Best 45 Hp Outboard Motor Alternatives for Small Boats
Answering buyers seeking capable outboard power beyond 45 HP, these five options offer strong performance for small to mid-size boats, trolling boats, and recreational craft. Each model targets different needs: fast cruising, reliability in fresh and saltwater, lightweight transport, or easy installation. The top picks are suited for anglers, weekend boaters, and DIY enthusiasts who want solid engine power without jumping to full-sized 45+ HP units.
| Product | Brand | HP | Why It Stands Out |
|---|---|---|---|
| DUIBAII 2 Stroke 18 HP HangKai Outboard | DUIBAII | 18 | High power-to-weight with good fuel efficiency; strong salt and fresh water performance; suitable for mid-size vessels. |
| BJTDLLX Short Shaft Outboard Motor 12 HP | BJTDLLX | 12 | Solid aluminum build with water cooling and CDI ignition; versatile for small boats with simple installation. |
| NAZEAOB 18HP Outboard Motor | NAZEAOB | 18 | Robust 18 HP package with CDI ignition and water cooling; high load capacity for heavier small craft. |
| FXEIPOL 9 HP Outboard Motor | FXEIPOL | 9 | Reliable 4-stroke option with good power, tilt and 360° rotation for maneuverability on inflatable or small boats. |
| Gosangom 3.5 HP 2-Stroke Outboard | Gosangom | 3.5 | Ultra-lightweight, highly portable, ideal as a backup or for ultra-light craft like rubber boats and kayaks. |
DUIBAII 18 HP HangKai Outboard Motor
The DUIBAII 18 HP HangKai combines a lightweight aluminum alloy build with a reliable two-stroke engine. It delivers up to 13.2 kW (18 hp) and reaches around 5500 rpm for strong acceleration. An external fuel tank of 6.34 gallons supports longer running times, and an efficient carburetor helps reduce fuel usage. Best for anglers, mid-sized boats, and saltwater or freshwater use where a compact, robust engine is preferred. Caution: two-stroke engines typically require appropriate maintenance and fuel mixing practices.
BJTDLLX Short Shaft 12 HP Outboard
The BJTDLLX 12 HP outboard offers a compact, corrosion-resistant aluminum build with water cooling and CDI ignition. It’s well-suited for small boats under 19 feet, including inflatables and wooden boats. Three-speed forward/neutral/reverse cruise helps maintain steady speeds on river or lake trips. Best for lightweight craft and sailors needing dependable, easy installation. Limitation: lower horsepower means slower planing performance on heavier loads.
NAZEAOB 18HP Outboard Motor
The NAZEAOB 18 HP engine combines a durable aluminium alloy body with a CDI ignition system and water cooling. It supports a high load capacity up to 2,204 pounds, making it suitable for mid-size fishing boats or inflatable platforms. Best for boaters needing reliable power for faster travel without stepping up to heavier engines. Caution: heavier boats may experience reduced top speed under load.
FXEIPOL 9 HP Four-Stroke Outboard
The FXEIPOL 9 HP outboard is a 4-stroke option delivering steady power with a 224cc displacement. It features tilt capability, 360° rotation, and CDI ignition for responsive control. This model is best for inflatable boats, canoes, sails, or can be a compact backup motor. Limitation: 9 hp may underperform on heavier loads or larger craft compared with higher-horsepower options.
Gosangom 3.5 HP Two-Stroke
The Gosangom 3.5 HP is a lightweight, highly portable two-stroke outboard with water cooling and a CDI system. Its compact size suits rubber boats, inflatables, canoes, and kayaks where weight and space matter. Best for ultralight craft or as a handy backup. Caution: limited horsepower means slower speeds on larger vessels.
Buying Guide
What matters most when selecting an outboard motor near 45 HP range?
- Boat size and weight: Match horsepower to the vessel’s weight and desired speed. Heavier boats need more power for planning and acceleration.
- Fuel system and efficiency: Two-stroke engines often deliver higher power-to-weight but may require more maintenance and fuel mixing. Four-stroke options tend to be cleaner and quieter.
- Cooling and ignition: Water cooling and CDI ignition improve reliability in varied conditions. Ensure compatibility with your boat’s fuel system and mount.
- Installation and shaft length: Short shaft vs. long shaft affects mounting height. Check cavitation plate alignment and mounting space before purchase.
- Maintenance needs: Availability of parts, ease of service, and typical maintenance intervals influence long-term cost and downtime.
Frequently Asked Questions
- What is the difference between two-stroke and four-stroke outboards?
Two-stroke engines typically offer higher power-to-weight and simpler design, but can be noisier and less fuel-efficient. Four-stroke engines are generally smoother, quieter, and more fuel-efficient but heavier. - Is a short shaft motor suitable for my boat?
Short shaft motors are best for boats with a low transom height. Long shaft variants work better when the propeller needs more clearance from the hull. - Can I use a 3.5 HP or 9 HP motor on a medium-sized fishing boat?
Yes, for light-duty applications or backup power. For faster cruising or heavier loads, consider higher horsepower within the same hull class. - Do these engines require special maintenance?
All outboards require routine maintenance such as oil changes (for four-stroke), fuel system checks, and cooling system checks. Follow manufacturer guidelines. - Are these engines suitable for saltwater use?
Many are designed for both fresh and saltwater but require proper corrosion protection and rinsing after salt exposure. Check the product specs for saltwater suitability. - How do I choose between gasoline and petrol variants?
Most small outboards use regular gasoline with appropriate mix ratios for two-stroke engines. Verify the engine’s fuel requirements and ignition type before purchase.