Best 115 HP Motor for Pontoon Boat Alternatives and How to Choose
Answering the search intent directly: if you’re seeking an 115 HP motor for a pontoon, these compact and mid-range outboard models can be practical alternatives depending on boat size, usage, and budget. This guide highlights five suitable options and explains who each is best for. It also covers key considerations when matching horsepower to a pontoon’s load, cruising needs, and maintenance.
Overview of the top picks featured below. The table summarizes each product’s type, horsepower range, and best-use scenario to help you compare quickly.
| Product | Horsepower | Best For |
|---|---|---|
| BJTDLLX Short Shaft Outboard Motor (12 HP) | 12 HP | Small inflatable or light pontoon setups, compact push for fishing |
| LIWBYYG 169CC 12 HP Outboard Motor | 12 HP | Medium-duty inflatable or small pontoon projects requiring steady cruise |
| LIWBYYG 169CC Outboard Motor 12 HP (Rubber Boats) | 12 HP | Heavy-duty small boats needing reliable CDI ignition |
| 4 Stroke Outboard Motor 4 HP | 4 HP | Very light craft, kayaks, canoes, small inflatables |
| DAERNA 7.5 HP Outboard Motor | 7.5 HP | Fishing boats, moderate cruising on smaller vessels |
BJTDLLX Short Shaft Outboard Motor, 12 HP
The 12 HP two-stroke outboard delivers 661-1763 pounds of thrust with speeds from 8–30 km/h. Water cooling helps maintain performance, while a vent design extends service life. Built from high-quality aluminum, this engine resists corrosion and deformation, suitable for small boats under roughly 661 pounds. It provides forward, neutral, and reverse gears for versatile cruising. Best for small inflatable or light fiberglass pontoons, where space and weight are limited. A potential limitation is the smaller horsepower range for larger pontoons or extended highway-style cruising.
LIWBYYG 169CC 12HP Outboard Motor
This 169cc two-stroke motor claims 12 HP with a streamlined three-blade propeller, delivering up to 8–30 km/h. It emphasizes fuel efficiency, with a CDI ignition system and a relatively large external fuel tank for longer runs. The unit is designed for rubber boats and similar small craft, offering intelligent cruise controls and ergonomic throttle. Best for mid-sized inflatables or small pontoons where steady speed control matters. A caveat: ensure your hull and clamps can accommodate its dimensions and weight.
LIWBYYG 169CC Outboard Motor, 12HP (Rubber Boats)
Another LIWBYYG 12HP option in a 169cc class emphasizes sturdy aluminum construction and anti-corrosion coatings. It includes features like fuel efficiency with CDI ignition and reduced water resistance due to a three-blade propeller design. Best for rubber boats and lightweight pontoons seeking reliable, moderate-speed operation. Limitations include potential fitment considerations for larger pontoons and the need for regular maintenance to maximize fuel savings and reliability.
52CC 2.3 HP Outboard Motor
Designed for smaller vessels, this 2.3 HP two-stroke unit offers fast heat dissipation and a CDI ignition with a manual start. It’s best for tiny boats and fishing craft where only light propulsion is needed. Choose this if you’re prioritizing portability and cost-savings on an ultra-light pontoon setup. Consider that this horsepower level may be insufficient for larger pontoons or sustained cruising, especially with heavier loads.
FLYMEI Outboard Motor Cover
Note: This is a universal cover for 100-150 HP motors. It helps protect your engine from weather, UV rays, and wear when not in use. It’s not a motor, but it contributes to long-term reliability for mid-to-high horsepower pontoon setups. Best for owners of larger engines who want durable protection when engines are parked. Avoid relying on a cover as a substitute for proper engine maintenance or storage conditions.
DAERNA 4 Stroke 7.5 HP Outboard Motor
DAERNA’s 7.5 HP 4-stroke motor emphasizes easy operation with continuous variable transmission and 360-degree steering, offering strong power for mid-sized boats. It suits anglers and casual cruisers on smaller to medium pontoons where dependable low-to-mid range power is desirable. It’s lighter on upkeep than two-stroke engines but may require more frequent fuel management on longer trips. Best for moderate-duty pontoon use, where reliability matters more than maximum speed.
Buying Guide
- What size pontoon boat do you own? For larger pontoons, 90 HP and above is often needed for comfortable cruising, while smaller boats can run efficiently on 4–12 HP engines.
- What will you use the boat for? Light fishing, casual cruising, or family outings may justify lower horsepower or electric-start models; longer runs or heavier loads benefit from more robust power.
- How important is fuel efficiency? Two-stroke engines are typically lighter and simpler but can be less fuel-efficient than modern four-stroke designs; CDI ignition systems improve starting reliability.
- What is your preferred maintenance approach? Aluminum housings resist corrosion; look for water-cooling features to prevent overheating on longer trips.
- How easily can you install and service the motor? Short shaft models fit smaller transoms; ensure clamp brackets, mounting holes, and propeller clearance align with your pontoon’s hull design.
- What about protection and storage? A durable motor cover and proper winterization protect engines in varying climates; consider the storage conditions and exposure.
Frequently Asked Questions
- Can I use a 12 HP motor on a pontoon boat originally rated for higher power? Answer: If the pontoon’s capacity and transom fit are compatible, a smaller engine can be used for light-duty cruising, but performance may be limited under full load or rough water.
- Is a 7.5–12 HP engine enough for a small pontoon? Answer: For casual cruising with light cargo or a small family, yes; for larger loads or higher speeds, consider higher horsepower or dual engines.
- What maintenance steps are essential for two-stroke motors? Answer: Regular oil mixing, spark plug checks, cooling system inspection, and fuel line inspection help maintain reliability and efficiency.
- Are four-stroke motors quieter than two-stroke? Answer: Generally, yes, four-stroke engines run with less noise and lower emissions, though design and muffler quality impact actual sound levels.
- Do I need a special cover for my pontoon outboard? Answer: Using a durable, weatherproof cover protects against UV, moisture, and debris; ensure it fits your engine size.