In the naval sector, finding a perfect balance between compact dimensions, reduced weight, and exceptional durability is no easy task. That’s why this month we are launching our "Engine of the Month" section with a true titan of small displacement nautical engineering: the Solé Diesel MINI-17.
Whether you are a passionate sailing boat owner or a maritime professional whose fuel bill defines the success of the month, this officially distributed two-cylinder block by Alvarez Riveira has a robust response for you.
The Foundation of Global Success: The Mitsubishi L2E Industrial Block
The secret of the MINI-17's longevity lies in its foundations. Solé Advance uses the renowned Mitsubishi L2E industrial block as its base. What does this mean for the shipowner?
- Long-term availability of spare parts guaranteed at any port in the world.
- Excellent thermal stress tolerance thanks to its 4-stroke architecture and 2 inline cylinders (635 cc).
Unlike other marinised engine blocks on the market that increase their maintenance costs, the synergy between Mitsubishi's Japanese engineering and Solé's European marinisation makes it the most economical and efficient diesel engine in its category.
Power at 3600rpm
2 Inline Cylinders
12 V Alternator
Weight with inverter
Completed installations
Standard inverter
Leisure Navigation: Acoustic Comfort and Family Safety
For owners of sailing boats up to 30 feet and recreational llaüts, the engine is synonymous with peace of mind. No one wants an idyllic summer day to be marred by the deafening noise of a vibrating engine room.
Thanks to its advanced indirect mechanical injection (IDI) system, the MINI-17 introduces fuel into a pre-combustion chamber before the main chamber. This smooths the release of energy, drastically reducing the cyclical noise of the diesel and eliminating annoying vibrations in the hull. You will be able to keep your batteries charged or motor against the wind while enjoying a smooth conversation in the cockpit.
Professional Sector: Torque, Minimum Consumption and Maximum ROI
In small artisanal fishing boats or workboats, the engine is not an auxiliary; it is the tool that brings bread to the table. This is where the MINI-17 demonstrates its most technical side:
Motor Torque and Constant Thrust:
It develops 16 HP (11.8 kW) at 3600 RPM of intermittent power, offering sensational torque at low revolutions, ideal for manoeuvring with nets or towing light loads with complete safety.
Thermodynamic Efficiency:
Its consumption is astonishingly low, recording a theoretical average of just 1.6 litres/hour at 2000 RPM, and never exceeding 3.8 litres/hour at full mechanical performance. Fewer stops for refuelling directly translate into greater profitability for the day.
⚠️ Safety and Technical Service Note:
Technical Service
Although the MINI-17 stands out for its ease of daily servicing (with very accessible filters), any complex mechanical intervention or repair should be carried out by professionals to ensure your safety at sea. If you need assistance, preventive maintenance, or a tune-up, the specialised technical service from Alvarez Riveira is always at your disposal.
High Engineering Marinisation Against Corrosion
The marine environment destroys conventional engines. Therefore, Solé Advance has equipped the MINI-17 with premium components:
- Weldless Single-Piece Heat Exchanger: The heat exchanger for the saltwater circuit is made from weldless cast injection. By eliminating traditional welded joints, the most common failure point of inboard engines is removed, preventing leaks.
- Oversized 75 A Alternator: While the competition typically equips 40 A alternators, Solé includes a 75 A (12 V) power plant as standard. A blessing for both the fisherman powering his deck lights and the sailor with a fridge and electronics on board.
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Technical Data Sheet of the Solé Diesel MINI-17
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Engine Base
Mitsubishi L2E (Diesel, 4-stroke)
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Cylinders
2 online
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Engine Capacity
635 cc
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Intermittent Power
16 CV (11,8 kW) a 3600 RPM
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Injection
Indirect Mechanics
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Alternator
12 V / 75 A
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Standard Inverter
TMC-40P Cone Mechanic
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Dry Weight (with Inverter)
~95-96 kg
Thinking of retiring your old engine? Repowering options available
If your old engine (such as the classic Volvo Penta MD series or Yanmar YSE) has reached the end of its useful life, making the switch to the MINI-17 is easier than ever. Solé offers a library of over 20 "Support Packs" or specially adapted mounts that allow the engine to fit into the existing brackets of your boat, drastically reducing labour hours in the shipyard.
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