Mercury 50HP 50ELHPT EFI Outboard Motor – 20″ Shaft
The 50-horsepower Mercury 50ELHPT combines EFI operation with a 20-inch shaft for compatible transoms. Electronic fuel injection supports controlled operation, while correct shaft matching helps maintain propeller depth and predictable handling.
Description
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Common Question of Mercury 50ELHPT EFI
Is the 50ELHPT EFI fuel injected?
Yes. The EFI designation identifies an electronic fuel injection system on this Mercury 50-horsepower outboard. Its 20-inch shaft suits a matching long transom, while fuel injection supports controlled delivery during starting and operation. Confirm controls, battery, wiring, steering, and hull rating before installing this high performance outboard motor.
What does the configuration provide?
It provides a Mercury 50-horsepower EFI outboard with a 20-inch shaft. The exact control arrangement should be confirmed from the package listing. Verify the hull’s horsepower rating, transom strength, engine weight, steering hardware, battery capacity, wiring, fuel supply, and mounting components before installation.
What transom fits its shaft?
A 20-inch transom is the intended match for this 50ELHPT EFI model. Measure the hull before purchase because incorrect shaft length can affect cooling-water pickup, propeller immersion, steering response, and handling. Accurate measurements support a properly fitted ready to bolt marine installation.











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