Mercury FourStroke 25HP EFI ELHPT 2026

Mercury FourStroke 25HP EFI — Tiller with Power Trim, Long Shaft

A workhorse 25 that doesn't ask for much. Mercury's EFI FourStroke fires up first turn of the key — no choke, no fuss — and runs quiet and clean all day on the water.

Configuration at a Glance:

- Electric start — turn the key and go, every time
- EFI (Electronic Fuel Injection) — better fuel economy, automatic compensation for temperature and altitude, zero carburetor maintenance
- Long shaft (20') — correct fit for standard aluminum boat transoms
- Hand tiller steering — direct, responsive control without remote rigging
- Power trim — dial in your running angle on the fly for load, wind, and water conditions

Who This Motor Is For

Ideal repower or new rigging for 14–16ft aluminum fishing boats on Rice Lake, the Kawarthas, or the Trent-Severn. Enough power to move efficiently, light enough to keep you in the water all day without burning through a tank. Tiller steering keeps it simple — no cables, no steering wheel, no complications.

The FourStroke is Mercury's most trusted platform for good reason: low emissions, low maintenance, and the kind of reliability that earns repeat customers. Backed by Mercury's 3-year factory warranty, sold and serviced by Harris Boat Works — certified Mercury techs on site since 1947.

Ready to rig it up? Call, text, or stop by the marina. Engine Type: In-Line
Bore x Stroke: Bore: 2.4 in. (61 mm); Stroke: 2.24 in. (57 mm)
Displacement: 30.5 cu. in. (500 cc)
Starting: Electric
Trim Method: Power
Propshaft Horsepower: 25 bhp; 18.4 kW
Fuel Induction: Fuel Injected
Alternator: 17
Cooling: Water (Open Loop)
Steering: Tiller

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