In terms of installation convenience, the two are comparable. Fuel-powered outboard motors can be directly hung on the transom, eliminating the need for complex stern shaft alignment; electric outboard motors, with their compact structure, can also be easily installed on the outside of the stern, and ordinary users can complete the operation independently without professional technical support.

In terms of space utilization, both have their own advantages. Fuel-powered outboard motors do not require an engine room, which can significantly save cabin space; electric outboard motors also do not occupy the engine room, and their under-mounted or over-mounted motor designs further reduce the occupation of the internal space of the hull, making the spatial layout of the boat more flexible.

The comparison of reliability and service life is more distinct. Fuel-powered outboard motors are limited by lightweight design, so their reliability and service life are usually low, and the service life is generally 2-5 years for commercial use; electric outboard motors have theoretically higher reliability due to their simple structure and fewer moving parts, but factors such as battery life make their overall service life uncertain, and they may face the problem of battery replacement in the later period.

In terms of energy utilization and cost control, electric outboard motors have obvious advantages. Fuel-powered outboard motors have low energy utilization efficiency and poor fuel economy, resulting in high fuel expenses in long-term use; electric outboard motors have high energy conversion efficiency, and the charging cost is much lower than the fuel cost. In addition, their simple structure leads to a significant reduction in maintenance work, which can effectively reduce the comprehensive use cost.

In terms of maintenance difficulty, the gap is more prominent. Fuel-powered outboard motors have complex structures and numerous moving parts, resulting in heavy later maintenance workload and high failure rates, and it is necessary to regularly replace vulnerable parts such as engine oil and spark plugs; electric outboard motors have low maintenance costs. The under-mounted motor type does not require a gearbox, eliminating the need for changing gear oil. Even the over-mounted motor type does not require complex maintenance operations on the engine.

In the storage and transportation links, electric outboard motors are more secure. Fuel-powered outboard motors have the risk of gasoline leakage, which is both a safety hazard and environmental pollution; electric outboard motors completely avoid this problem, making the transportation and storage process safer and more convenient, and more friendly to the environment.

These differences together constitute the core differences between the two types of power equipment, providing clear selection guidelines for users with different needs.