Yanmar 4LV250 Inboard Diesel Engine

Introducing the New Yanmar 4LV250 Inboard Diesel Engine—a 4-cylinder, 2.75-liter powerhouse designed for exceptional efficiency and performance. Equipped with advanced common-rail technology, this turbocharged engine delivers robust low-end torque and impressive acceleration, making it ideal for sailing yachts over 50 feet, superyacht tenders, small motorboats, and light-duty commercial vessels.

Key Features:

• Advanced Common-Rail Technology: Ensures optimal combustion for maximum performance and reliability.
• Low Emissions: Exceeds EPA Tier 3 and EU RCD Stage 2 regulations, offering virtually smoke-free and odorless operation.
• Quiet Operation: Designed to minimize noise and vibration for a more comfortable boating experience.
• Fuel Efficiency: Maintains minimal fuel consumption without compromising on power.

Specifications:

• Rated Output: 184 kW (250 mhp) at 3800 rpm
• Displacement: 2.755 L (168 cu in)
• Number of Cylinders: 4
• Cylinder Bore x Stroke: 92 mm x 103.6 mm (3.6 in x 4 in)
• Combustion System: Direct Injection, Denso Common Rail System
• Aspiration: Turbocharged & Intercooled
• Alternator: Denso 12V – 130A
• Dry Weight (without gear): 334 kg (736 lbs)
• Dimensions: 1151 mm x 755 mm x 772 mm
• Controls: Mechanical (optional VC20 system)
• Certifications: RCD 2, IMO Tier 2, EPA Tier 3, BSO II, EMC, SOLAS

Standard Engine Package:

• Exhaust mixing elbow (L-type)*
• Through drive exhaust**
• Alternator 12V – 130A
• B25 panel*
• VC10 Vessel Control System**
• Power steering**
• Mechanical throttle sensor*
• Flexible mounts
• Fresh water expansion tank*

*Inboard model

Optional Accessories:

• High-riser mixing elbow (instead of L-elbow)*
• Through hull exhaust
• Secondary alternator 12V – 130A or 24V – 110A with smart regulator
• Extension harness (3m, 5m, 10m, 20m)
• Second station
• C35 panel
• Sidemount control head
• VC10 Vessel Control System
• JC20 Inboard Joystick
• JC10 Sterndrive Joystick
• NMEA2000 Engine monitoring system
• Internal tie-bar
• Semi 2-pole
• SOLAS including Certificate (factory fit only)
• Hot water connection
• Water separator
• Man Over Board Switch (single)
• C-Type trolling (KMH50 only)
• On-board spare parts kit

*Inboard model

Warranty Information:

• 5-Year Warranty

Frequently Asked Questions:

1. What types of vessels are compatible with the Yanmar 4LV250 engine?The 4LV250 is suitable for sailing yachts over 50 feet, superyacht tenders, small motorboats, and light-duty commercial vessels.
2. Does the 4LV250 comply with current emission standards?Yes, it exceeds EPA Tier 3 and EU RCD Stage 2 emission regulations, ensuring environmentally friendly operation.
3. What are the control options available for this engine?The engine comes with mechanical controls as standard, with an optional VC20 system for enhanced control.

For more FAQs, visit our Frequently Asked Questions blog.

The Yanmar 4LV250 Inboard Diesel Engine combines advanced technology with robust performance, making it an excellent choice for various marine applications.