powerhead, it produces approximately 30 HP at the jet pump (at 5500 RPM). Moreover, this provides significant thrust for quick hole shots, better acceleration, and efficient operation for jet-specific applications.

Electronic Fuel Injection (EFI) for Superior Performance

A key enhancement in the F40JEA is its Electronic Fuel Injection (EFI) system. As a result, this multi-point EFI system, controlled by an Engine Control Module (ECM), precisely meters fuel to each cylinder. Consequently, this leads to dependable, “first-time, every-time” hot and cold starts. Furthermore, it ensures improved fuel efficiency, smoother acceleration, and excellent throttle response across the entire RPM range, crucial for navigating dynamic river conditions.

Long Shaft for Optimal Water Depth

Crucially, the 20-inch long shaft is a defining feature. It ensures the jet pump intake is adequately submerged to prevent cavitation, especially on boats with higher transoms designed for jet drives.

Optimal Power-to-Weight Ratio

Furthermore, weighing approximately 99 kg (219 lbs), the F40JEA offers a competitive balance between power and portability for a 40 HP electric start long-shaft jet outboard with EFI. This ensures it’s powerful enough for diverse uses, yet remains manageable for mounting and removal, offering a solid weight advantage in its class.

Effortless Electric Start and Nitro-Assist Tilt

Moreover, the electric start system provides unparalleled convenience. Simply put, manual pull-starting is completely eliminated; a simple turn of a key or push of a button brings the engine to life. As a result, this makes operation much easier, especially in unpredictable conditions. Additionally, the Nitro-Assist Tilt system makes manually tilting the motor almost effortless, improving ease of use for launching, beaching, or navigating extremely shallow spots where the jet may need to be raised.

Precise Remote Mechanical Control

The F40JEA is designed for remote mechanical control from a helm station. Consequently, this setup provides precise and comfortable control over steering, throttle, and gear shifting. Thus, it’s ideal for boats with steering consoles or side consoles where direct tiller operation is not preferred or practical. This allows for clear forward visibility and a more integrated boating experience, with optional Command Link® gauge compatibility for real-time data.

Clean, Smooth, and Quiet Four-Stroke Power

The F40JEA features a 747cc three-cylinder, SOHC four-stroke engine. As a result, this design ensures exceptionally quiet, smooth, and fuel-efficient operation with ultra-low emissions. In addition, it boasts a CARB 2-Star Rating, signifying its environmentally responsible performance (some sources may cite 3-star depending on specific model year, always verify latest). Ultimately, features like its single throttle valve, long-track induction system, and through-jet nozzle exhaust contribute to its remarkably quiet operation.

High-Output Alternator for Onboard Power

Significantly, the F40JEA offers a robust 16-17 amp alternator output (12V – 17A), which is ample for powering onboard electronics and reliably charging your battery (with an included rectifier/regulator). This is a crucial feature for electric start models, ensuring your battery is always ready.

Legendary Yamaha Durability and Corrosion Protection

Naturally, like all Yamaha outboards, the F40JEA benefits from Yamaha’s commitment to durability. Indeed, it features a robust design with superior corrosion protection. This includes Yamaha’s unique YDC-30 aluminum alloy, a 5-stage Phaze Five™ anti-corrosive paint system, multiple sacrificial anodes, zinc coating, and high-quality marine-grade stainless steel components. All these elements are designed to withstand harsh marine environments and ensure years of reliable service. Furthermore, its pressurized oiling system minimizes engine wear for extended engine life. Plus, a freshwater flushing system allows for easy rinsing of salt and dirt without running the engine, vital for jet drives used in silty or sandy conditions.

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Core Features of Your Yamaha F40JEA 40 HP Four-Stroke Jet Drive Outboard

Here’s a breakdown of the key features that make the Yamaha F40JEA an outstanding choice:

Engine Performance and Technology

• 40 Horsepower (Powerhead) / 30 HP (Jet Pump): While rated at 40 HP, the 30 HP at the jet pump delivers effective thrust for shallow-water applications, providing strong performance where it matters most.
• Smooth 747cc Three-Cylinder SOHC Engine: The 747cc, three-cylinder, SOHC (Single Overhead Camshaft) engine provides a compact, lightweight design that delivers consistent, smooth, and quiet power with minimal vibration.
• Electronic Fuel Injection (EFI): The multi-point EFI system ensures dependable “turn-key” starting, enhanced fuel efficiency, and excellent throttle response in all conditions.
• Variable Trolling RPM Switch (VTS) Compatibility: The F40JEA offers the option of variable trolling via optional Command Link® Tachometer or a helm-mounted remote VTS® switch, allowing fine-tuning of trolling speeds in 50-RPM increments.

Jet Drive Specifics

• Prop-Free Operation: No propeller or lower unit extending below the hull, allowing access to extremely shallow waters (rocky rivers, shoals, rapids).
• Enhanced Maneuverability: Jet drives offer exceptional maneuverability, allowing for tighter turns and precise control, particularly in challenging river currents.

Starting and Control Systems

• Electric Start: The engine features a convenient and reliable electric start system. This eliminates manual pull-starting and makes operation effortless.
• Remote Mechanical Control: Designed for remote mechanical control, this outboard allows for precise steering, throttle, and gear shifting from a helm station.
• Nitro-Assist Tilt System: This feature makes tilting the outboard up or down almost effortless, improving ease of use for navigating very shallow water or trailering.

Shaft Length and Weight

• Long (20-inch) Shaft: The “L” in F40JEA signifies a 20-inch (Long Shaft) length (approx. 508 mm transom length). This is essential for proper jet pump depth on boats with higher transoms.
• Lightweight and Compact Design: Weighing approximately 99 kg (219 lbs), this is a very competitive weight for a 40 HP (30HP jet) electric start, EFI, three-cylinder, long-shaft model with remote control, offering an excellent power-to-weight ratio.

Electrical and Charging Capabilities

• High-Output Alternator (16-17 Amps): The F40JEA features a powerful 16-17 amp alternator output (12V – 17A) with a rectifier/regulator. This ensures reliable battery charging and ample power for onboard electronics, even at lower RPMs.

Durability and Environmental Compliance

• Legendary Yamaha Reliability and Corrosion Protection: Built with Yamaha’s renowned quality, the F40JEA features a robust design and superior corrosion protection (YDC-30 alloy, 5-stage Phaze Five™ paint process, multiple sacrificial anodes, stainless steel components) to ensure long-term durability in various marine environments. It also includes a freshwater flushing system for easy rinsing, particularly beneficial for jet pumps that ingest more sediment.
• CARB 2-Star Rating: The F40JEA typically holds a 2-Star C.A.R.B. (California Air Resources Board) rating, indicating low emissions and compliance with environmental standards.

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Ideal Applications for Your Yamaha F40JEA 40 HP Jet Drive Outboard

The Yamaha F40JEA is an excellent choice for a specific range of craft designed for extreme shallow water operation, where remote control from a helm is preferred.

River Boats and Jon Boats (with Consoles)

Specifically, this is an ideal engine for navigating shallow, rocky, or whitewater rivers when controlled from a console. Indeed, its prop-free design eliminates the risk of propeller damage from submerged obstacles, allowing access to prime fishing and hunting grounds typically unreachable by conventional outboards. The remote control offers a more comfortable and traditional boating experience.

Flat-Bottom Skiffs and Flats Boats (Console Steered)

Likewise, for anglers targeting skinny water fisheries from a console, the F40JEA allows them to run across extremely shallow flats and get to fish others can’t, with the convenience of remote operation.

Rescue and Utility Boats (for Flood/Shallow Water)

Furthermore, its ability to operate in minimal depths makes it invaluable for search and rescue operations, survey work, or utility transport in flooded areas or very shallow waterways, especially when a more controlled remote steering setup is required.

Small Cabin Boats / Utility Boats (River Use with Console)

Additionally, for compact cabin boats or small utility boats used on shallow rivers that feature a steering console, the F40JEA offers reliable and efficient power with integrated remote control.

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Yamaha Outboards 40HP | F40JEA Unwavering Commitment to Quality and Performance

Choosing a Yamaha F40JEA means more. You’re not just purchasing a powerful, versatile outboard motor. Instead, you’re investing in a meticulously engineered piece of marine equipment. It’s designed for robust power, effortless electric start operation, precise remote control, and long-term reliability, specifically tailored for the most challenging shallow water environments. Yamaha’s decades of innovation and craftsmanship are evident in every aspect of the F40JEA. This ranges from its smooth, quiet, three-cylinder operation to its outstanding fuel economy and renowned durability. Ultimately, the F40JEA embodies Yamaha’s promise. It delivers a superior boating experience. It ensures peace of mind and countless hours of exploration in areas previously inaccessible.

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Technical Specifications Yamaha Outboards 40HP | F40JEA(Approximate – Always Verify with Official Yamaha Resources for the specific model year)

• Model Name: F40JEA
• Engine Type: 4-Stroke, SOHC, In-line 3-Cylinder
• Horsepower (Powerhead): 40 HP
• Horsepower (Jet Pump): 30 HP @ 5500 RPM
• Displacement: 747 cc (45.6 ci)
• Bore x Stroke: 65 x 75 mm (2.56 x 2.95 in.)
• Full Throttle RPM Range: 5000 – 6000 RPM
• Fuel Induction System: Electronic Fuel Injection (EFI)
• Starting System: Electric
• Ignition System: CDI Microcomputer (or TCI Microcomputer)
• Alternator Output: 16-17 Amps (12V – 17A, with rectifier/regulator)
• Lubrication System: Wet Sump (pressurized oil delivery system)
• Engine Oil Capacity: 1.7 L (1.8 qt)
• Gear Ratio: Direct Drive (Jet Pump)
• Gear Shift: F-N-R (Forward, Neutral, Reverse)
• Shaft Length: 20 inches (Long Shaft) – approx. 508 mm (20 in) transom length
• Trim & Tilt System: Manual Trim with Nitro-Assist Tilt (some sources may indicate Power Trim, but typically it is manual with assist for this model jet drive)
• Recommended Fuel: Regular Unleaded (Minimum Pump Octane 87)
• Recommended Fuel Filtration: Yamaha 10-Micron Fuel/Water Separating Filter (external, recommended for extended use)
• C.A.R.B. Rating: 2-Star (or 3-Star on some markets/model years, verify latest)
• Exhaust: Through Jet Nozzle (for quiet operation)
• Weight (Dry): Approximately 99 kg (219 lbs)
• Steering: Remote Mechanical Control
• Standard Features: Electric Start, Jet Lower Unit, EFI, Freshwater Flushing System, Robust Corrosion Protection (YDC-30 alloy, 5-stage paint), Manual Trim, Compatible with Yamaha Command Link® Gauges.
• Typical Color: Yamaha Gray

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Ready to explore waters others can’t with a powerful, versatile, and dependable 40 HP (30 HP Jet) outboard? It comes with the convenience of electric start, a long shaft, and precise remote control. Invest in the Yamaha F40JEA 40 HP Four-Stroke Jet Drive Outboard Motor today. Discover the enhanced freedom. Experience quiet, smooth, and efficient operation, all backed by Yamaha’s trusted quality. Ultimately, make your next adventure on the water truly limitless.