Yamaha F40JEHA 40HP Outboard – 20in Shaft, Electric, Tiller

Description

Shallow river running requires the lightweight agility that the Yamaha F40JEHA delivers directly to the tiller grip. The 747cc inline-three EFI block forces immediate low-end torque, pushing heavily loaded aluminum workboats upstream against strong morning currents effortlessly. Verifying your exact transom geometry ensures this 40 hp long shaft tiller outboard fits securely without causing dangerous water pump starvation.

Eradicate heavy hydraulic trim pumps from your transom completely by engaging the Nitro-Assist tilt bracket to physically elevate the gearcase. You simply pull the 95 kg assembly upward with one hand to clear hidden river obstructions effortlessly. Yamaha engineers the lower unit using impact-deflecting marine aluminum. This structural barrier stops rapid metal pitting when repowering tall transom utility boats in harsh brackish water environments.

Key Features of Yamaha F40JEHA

• Nitro-Assist Tilt Mechanism: Offsets the engine block weight mechanically via gas struts, allowing the operator to lift the gearcase safely with minimal physical effort.
• 20-Inch Long Shaft: Places the anti-ventilation plate deeply beneath tall utility transoms, preventing water pump starvation in heavy chop.
• Multi-Function Tiller Handle: Concentrates shift and throttle inputs directly into your operating hand for immediate physical obstacle avoidance.
• Turn-Key Electric Start: Engages the flywheel instantly via 12-volt battery power, eliminating physical pull strain completely during freezing early morning launches.
• Electronic Fuel Injection: Atomizes fuel perfectly using advanced computer mapping, guaranteeing reliable cold-weather starts and crisp throttle response.
• 17-Amp Charging Alternator: Outputs constant electrical current while running, keeping small deep cycle batteries topped off for fish finders.
• 747cc Inline-Three Block: Produces massive low-end torque internally, lifting heavy aluminum work boats onto plane much faster.
• 2.00:1 Gearcase Ratio: Multiplies engine torque effectively, translating the 747cc displacement into relentless pushing force for loaded skiffs.
• Anti-Corrosion Castings: Blocks severe galvanic decay physically, protecting the aluminum powerhead block across decades of daily saltwater exposure.
• Clean Four-Stroke Combustion: Burns unleaded fuel highly efficiently without messy two-stroke oil mixing, keeping pristine anchorages completely free of surface oil slicks.

Why Choose Yamaha F40JEHA

This specific build fits only 20-inch transoms requiring direct physical tiller control without the added weight of hydraulic power trim. The extended shaft creates massive drag if mounted on a standard 15-inch boat. You cannot wire this to a forward console steering wheel. Procuring a lightweight manual tilt outboard secures off-grid pushing power.

• Confirm a 20-inch vertical measurement from the transom top to the keel.
• Verify the tiller handle sweep path clears your rear bench seating completely.
• Avoid oil slicks on the water utilizing modern four-stroke internal lubrication.

Ideal Application and Vessel Fitment

This 20-inch electric-start tiller engine is engineered specifically for tall-transom aluminum work skiffs, heavy fiberglass camp boats, and commercial river-running hulls demanding high thrust in a lightweight package. By swapping heavy hydraulic trim pumps for a gas-assist cylinder, operators gain maximum payload capacity for remote area fishing gear. The advanced fuel injection guarantees this reliable tiller outboard fires instantly in freezing weather, making it the definitive off-grid power plant for rugged backcountry exploration.

Warranty, Support and Maintenance

Authorized recreational operation receives a 3-Year Pleasure Warranty alongside exceptional factory support. Registered commercial applications fall under a strict 1-Year Commercial Warranty with separate terms applied to the block. Scheduled maintenance requires replacing gearcase lubricants and changing oil filters at manual-specified intervals. Always save all physical service records. Your engine serial number acts as the only way to source exact genuine replacement parts. Mulmotor can assist with product details and order-related questions before purchase.