Best Auxiliary Outboard Motor Mounts for 7.5-20 HP Boats
Answering your search for reliable auxiliary outboard motor mounts, these selections focus on brackets designed to support 7.5–20 HP engines. They are best for small-to-mid size powerboats, skiffs, jon boats, and yachts that need a sturdy, height-adjustable, easy-to-operate mounting solution. Each option emphasizes durability, corrosion resistance, and practical lift or tilt ranges. The following table highlights five strong choices with their key strengths and ideal use cases.
| Product | Best For |
|---|---|
| Mojiate Heavy Duty Outboard Motor Bracket | Powerboats and yachts needing robust 7.5–20 HP support |
| Haida 2 Stroke Outboard Bracket | Budget-friendly 20 HP auxiliary mounting |
| Marinebaby Aluminum Bracket | Lightweight aluminum build with solid lock heights |
| Vinland Marine Aluminum Bracket | Adjustable, corrosion-resistant platform for jon/bass boats |
| Mojiate Outboard Motor Bracket (First Model) | Sturdy 7.5–20 HP everyday use with wide base |
Mojiate Heavy Duty Outboard Bracket — 7.5-20 HP

Best for: Powerboats and yachts that need a heavy-duty, corrosion-resistant mounting solution for 7.5–20 HP engines. This stainless steel, 2.5 mm thick frame provides reinforced stability for demanding conditions. The bracket offers a 4-vertical-position adjustment and a plastic base for base protection.
Why selected: It combines marine-grade stainless steel with a reinforced welded frame, making it a solid choice where durability and long-term resistance to saltwater are priorities. The wide mounting dimensions (8″ × 8-5/8″) ensure compatibility with common 2-stroke motors in its HP range.
Limitation: The base is plastic, which may be less robust against hard impacts or rough seas compared to full metal bases.
Haida 2 Stroke Outboard Bracket — Up To 20 HP

Best for: Budget-conscious boaters needing reliable 20 HP auxiliary mounting. It uses 304 stainless steel with a plastic base for the mounting surface, offering practical lift and simple manual operation.
Why selected: The all-metal frame provides solid support with a straightforward design, and the included roller features permit easier motor handling when lifting or lowering in varying sea states.
Caution: Manual lifting is required to raise and lower the motor, which may be less convenient for frequent positioning adjustments.
Marinebaby Aluminum Bracket — 20 HP

Best for: Boaters seeking a lightweight, corrosion-resistant aluminum mount with a sturdy locking height system for 7.5–20 HP engines.
Why selected: The combination of marine-grade aluminum and stainless steel springs provides counterbalancing, while the solid polypropylene mounting board adds a stable surface. It supports five height positions for adaptable trimming on different water conditions.
Limitation: Aluminum brackets can be more prone to cosmetic wear from exposure over many seasons if not properly maintained.
Vinland Marine Aluminum Bracket — 7.5–20 HP

Best for: Small to mid-sized boats needing a spring-loaded, five-position adjustable kicker motor mount. This bracket suits 7.5–20 HP engines with up to 115 lbs weight.
Why selected: Anodized aluminum construction paired with a durable polypropylene base focuses on lightness and longevity, ideal for jon boats, bass trackers, or canoes requiring occasional engine repositioning.
Caution: Ensure mounting hole spacing and base dimensions align with your transom before purchase to avoid fit issues.
Amarine Made Heavy Duty Aluminum Bracket — 7.5–20 HP

Best for: Small to mid-sized powerboats needing a retractable, heavy-duty trolling bracket for 7.5–20 HP engines.
Why selected: This model emphasizes a heavy-duty welded frame and stamped stainless components, with a five-position spring-loaded bracket that offers stability and quick adjustments. The wide track enhances steadiness for varied loads and water conditions.
Limitation: The heavier construction may marginally affect mounting weight and boat balance on very light vessels.
Mojiate Heavy Duty Outboard Bracket — 7.5-20 HP (Second Model)

Best for: Everyday use on small-to-mid size powerboats requiring robust support for 7.5–20 HP engines with clear lift range.
Why selected: This Mojiate option features an anodized aluminum construction with a solid polypropylene mounting board and a lift range of 340 mm, offering consistent performance and easy handling on choppy days.
Caution: Check compatibility with your boat’s transom dimensions to ensure the mounting holes align properly.
Buying Guide
- Motor compatibility: Confirm the bracket supports 7.5–20 HP engines and the engine weight within stated limits.
- Material and durability: Choose stainless steel for saltwater durability or anodized aluminum for lighter weight with corrosion resistance.
- Mounting surface: Ensure the mounting board material (polypropylene vs. metal) matches your use case and maintenance preferences.
- Height and lift range: Look for adjustable positions that fit your typical water conditions and load variations.
- Installation considerations: Verify mounting hole pattern, base width, and transom thickness compatibility with your boat.
FAQ
- What HP range do these brackets support? Many options here support 7.5–20 HP engines.
- Are these brackets suitable for saltwater use? Yes, most use marine-grade stainless or anodized aluminum for corrosion resistance.
- Do all brackets require manual lifting? Some models require manual lifting; others use spring-loaded mechanisms.
- Will these brackets fit my small bass boat? Most are designed for small-to-mid sized boats; verify mounting dimensions first.
- Is there a recommended maintenance routine? Rinse after use, inspect fasteners, and lubricate moving parts to prevent corrosion and sticking.
- Can I upgrade an existing motor mount with these brackets? Compatibility depends on mounting hole patterns and transom dimensions; check the product specs carefully.