The Mercury 3.5hp FourStroke (3.5MLH) is the ultimate lightweight powerhouse for small tenders, canoes, and high-transom sailboats. Weighing only 41 lbs (18 kg), this engine offers incredible portability without compromising on durability. Featuring a 20-inch long shaft and 360-degree steering, the 3.5MLH provides exceptional maneuverability and reach, making it a reliable companion for sailors and recreational boaters who need efficient, smoke-free operation.
Technical Specifications
| Model Number / MPN |
3.5MLH |
| Horsepower |
3.5 HP (2.6 kW) |
| Shaft Length |
20 Inches (Long Shaft) |
| Engine Type |
1-Cylinder / 4-Stroke OHV |
| Displacement |
85 cc (5.2 cubic inches) |
| Starting System |
Manual Recoil Start |
| Fuel Tank |
Integral 0.3 Gallon (1.1L) |
| Dry Weight |
Approx. 41 lbs (18.6 kg) |
Lightweight Performance, Heavy-Duty Reliability
- 360-Degree Steering: Offers full thrust in any direction, providing maximum maneuverability for tight docking and narrow waterways.
- Integral Fuel Tank: Features an overhead fuel tank with a gravity-feed system for simple, mess-free operation without external hoses.
- Neutral-Forward Shifting: Simplifies operation with a front-mounted shift lever for quick gear changes.
- Decompression System: Automatic cylinder decompression significantly reduces pull-start effort for easy, one-handed starting.
- Multiple Trim Positions: 4 trim positions plus shallow water drive allow you to access remote areas and navigate shallow flats.
Compact Efficiency for Every Adventure
The Mercury 3.5MLH is the benchmark for small-displacement outboards. Its quiet, 4-stroke architecture eliminates the need for mixing oil and gas, providing a cleaner and more pleasant experience on the water. Built with Mercury's legendary 4-Front corrosion protection and stainless steel components, this motor is designed to endure saltwater environments for years to come. Whether you're powering a tender or using it as a backup for a sailboat, the 3.5hp Long Shaft delivers reliable performance in a package you can carry with one hand.
Frequently Asked Questions
1. Can I connect an external fuel tank to this motor?
The 3.5hp model is designed for simplicity and features an internal fuel tank only. For models with external tank capabilities, please refer to the 4hp and 5hp series.
2. Does this motor have a reverse gear?
The 3.5MLH uses 360-degree steering. To go in reverse, simply rotate the entire engine 180 degrees—this allows for full thrust and control in reverse.
Marine Equipment Specialist | Genuine Provider | Genuine Mercury Parts & Accessories
