Mercury 40HP 40ELHPT EFI Jet Outboard – 15″ Shaft
The 40-horsepower Mercury 40ELHPT combines EFI, jet propulsion, and a 15-inch shaft for compatible installations. Jet drive reduces exposed propeller hardware, while EFI supports controlled fuel delivery and the shaft dimension suits shorter-transom boats.
Description
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Common Question of Mercury 40ELHPT Jet
Is the 40ELHPT a jet outboard?
Yes. The Mercury 40ELHPT is identified 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 fuel injection?
Yes. The EFI designation identifies an electronic fuel injection system for controlled fuel delivery during starting and operation. Jet performance also 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 transom fits its shaft?
A 15-inch transom is the intended match for this 40ELHPT jet configuration. Measure the hull and verify intake clearance before installation. Correct mounting supports water flow, cooling, thrust delivery, and steering response. Proper measurements support a correctly installed ready to bolt marine outboard package.











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