Mercury 90hp EFI Outboard | 90ELPT
Remote Mechanical • Electric Start • 20″ Shaft
Get the perfect balance of lightweight efficiency and proven 4-stroke power with the Mercury 90hp EFI Outboard – Model 90ELPT. Designed for a wide range of boats, this mid-range engine is ideal for anglers, recreational boaters, and professionals who need reliable performance, smooth acceleration, and superior fuel economy.
The Electronic Fuel Injection (EFI) system delivers instant throttle response and crisp acceleration, while the remote mechanical controls and 20″ shaft length make it a versatile fit for many transom configurations. Easy starts come standard with electric ignition, and maintenance is simplified with Mercury’s smart engineering.
Key Features & Specs
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Engine Type: 4-Stroke
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Horsepower: 90 HP
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Starting System: Electric Start
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Controls: Remote Mechanical
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Shaft Length: 20” (Long Shaft)
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Steering: Compatible with mechanical steering systems
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Fuel System: Electronic Fuel Injection (EFI)
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Trim & Tilt: Power Trim and Tilt
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Alternator Output: 35 amps
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Weight: Approx. 359 lbs
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Color: Phantom Black
Benefits
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EFI technology ensures easy starts, better throttle response, and fuel efficiency
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20″ shaft fits most standard transoms for fishing and pontoon boats
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Lightweight and compact — great for aluminum boats, center consoles, and skiffs
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Power Trim & Tilt makes docking and shallow water operation effortless
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Quiet, smooth operation for a more enjoyable ride
What’s Included
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Mercury 90hp EFI Outboard Motor – 90ELPT
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Owner’s Manual
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Factory Warranty (check for available coverage)
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Installation-ready setup (controls and prop sold separately unless stated)
📊 Comparison Table: Mercury 90ELPT vs. Yamaha & Honda 90HP Outboards
| Feature / Brand | Mercury 90ELPT | Yamaha F90LB | Honda BF90 |
|---|---|---|---|
| Engine Type | 4-Stroke EFI | 4-Stroke EFI | 4-Stroke EFI |
| Horsepower | 90 HP | 90 HP | 90 HP |
| Starting System | Electric | Electric | Electric |
| Shaft Length | 20” (Long) | 20” (Long) | 20” (Long) |
| Fuel System | Electronic Fuel Injection | Electronic Fuel Injection | Programmed Fuel Injection (PGM-FI) |
| Controls | Remote Mechanical | Remote Mechanical | Remote Mechanical |
| Alternator Output | 35 Amps | 35 Amps | 35 Amps |
| Weight (approx.) | 359 lbs | 353 lbs | 359 lbs |
| Trim & Tilt | Power Trim & Tilt | Power Trim & Tilt | Power Trim & Tilt |
| Best For | Fishing boats, pontoons | Bay boats, center consoles | Utility boats, inflatables |
| Notable Benefit | Lightweight and responsive | Smooth operation, known reliability | Quiet operation, Honda technology |
✅ Summary: Mercury matches or exceeds competitors in power, reliability, and fuel efficiency — while offering a slightly lighter design and smooth EFI performance for all-day operation.
❓ FAQ Section – Mercury 90ELPT
1. What type of boats is the Mercury 90ELPT compatible with?
The 90ELPT is ideal for:
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Aluminum fishing boats
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Pontoon boats
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Center consoles
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Bay boats
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Skiffs and flats boats
2. Does it come with controls and a propeller?
It includes the engine only. Controls, harnesses, and propellers are sold separately, unless bundled by a dealer. Be sure to confirm with your order source.
3. What fuel does the 90hp EFI use?
The Mercury 90hp EFI is designed for unleaded gasoline (87 octane or higher) with up to 10% ethanol (E10).
4. Is it compatible with hydraulic or cable steering?
Yes. It is compatible with mechanical (cable) steering and can also be adapted to hydraulic systems with the proper brackets.
5. What is the shaft length, and how do I know if it fits?
This model includes a 20-inch shaft, which fits most standard-height transoms. Measure from the top of your transom to the bottom of the hull to confirm.
6. Does it include a warranty?
Yes, Mercury typically includes a 3-year limited factory warranty for recreational use. Warranty terms may vary by region or use type.
