An outboard motor is a propulsive engine system for boats comprised of three main components, the engine, propeller, and a gearbox. Outboard motors are usually small in size, occupies little to no space in the boat itself, but in most cases are clamped to the transom, and can be easily removed for safe storage and repairs. They come with two starting options that are the electric and manual engine start options. Outboard boat motors are classified into large outboard motors and small outboard motors. We’ll be focusing on smaller outboards intended for inflatables and dinghies suitable as tenders.
The engine size can determine the engine output power, ranging from 2 Horse Power (HP) 10 HP. Small outboard boat motors are equipped with a two-stroke engine while most large outboard motors are fitted with four-stroke engines.
Yamaha and Mercury have the highest number of different models, considering factors such as the trim angle and size, engine ventilation, the engine safety mechanism, and the engine cooling system. Yamaha comes with 2 stroke variants of 2.5hp, 3.5hp, 4hp, 5hp, 6hp, 8hp and 9.9hp capabilities. Mercury also has variants of 2.5hp, 4hp, 5hp, 6hp and 9.9hp capabilities for small outboard models.
Outboard motors are currently the most popular motorized method used to propel small watercraft. When looking to buy an outboard for your dinghy, it is best that you put your needs, the most important considerations might include power and shaft length and ease of installation. Will you be removing your motor after each use or leaving it on the boat in the water? Small outboards are light in weight, easy to store, as well as are easy to take on and off the transom. If this is your objective, consider the 2.5hp from different brands. The following are 5 of the 2.5hp outboard motors in the market.
Yamaha 2.5hp Outboard
This outboard runs on petrol and comes with a tell-tale deflator that serves the purpose of preventing the boat from filling with water when the engine is in motion. Also, it features access panels in the cowling that boost the functionality of the spark plug and sump drain. These two features provide outstanding features of the Yamaha brand.
In reference to performance, it is the most silent outboard running on gasoline. On the other hand, it was among the lowest in bollard pull. Portability is easier as it is balanced. However, this outboard is not the lightest in this review.
Suzuki 2.5hp Outboard
This 2.5 hp engine is the lightest outboard weighing at about 28 pounds. You don’t need worry about losing it in water since the tow cowling remains attached by the start cord. Portability is easy and efficient thanks to its chunky handle. You will also love the external sump oil indicator that makes it easy and fast to monitor oil levels.
Mercury 115 Outboard
With a great resemblance to the Optimax 135 and 150 with the difference of a restrictor ring and a reprogrammed engine control computer. It gets noisier with the increase in speeds as compared to the other brands. Comparing this to the Yamaha, it is heavier in weight. It also comes with more add-on bits and pieces that make it vulnerable
Honda 2.5hp Outboard
With a comparison to the rest, this outboard stands out as the only air-cooled engine. Also, it has no forward and neutral gear. The external oil indicator comes in handy for monitoring oil levels, similar to the Suzuki brand. The carrying handle is comfortable.
Torqeedo T1003 Electric Outboard
The Torqeedo outboard runs on electricity and is relatively costly. However, this is definitely your outboard for those looking for a lightweight, almost silent ride and is not accompanied by a fuel tank. It features a built-in 18Ah battery and a 480W motor which comes together to equate the performance of a 3hp outboard. It comes with a reverse gear, and its display helps you to monitor your speed, battery capacity, as well as power usage.
As an electric outboard, it is easy to use and operate. Portability is easy as you can disconnect the battery allowing you to carry either part on both hands.