Mercury 3.5hp Outboard 3.5MLH
$696.00
The Mercury 3.5hp Outboard 3.5MLH four-stroke outboard with a 20” long shaft, designed for small boats, inflatables, and sailboats with higher transoms. Easy to carry and simple to operate, it offers smooth performance, reliable manual starting, and excellent maneuverability.
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Overview Mercury 3.5hp Outboard 3.5MLH
The Mercury 3.5hp Outboard 3.5MLH provides dependable four-stroke power in a compact and portable design, now with a 20-inch long shaft for boats with taller transoms. Weighing just 43 lbs, this outboard is easy to transport, install, and store—making it a practical solution for aluminum tiller boats, inflatables, utility craft, jon boats, and small sailboats.
Designed for simplicity and reliability, the 3.5MLH delivers smooth throttle response, low vibration, and consistent thrust for worry-free boating.
Features and Performance
Powered by an 85cc single-cylinder four-stroke engine, the Mercury 3.5MLH delivers efficient and reliable performance across a 5,000–6,000 RPM operating range. The carbureted fuel system provides consistent fuel delivery, while the manual start design keeps operation straightforward and maintenance minimal.
The 360-degree tiller steering allows precise control in tight docking situations, while the 20” long shaft ensures proper propeller depth on higher-transom boats. An internal 0.3-gallon fuel tank keeps the setup clean and compact, and the integrated carry handle improves portability.
Why You Should Buy it
If your boat requires a longer shaft but you still want lightweight portability, the Mercury 3.5MLH is an excellent choice. It combines compact four-stroke efficiency, easy handling, and the trusted engineering of Mercury Marine. Ideal for inflatables, sailboats, and small craft with taller transoms, this outboard delivers dependable performance with minimal hassle.
| Specification | Details |
|---|---|
| Engine Type | Mercury 3.5MLH Inline 1 Four Stroke |
| Horsepower | 3.5 hp |
| Cylinders | 1 Cylinder |
| Displacement | 85 cc |
| Fuel System | Carbureted |
| Induction System | 2-valve, pushrod |
| Shaft Length | 20” (Long) |
| Steering | Tiller with 360° Turning |
| Starting System | Manual |
| Full Throttle RPM Range | 5,000 – 6,000 rpm |
| Weight | 43 lbs |
| Propeller | 7.4” x 7.0” 3-Blade Composite |
| Fuel Tank | Internal (0.3 gallons) |
| Warranty | Mercury Marine 3-Year Warranty |
- Mercury 3.5MLH Outboard Motor
- 3-blade composite propeller
- Internal fuel tank (0.3 gallons)
- Integrated carry handle
- Service tool kit & parts
- Stop switch lanyard
- Owner’s manual
Frequently Asked Questions About Mercury 3.5hp Outboard 3.5MLH
What is the Mercury 3.5hp Outboard 3.5MLH designed for?
The Mercury 3.5hp Outboard 3.5MLH is designed for small boats, inflatables, and sailboats with higher transoms. The row highlights 3.5 hp, Mercury 3.5MLH Inline 1 Four Stroke, tiller with 360° turning, and a 20” (Long) shaft for a clearly defined operating setup.
What engine and operating setup does this portable outboard use?
This outboard is listed with 3.5 hp, Mercury 3.5MLH Inline 1 Four Stroke, and 1 cylinder. The specification row adds 85 cc of displacement and carbureted fuel delivery, which helps buyers compare how this motor is set up for smooth, straightforward operation.
What onboard control details stand out on this model?
This model is listed with a 20” (Long) shaft, Tiller with 360° Turning steering, and Manual starting. Those details matter because they help buyers judge transom fit, helm style, and everyday operating convenience before choosing controls or rigging.
What makes this model practical for small-boat use?
This portable outboard stays easy to manage because weight is listed at 43 lbs, the fuel tank is Internal (0.3 gallons), and an integrated carry handle is included. That supports quick transport and straightforward setup for the kinds of small-boat use described in the row.

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