Direct answer: while none of these compact outboards reach 115 hp, these 7–12 hp and similar engines are ideal as lightweight alternatives for small pontoons, auxiliary trolling, or converting compact craft. They offer reliable water cooling, CDI ignition, and durable aluminum builds for budget-friendly, easy-to-operate setups. This guide highlights the best options for buyers seeking dependable, compact pontoon propulsion, focusing on ease of installation, fuel efficiency, and cruising comfort. The top picks target buyers who need light maneuverability, portability, or a summer trolling motor upgrade rather than high-horsepower speeds.
| Product | Horsepower | Best For | Key Benefit |
|---|---|---|---|
| BJTDLLX Short Shaft Outboard Motor | 12 HP | Small inflatable or wooden pontoon craft | Water-cooled, simple three-gear CVT with easy installation |
| LIWBYYG 169CC 12HP Outboard Motor | 12 HP | Rubber boats and light-duty pontoons | Three-blade prop, energy-saving design, cruise control |
| SMC YCN5654BX Boat Lift Motor | 1 HP | Boat hoists and lifts on pontoons | Direct mounting, straightforward wiring |
| Ireliajob 4 Stroke 4 HP Outboard Motor | 4 HP | Inflatable boats and small kayaks near pontoon enclosures | Water cooling, CDI ignition, smooth throttle |
| LIWBYYG 169CC Outboard Motor | 12 HP | Rubber boats and light-duty pontoons | Low resistance three-blade prop, efficient fuel use |
BJTDLLX Short Shaft 12 HP Outboard Motor
This 12 HP, 169cc two-stroke engine offers a compact power boost for small pontoons. It delivers 661–1763 pounds of thrust and 8–30 km/h speeds, with a water cooling system to maintain performance. The aluminum construction provides corrosion resistance and durability for various boat types under 661 pounds.
- Best for: Lightweight inflatable, fiberglass, or wooden pontoons needing reliable auxiliary propulsion.
- Why selected: Strong thrust relative to size, simple forward/neutral/reverse gearing, and easy installation.
- Limitation: Two-stroke design means higher fuel consumption than modern four-stroke equivalents.
LIWBYYG 169CC 12HP Outboard Motor
This 12 HP two-stroke engine emphasizes efficient cruising with a three-blade prop that reduces water resistance. It uses a CDI ignition system and an external fuel tank to extend running time. The rubber throttle and intelligent cruise controls aid maneuvering on smaller craft.
- Best for: Pontoon setups that need steady trolling or light cruising with longer runtime between refuels.
- Why selected: Energy-saving performance outperforms similar compact engines and offers responsive throttle control.
- Limitation: Higher fuel usage than four-stroke designs in some conditions.
SMC YCN5654BX Boat Lift Motor
This 1 HP boat lift motor is designed for mounting on pontoons to raise and lower boat hoists efficiently. It features a 56C frame and direct mounting for straightforward wiring access, making it ideal for lift applications rather than propulsion.
- Best for: Pontoon owners needing a reliable hoist motor rather than a propulsion engine.
- Why selected: Easy to wire and install with a compact footprint.
- Limitation: Not intended to propel boats; only for lifts.
Ireliajob 4 Stroke 4 HP Outboard Motor
This four-stroke, 4 HP outboard provides dependable thrust for small boats. It includes a water cooling system to prevent overheating during longer cruises and a CDI ignition for simple starting. The ergonomic throttle helps maintain steady speed control.
- Best for: Small inflatable or dinghy setups needing quiet, efficient propulsion.
- Why selected: Clean-burning four-stroke design and reliable cooling for longer sessions.
- Limitation: Lower horsepower than larger pontoon motors; better suited for lighter craft.
KTYHNPM 52CC 2.3 HP Outboard Motor
This compact 52cc, 2.3 HP engine is designed for quick starts and easy operation. It uses forced air cooling to prevent overheating and a CDI ignition for reliable starts, suitable for small boats and short-range tasks.
- Best for: Very light pontoon accessories or as a backup motor on smaller crafts.
- Why selected: Lightweight, simple maintenance, and fast start mechanism.
- Limitation: Very limited horsepower makes it unsuitable for larger pontoons or long-range cruising.
LIWBYYG 169CC Outboard Motor 12HP
This 169cc, 12 HP two-stroke engine emphasizes robustness and efficiency with a streamlined three-blade prop and CDI ignition. It delivers 8–30 km/h speeds and has an energy-saving profile due to fuel management and optimized internals.
- Best for: Pontoon setups needing reliable power with efficient fuel usage and strong thrust for light-to-medium loads.
- Why selected: Durable aluminum construction and strong prop efficiency for small to midsize pontoons.
- Limitation: Two-stroke design typically requires more maintenance and fuel management than four-stroke units.
Buying Guide: Key Considerations For Pontoon Propulsion
- Intended use: Decide whether you need propulsion for cruising, trolling, or hoist operation. Lift motors are separate from propulsion engines.
- Power requirements: For pontoons, match engine horsepower to hull weight and carrying capacity. Lightweight craft benefit from 4–12 HP, while larger, heavier pontoons may require more.
- Engine type: Four-stroke engines offer cleaner operation and lower fuel consumption; two-stroke engines provide high power-to-weight but require more maintenance and oil mixing.
- Fuel efficiency: Look for CDI ignition, fuel tank size, and gear efficiency to maximize runtime between refuels.
- Cooling system: Water cooling helps prevent overheating on longer runs and trolling sessions.
- Durability: Aluminum construction and anti-corrosion coatings extend service life in marine environments.
- Installation and controls: Short shaft vs long shaft compatibility, tiller vs remote steering, and ease of mounting on your pontoon transom.
- Maintenance access: Accessibility of spark plugs, carburetors, and water pumps affects long-term upkeep.
Frequently Asked Questions
- What horsepower do I need for a small pontoon?
For very light or auxiliary propulsion, 4–12 HP engines are common. Heavier pontoons may require more horsepower to maintain pace with the waterway and passengers.
- Are two-stroke motors compatible with pontoon boats?
Yes, but they require more maintenance and careful fuel/oil management. Four-stroke options are cleaner and often easier to maintain.
- What is the difference between short shaft and long shaft outboards?
Short shaft engines suit boats with low transoms; long shafts align with higher transoms for better spray control and prop immersion.
- Can I use a lift motor as propulsion?
No. Lift motors are designed to raise and lower boat hoists, not to propel the hull.
- What should I check before buying a small outboard?
Check mounting compatibility, cooling system, ignition type, fuel capacity requirements, and overall weight for proper balance on your pontoon.
- Do these engines include everything needed for installation?
Some listings include core components, but many require additional mounting hardware, fuel lines, and propellers not shown in product features.