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How to choose the perfect Marine Engine according to your type of boat
Choosing the right engine for a boat is one of the most important decisions a boat owner, shipbuilder, or marine professional can make. Whether it's for a new installation or a repowering project, selecting the ideal engine makes all the difference in terms of efficiency, safety, comfort, and durability.
Not all boats have the same requirements, which is why today we want to help you understand the key factors that influence this decision. And of course, we’ll also show you how Solé can support you every step of the way.
Why isit so important to choose the right Engine?
A marine engine is not just a source of propulsion – it is the heart of the boat. Its correct sizing and adaptation to the type of vessel directly affect:
• Fuel consumption and range
• Onboard comfort (vibrations, noise)
• Handling response during manoeuvres and cruising
• Maintenance needs and overall service life
That’s why it’s essential to carefully analyse how the vessel will be used, its technical specifications, and the usual sailing conditions.
Types of boats and recommended Engines
Below is a general guide based on the type of boat. Naturally, every project is unique, but these recommendations can serve as a useful starting point.
Recreational Boats
Sailing Boats
Sailing boats require reliable, compact, and quiet auxiliary engines. They are often combined with a marine generator to ensure onboard power supply.
Recommended engines: MINI-33 and MINI-44
Can be combined with: Solé marine generators (Variable Speed or Standard range)
Commercial or Work Boats
These vessels require engines and solutions compatible with class certifications (TAC).
Recommended engines: Engine range and Generators with Type Approval certificates
Advantages: High performance, regulatory compliance, complete solutions for fleets
Common mistakes when choosing an Engine (and how to avoid them)
- Choosing based on power without calculating actual needs
An oversized engine may lead to mechanical issues and higher fuel consumption; an undersized one results in poor performance. - Not considering the propeller type and transmission
The engine must work in harmony with the shaft and propeller. A poor combination reduces overall efficiency. - Ignoring compatibility with the available onboard space
Dimensions, ventilation, maintenance access… everything must fit properly. - Overlooking after-sales support
Having a manufacturer with a strong service and spare parts network is key to worry-free sailing.
How Can Solé Help You?
At Solé Advance, we don’t just manufacture engines. We provide complete repowering solutions designed to simplify installation and ensure optimal performance from day one:
Custom repowering kits:
Engine mounts tailored to your original engine bed, designed to make replacement easy without modifying the hull.
Compatible inverter kits:
A wide range of inverters and gearboxes for different shaft configurations, with personalised advice.
Complete propulsion line:
Marine propellers, shafts, stern tubes, seals and accessories, all designed to work together as a reliable, integrated system.
Technical support and international distribution network:
Our team and authorised distributor network are here to advise you, help you choose, and support you throughout your engine’s lifetime.
Are you considering repowering or installing a new engine?
Get in touch with our team. We’ll be happy to assess your case and offer the solution that best suits your boat and sailing style.