If you demand absolute confidence in your outboard, Mercury's 3.5hp 4-Stroke Outboard Engine delivers. The outboard motor combines world-class reliability with a lightweight, compact design, impressive performance and excellent fuel efficiency, so you can enjoy every moment on the water with total peace of mind. This long shaft model features a shaft length of 20", which is 5" longer than the shaft on the Mercury 3.5hp Short Shaft Outboard Engine.
The Mercury outboard engine features a technically advanced, consumer-focused design, with easy-to-use controls and intuitive maintenance that make ownership simple and stress-free. Its precise fuel-delivery system provides strong, responsive performance while optimising fuel efficiency, giving you the perfect balance of power and economy. High-tech without high stress, the 3.5hp short shaft outboard is built for worry-free boating. Fast, reliable and fuel-efficient, the Mercury engine delivers performance without compromise.
Whether you’re fishing, cruising or enjoying a day on the water, the outboard is an ideal power choice. Pound for pound, it’s a big performer, offering impressive power in a lightweight design that leads its class.
Maintenance is made easier thanks to thoughtful features such as a no-spill oil change system, an easy-out fuel filter and a lifetime maintenance-free valve train, so you spend less time in the workshop and more time boating. Built with advanced alloys, durable coatings and sealed electronics, the outboard engine is designed to thrive in demanding marine environments. A simple freshwater flush system and premium corrosion-prevention technology help ensure long-lasting durability and dependable performance.
Efficiency-enhancing technologies including Advanced Range Optimisation (ARO), a closed-loop fuel system and a hydrodynamic gearcase, work together to maximise fuel economy, helping you go further on every tank. Thoughtfully engineered to minimise maintenance and maximise enjoyment, Mercury's 3.5hp outboard lets you focus on what matters most - time on the water.
Specifications:
Horsepower: 3.5hp.
Dry weight: 18kg.
Steering: 360° tiller.
Starting: Manual.
Trim system: 4-position manual.
WOT RPM: 5000-6000.
Compatible with SmartCraft digital technology: No.
Displacement (CID/CC): 5.2/85.
Engine Type: 1 cylinder.
Integrated fuel tank: 0.3 Gal/1L.
Induction: 2-valve push-rod.
Gear Ratio: 2.15:1.
Alternator: N/A.
Shaft Length: 20".


