Yanmar Marine Engine Specifications

Yanmar marine diesel engine specifications and professional service by
805 Marine Diesel Mechanic, providing Yanmar diagnostics, maintenance,
repair, and repower solutions in Ventura, Oxnard, Channel Islands Harbor, and Santa Barbara.

Yanmar Marine Engine Specifications provided by
805 Marine Diesel Mechanic, servicing Ventura, Channel Islands & Santa Barbara.

Yanmar Marine Mechanic

Schedule Yanmar Engine Service with 805 Marine Mechanic

Discover Superior Performance: Unveiling Yanmar Marine Engine Specifications

Yanmar marine engines combine precise engineering, clean power, and exceptional reliability,
making them a top choice for both recreational and commercial vessels. From coastal cruising to
working the Channel Islands, their compact design, common rail technology, and low emissions
deliver efficient, dependable performance. Paired with expert care from
805 Marine Mechanic, your Yanmar engine stays optimized for California’s demanding
marine conditions.

Yanmar Marine Engine Performance

Robust Design Features

Yanmar marine engines are built for the harsh marine environment with corrosion-resistant
materials, advanced cooling systems, and compact layouts for easier installation and service.
Reinforced mounts reduce vibration and noise for a smoother onboard experience, while strict
quality control ensures each engine meets Yanmar’s reliability standards.

Superior Fuel Efficiency

Direct injection and Denso common rail systems optimize combustion for strong power and low
fuel consumption. Lightweight construction and efficient turbocharging help reduce operating
costs and support longer range between fills—ideal for both private yachts and commercial craft.

Exceptional Reliability

Yanmar engines undergo rigorous testing and are designed with service-friendly layouts to
minimize downtime. When paired with regular professional maintenance, they deliver consistent,
dependable power season after season for boaters who can’t afford surprises offshore.

Yanmar Marine Diesel Engine Specifications: 8LV370 (Z)

• Rated Output: 272 kW / 370 mhp
• Rated Speed: 3800 rpm
• Displacement: 4.46 L / 272 cu. in
• No. of Cylinders: V8, 8 cylinders
• Cylinder Bore x Stroke: 86 mm x 96 mm / 3.38 in x 3.78 in
• Combustion System: Direct Injection, Denso Common Rail System
• Aspiration: Twin Turbocharged & Intercooled
• Alternator: 12V – 180A
• Dry Weight (without gear): 435 kg / 959 lbs
• Dimensions (L x W x H): 1340 mm x 880 mm x 766 mm
• Controls: Electronic
• 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 – 180A
• VC10 Vessel Control System
• Power steering**
• Flexible mounts
• Fresh water expansion tank

Optional Accessories

• High-riser mixing elbow [instead of L-elbow]*
• Through hull exhaust**
• Extension harness [3m, 5m, 10m]
• Second station
• JC20 Inboard Joystick*
• JC10 Sterndrive Joystick**
• NMEA2000 engine monitoring system
• SOLAS incl. factory certificate
• Hot water connection
• Water separator
• Front PTO pulley [V-belt type A or B]
• Power steering pump*
• Power steering cooler*
• Electric shift**
• Exhaust cooling water bypass
• Lube oil drain pump
• Bilge pump [12V]
• Opposite dipstick

Benefits of Repowering with Yanmar

Installing a new, technologically advanced Yanmar engine like the 8LV370 instantly breathes
new life into your boat.

With the right system, you benefit from:

• Improved acceleration, power, and responsiveness.
• Lower running costs and increased uptime.
• Enhanced fuel efficiency and reduced environmental impact.
• Modern electronics, controls, and diagnostics with MFD integration.
• A smoother, quieter, and more enjoyable boating experience.

Expert Yanmar Marine Diesel Engine Services in Ventura, Channel Islands & Santa Barbara

At 805 Marine Mechanic, we provide complete Yanmar marine diesel engine services for
owners in Ventura, Oxnard, Channel Islands Harbor, and Santa Barbara. From common rail diagnostics
to full repower projects, our technicians keep your Yanmar running at peak efficiency, reliability,
and power in demanding Pacific conditions.

Choosing 805 Marine Mechanic for Yanmar diesel engine repair and service means expert workmanship,
advanced tooling, OEM parts, and mobile dockside support focused on keeping you on the water.

Preventative Maintenance for Yanmar Engines

Regular preventative maintenance is the most effective way to extend Yanmar engine life and avoid
costly failures. Our packages include:

• Oil & filter changes: Using Yanmar-approved oils and filters.
• Fuel system servicing: Injector care, filter replacement, and water contamination prevention.
• Cooling system maintenance: Flushing, zinc replacement, heat exchanger and aftercooler service.
• Electrical checks: Testing batteries, alternators, and starters.
• Exhaust inspections: Ensuring safe, leak-free, efficient operation.

All services follow Yanmar factory specifications for fuel efficiency, emissions compliance,
and reliability.

Professional Yanmar Diesel Engine Repair

When issues arise, our team diagnoses and repairs:

• Overheating and cooling system failures.
• Loss of power or increased fuel consumption.
• Injector and fuel pump problems.
• Turbocharger wear and performance issues.
• Electrical faults, ECU, and sensor-related problems.
• Excessive smoke or abnormal exhaust conditions.

We use OEM Yanmar parts and repair procedures to restore performance and protect warranties.

The Benefits of Repowering with a Yanmar Marine Engine

For aging or inefficient powerplants, repowering with a modern Yanmar engine can:

• Improve fuel economy with advanced common rail technology.
• Lower noise and vibration levels.
• Reduce emissions to meet EPA Tier 3 and IMO Tier 2 standards.
• Increase reliability and reduce unplanned downtime.
• Boost overall vessel resale value.

805 Marine Mechanic manages selection, removal, installation, alignment, integration, and sea trials
for a seamless repower.

Why Choose 805 Marine Mechanic for Yanmar Engine Service?

• 30+ years of marine engine experience – family-owned with proven results.
• Factory-trained technicians – specializing in Yanmar marine diesel engines.
• Local expertise – programs tailored to Ventura, Channel Islands, and Santa Barbara conditions.
• Advanced diagnostics – rapid, accurate fault-finding.
• Emergency repair support – minimizing downtime and lost trips.

Yanmar Engines for Commercial & Recreational Applications

• Recreational yachts: Quiet, efficient cruising.
• Fishing vessels: Durable torque and long-range reliability.
• Passenger boats & ferries: Clean, dependable propulsion.
• Workboats & commercial craft: Built for continuous-duty demands.

Whatever you operate, 805 Marine Mechanic tailors service to your vessel’s duty cycle and mission.

Extending Engine Life with Expert Service

• Improved longevity: Correct lubrication and cooling reduce wear.
• Better fuel efficiency: Clean injectors and tuned systems save fuel.
• Reduced downtime: Preventative care catches problems early.
• Lower ownership cost: Fewer major failures over the engine’s life.

Routine service with 805 Marine Mechanic protects your Yanmar investment and your time on the water.

Service Coverage Areas

We provide full Yanmar marine diesel support throughout:

• Ventura Harbor – fishing fleets, yachts, recreational vessels.
• Oxnard & Channel Islands Harbor – commercial and pleasure craft.
• Santa Barbara – complete Yanmar maintenance, repair, and repower.

Wherever you dock, our mobile technicians keep your Yanmar diesel running strong.

Final Thoughts: Power Your Adventures with Yanmar & 805 Marine Mechanic

For Yanmar marine diesel engine service in Ventura, Oxnard, Channel Islands, and Santa Barbara,
805 Marine Mechanic is the trusted partner. From routine maintenance and troubleshooting
to complete 8LV370 repowers, we combine experience, diagnostics, and genuine parts to deliver
reliable power and peace of mind.

Navigate California’s coastal waters with confidence—knowing your Yanmar is maintained by specialists
who understand your engine, your harbor, and your schedule.

Request Yanmar Service or Repower Consultation

For additional maintenance insights, visit
BoatUS Expert Advice and
Yachting Magazine How-To Guides.

Yanmar 8LV370 & Yanmar Service FAQ

How often should I service my Yanmar 8LV370?

Follow Yanmar’s recommended intervals and adjust based on hours and conditions. Many owners
service oil, filters, and key checks every 100–250 hours, with annual cooling and fuel system inspections.

Can 805 Marine Mechanic service my Yanmar at the dock?

Yes. Our mobile technicians provide dockside Yanmar maintenance and repairs in Ventura, Oxnard,
Channel Islands Harbor, and Santa Barbara.

What are common signs my Yanmar needs attention?

Excessive smoke, overheating, hard starting, loss of power, or abnormal vibration indicate it’s time
for a professional inspection.

Is repowering with a Yanmar 8LV370 a good option for older boats?

Yes. Repowering can significantly improve performance, fuel economy, emissions compliance,
and vessel resale value, especially for aging or underpowered engines.

Do you use genuine Yanmar parts?

805 Marine Mechanic uses OEM Yanmar parts and approved fluids to maintain reliability,
performance, and warranty protection.