The Yamaha F150 Jet Drive (F150JC) completely redefines where an outboard motor can go by replacing a traditional lower unit gearcase with an advanced hydrodynamic jet pump system. Built on Yamaha’s legendary 2.7-liter, double-overhead-cam (DOHC) four-cylinder platform, this engine is optimized to handle thin water, rocky riverbeds, and hidden sandbars where a standard propeller would quickly meet disaster. Because jet pumps experience a natural 30% parasitic power loss compared to props, this 150HP powerhead is masterfully calibrated to deliver a highly effective 105 horsepower at the pump nozzle.
Without a protruding lower unit or skeg, the F150JC draws water through an intake grate and forcefully ejects it through a directional nozzle, allowing high-performance aluminum and fiberglass hulls to skim across just inches of water. The engine utilizes an integrated twin-counterbalancer system to virtually eliminate vibration, making it incredibly smooth at cruising speeds. Equipped with Electronic Fuel Injection (EFI) and a microcomputer Engine Control Module (ECM), it provides responsive acceleration, instant starts, and the bulletproof reliability needed when navigating isolated, shallow-water rapids.
Models Available:
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F150JC:Jet drive configuration built on the 2.7L DOHC four-stroke powerhead. Features a specialized short midsection to match jet-transom heights, electric starting, and standard remote mechanical control integration.
Key Features:
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Powerhead Displacement: 2670cc (2.7L) inline-4 four-stroke (DOHC)
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Output Rating: 150 HP at the crankshaft / 105 HP at the jet pump nozzle
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Propulsion System: Outboard Jet Pump (No propeller, completely flush intake shoe)
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Control Type: Remote Mechanical (Traditional throttle/shift cables adjusting the jet gate)
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Fuel system: Electronic Fuel Injection (EFI)
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Alternator Output: 35 Amps (Substantial power supply for running shallow-water anchors, light bars, and electronics)
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Weight: approx. 217 kg (478 lbs)
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Shift Dampener System eliminated due to direct-drive impeller layout
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Advanced Phaze Fiveâ„¢ multi-layer anti-corrosive paint barrier
Ideal For: Aluminum river jet boats, shallow-water flats skiffs, rocky rapid navigation, snake-river style hulls, and shallow-draft utility platforms.















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