7 Best Outboard Motor Mounts For Small Fishing Boats

Converting a small boat into a highly functional fishing rig or a compact floating dwelling requires a masterful use of limited transom space. Choosing the wrong outboard motor mount can lead to structural damage, lost propulsion efficiency, or even a drowned engine in rough water. Selecting the perfect bracket ensures that an auxiliary kicker or primary outboard remains secure, adjustable, and ready to perform when navigating tight waterways.

Disclosure: As an Amazon Associate, this site earns from qualifying purchases. Thank you!

Garelick 71090: Best Heavy-Duty Bracket

Standard auxiliary motor mounts often flex under the torque of modern four-stroke engines. The Garelick 71090 addresses this issue directly with an ultra-heavy-duty design built from hard-alloy aluminum. It handles heavy engines with ease, making it a reliable choice for boaters who cannot afford equipment failure miles from the dock.

This bracket features a manual lifting mechanism supported by heavy-duty torsion springs to counteract the engine’s weight. It offers five vertical running positions, allowing users to fine-tune engine depth depending on load and water conditions. However, the manual lift does require physical effort, especially when hoisting a maximum-weight motor.

Crucial performance factors include: * Supporting up to 30 horsepower or 169 pounds. * Aircraft-grade aluminum construction with stainless steel hardware. * An extra-wide, indestructible mounting pad.

For owners of heavy displacement hulls or those using a substantial auxiliary kicker on a small boathouse cruiser, this is the ultimate heavy-duty choice. It is not for light, thin-transomed utility hulls that cannot support the bracket’s own weight. If robust durability and reliable mechanical lifting are the primary goals, this bracket is the absolute gold standard.

Panther 55-0410: Best for Small 4-Strokes

Modern four-stroke outboards pack more torque and weight into compact frames than their historic two-stroke counterparts. The Panther 55-0410 is specifically engineered to handle these unique weight distributions without twisting or binding. Its heavy-duty steel construction ensures that lateral torque does not warp the mount over time.

This bracket offers a generous 10-inch setback, which provides cleaner water flow to the propeller and improves overall steering clearance. The adjustment mechanism relies on a heavy-duty spring-assist system to make raising and lowering the motor less strenuous. The primary tradeoff is the unit’s weight, which requires a sturdy transom for safe installation.

This bracket is best suited for: * Four-stroke motors up to 20 horsepower. * Anglers needing a reliable kicker mount next to a larger primary outboard. * Boats with deep-V hulls requiring extended engine clearance.

If a small, heavy four-stroke engine needs to be mounted securely with minimal vibration transfer, buy this mount. It eliminates the sketchy flexing common in generic brackets. Do not buy it if the boat is an ultra-light aluminum utility craft, as the bracket’s hefty weight will compromise transom balance.

Brocraft Pontoon Mount: Best for Versatility

Small pontoons and flat-bottomed utility boats present unique mounting challenges due to their deck configurations and lack of traditional vertical transoms. The Brocraft Pontoon Mount solves this by clamping directly to deck rails or unconventional flat surfaces. This adaptable design unlocks new positioning possibilities for small-space watercraft.

Crafted from CNC-machined marine-grade aluminum, this bracket provides exceptional strength without adding unnecessary bulk to a tight deck layout. It allows for quick adjustments, making it easy to raise the motor when navigating shallow flats or launching from sandy shorelines. The trade-off is that it requires a secure rail structure, which may need reinforcement on older boats.

Key versatility features include: * Easy clamp-on installation requiring minimal drilling. * Adjustable angles to accommodate various deck configurations. * Compatibility with both electric trolling motors and small gas outboards.

This mount is the perfect solution for pontoon owners and DIY boat builders who need flexibility without sacrificing structural integrity. It is not designed for heavy, high-horsepower outboards that require traditional permanent transom bolts. Choose this bracket if adaptability and quick removal are top priorities for a compact watercraft setup.

Amarine Made Adjustable: Best Budget Pick

Outfitting a small fishing rig or a casual weekend cruiser does not have to break the bank. The Amarine Made Adjustable bracket offers a cost-effective path to auxiliary power without sacrificing basic structural safety. It utilizes a classic scissor-lift design that gets the job done reliably on calm inland waters.

Constructed from anodized aluminum with a solid polypropylene mounting block, this bracket resists harsh marine environments surprisingly well for its price point. It features a spring-loaded mechanism with multiple position locks to help dial in the correct running depth. However, the lifting action can feel stiff, and the overall tolerance level is looser than premium models.

Budget-friendly features include: * A rated capacity of up to 20 horsepower or 110 pounds. * Stainless steel fasteners included in the box. * Lightweight profile that does not overload small transoms.

For casual anglers, budget-conscious DIYers, or those needing a backup mount for occasional lake use, this unit is unbeatable value. It is not suitable for rough offshore conditions or maximum-weight four-strokes that demand absolute rigidity. If affordability is the deciding factor, this bracket provides the best balance of price and basic performance.

Fulton HP Bracket: Best for Rough Waters

Heavy chop and swells place immense shock loads on an outboard motor mount, quickly fatiguing weak metals and loose joints. The Fulton HP Bracket is built to withstand these violent forces through a highly reinforced structural design. It minimizes engine bounce, protecting both the motor and the transom from impact damage.

This bracket employs a wider mounting footprint to distribute stress across a larger surface area of the transom. The heavy-duty stainless steel springs cushion the vertical travel, while the locking pins ensure the motor stays locked in position even during hard impacts. The compromise is a more complex installation process that demands precise alignment and heavy-duty backing plates.

Survival features for rough water include: * An extra-thick, weather-resistant polymer mounting board. * Reinforced pivot points that prevent side-to-side wobble. * Heavy gauge aluminum construction with a corrosion-resistant finish.

If ocean coastal fishing or navigating wind-swept reservoirs is the norm, this bracket is the safest bet. It prevents the terrifying engine twist that occurs when hitting waves at speed. Skip this model if you only fish in calm ponds, as its heavy-duty dampening capabilities would be over-engineered and unnecessarily heavy for those environments.

Panther 55-0055: Best Swim Platform Mount

Many compact cruisers and modified pontoon boats feature swim platforms that block traditional transom mounting areas. The Panther 55-0055 mounts directly underneath or flush with these platforms, turning wasted space into a highly functional motor location. This unique positioning keeps the cockpit clean and clutter-free.

By dropping the motor lower and extending it outward, this mount ensures the propeller operates in clean water beneath the platform’s turbulence. The rugged cast-iron and aluminum construction resists the constant submersion and splashing common in this mounting location. However, accessing the motor’s manual controls can be awkward depending on the platform’s overhang design.

Platform mount advantages include: * An adjustable design that adapts to angled or flat platforms. * Corrosion-resistant powder coating for prolonged water contact. * Compact footprint that preserves maximum deck space.

Choose this mount if your small boat features a swim platform and you want to keep your primary transom clear for clean lines or boarding. It is perfect for auxiliary kicker installations on small cabin cruisers. Do not purchase this if easy, instantaneous access to the engine’s manual pull-start is required, as the mount sits low and tucked away.

Newport Vessels Mount: Best for Trollers

Electric trolling motors have unique mounting needs compared to heavy gas outboards, requiring quick deployment and lightweight structures. The Newport Vessels Mount is designed specifically for these silent, lightweight propulsion systems. It strips away the unnecessary bulk of gas-motor brackets to optimize weight distribution on tiny watercraft.

This mount utilizes a simple, secure clamping system that fits easily onto small dinghies, inflatable boats, and small aluminum tenders. The nylon-reinforced composite construction resists UV damage and saltwater corrosion indefinitely, requiring virtually zero maintenance. The tradeoff is that it cannot support the weight or rotational torque of gas-powered combustion engines.

Electric-focused features include: * Direct compatibility with standard trolling motor transom clamps. * Ultra-lightweight design that preserves precious buoyancy. * Tool-free installation and removal for quick teardown.

If a silent electric trolling motor is the primary source of propulsion on a kayak, inflatable, or small tender, this is the perfect mount. It offers a rock-solid, rattle-free connection without adding dead weight. Do not buy this mount if there is any plan to upgrade to a gas outboard, as it is strictly designed for electric utility.

How to Match Bracket Capacity to Your Motor

Matching a bracket to an outboard is not as simple as checking the horsepower rating on the box. Modern four-stroke motors are significantly heavier than older two-strokes of the same horsepower rating, meaning physical weight must always be the primary guiding metric. Overloading a bracket can lead to catastrophic metal fatigue or structural transom failure.

When calculating weight requirements, always include the weight of motor fluids, fuel lines, and any steering links attached to the engine. A bracket rated for 100 pounds should never be paired with an engine weighing 95 pounds dry, as dynamic forces while trailering or hitting waves can easily double that load. Always aim for a safety margin of at least twenty percent above the engine’s wet weight.

Consider these critical matching factors: * Dry weight vs. wet weight: Account for oil, gear lube, and fuel. * Torque effects: High-thrust propellers exert greater leverage on the bracket. * Setback distance: The further the motor sits from the transom, the greater the leverage applied to the mounting bolts.

Proper alignment ensures that the bracket’s lift-assist springs operate within their intended tension range. If the motor is too light for a heavy-duty bracket, lowering it may require significant downward force. Conversely, an under-matched bracket will make lifting the engine a back-breaking chore that compromises safety on the water.

Reinforcing Your Transom for Safe Mounting

An auxiliary motor bracket is only as strong as the transom to which it is bolted. Small fishing boats, particularly older aluminum or fiberglass models, often have thin transoms that flex under the weight and thrust of an outboard. Mounting a high-torque motor directly to an unreinforced transom invites cracking, water intrusion, and eventual structural failure.

To distribute the load safely, high-strength backing plates must be installed on the interior side of the transom. Utilizing marine-grade plywood encased in fiberglass, or thick aluminum plates, prevents the mounting bolts from pulling through the hull under high stress. This simple addition transforms concentrated point loads into a widely distributed force across the entire stern.

Key steps for a secure transom installation include: * Sealing all drilled holes with marine-grade polyurethane sealant to prevent core rot. * Using large, stainless steel fender washers or custom backing bars. * Checking for rotten wood or delamination within the transom before drilling.

Taking the time to properly stiffen the mounting area ensures peace of mind when navigating rough waters or trailering down bumpy roads. Neglecting this crucial step can turn a minor motor upgrade into a major, expensive hull repair project. A rigid, reinforced transom optimizes steering response and maximizes propulsion efficiency.

Maintenance Tips to Prevent Marine Corrosion

Saltwater, humidity, and galvanic action are constant threats to metal components on any watercraft. Outboard motor mounts, which sit in the splash zone, are highly susceptible to fast-acting corrosion that can seize adjustment pins and weaken structural welds. Implementing a proactive maintenance routine is the only way to ensure the mount remains safe and operational for years.

Dissimilar metals, such as stainless steel bolts passing through an aluminum bracket, create a galvanic cell that accelerates corrosion in wet environments. Utilizing non-conductive isolating washers and applying a generous layer of anti-seize compound during assembly prevents these metals from bonding permanently. Regular freshwater washdowns after every excursion are also non-negotiable for preserving metal integrity.

Recommended corrosion prevention practices include: * Spraying all moving parts with a high-quality marine corrosion inhibitor. * Inspecting weld points annually for hairline fractures or powder-coating bubbling. * Replacing sacrificial zinc anodes if the bracket is permanently submerged.

A seized motor mount is not just an inconvenience; it can prevent raising the motor in shallow water, leading to costly propeller or lower-unit damage. Spending ten minutes on basic cleaning and lubrication after a trip saves hours of frustration and expensive replacement costs down the road. Keep the hardware clean, dry, and protected to ensure reliable operation when it matters most.

Ultimately, selecting the ideal outboard motor mount transforms how a small fishing boat or compact floating dwelling performs on the water. By carefully matching bracket capacity to your engine’s true wet weight and reinforcing the transom, you guarantee a safe, reliable, and highly maneuverable setup. Invest in robust hardware and routine maintenance to ensure your vessel is always ready for the next adventure.