Mercury 40HP 40ELPT EFI Jet Outboard – 15″ Shaft
The 40-horsepower Mercury 40ELPT combines EFI and jet propulsion with a 15-inch shaft. Jet drive reduces exposed propeller hardware for shallow-water operation, while EFI supports controlled fuel delivery and the shorter shaft suits compatible transoms.
Description
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Common Question of Mercury 40ELPT Jet
Is the 40ELPT a jet outboard?
Yes. The supplied title identifies Mercury 40ELPT as an EFI jet outboard with a 15-inch shaft. Jet propulsion uses an intake, pump, impeller, and steering nozzle rather than an exposed propeller. Verify intake clearance, cooling flow, controls, fuel system, and boat compatibility before installing this high performance outboard motor.
Does it use electronic fuel injection?
Yes. The EFI designation identifies an electronic fuel injection system for controlled fuel delivery during starting and operation. Jet performance depends on clean intake flow and correct mounting. Keep sand, gravel, weeds, and debris away from the intake, and confirm the complete package before purchase.
What shaft length does it use?
The shaft length is 15 inches, intended for a matching short transom. Measure the hull and verify jet-intake clearance before installation. Correct mounting supports water flow, cooling, thrust delivery, and steering response. Accurate measurements support a ready to bolt marine jet-drive installation.












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