Boat Repair Channel Islands

805 Marine Diesel Mechanic delivers classification-grade inboard marine diesel repair, refit, and maintenance at Channel Islands Harbor and nearby marinas. We meet USCG and class expectations while using Genuine OEM parts and factory-trained technicians—so your yacht, workboat, or charter returns to service quickly and safely.

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International-Standard Repairs, Local Convenience

• Compliance-minded workmanship: Built to classification society best practices and US Coast Guard expectations.
• OEM parts & procedures: Cummins, Volvo Penta, Yanmar, MAN, MTU, John Deere, BETA and more.
• Inboard diesel only: We specialize exclusively in inboard marine diesel systems.

Mobile Boat Repair Channel Islands

Skip the haul-out for routine service. Our fully equipped trucks bring dealer-quality diagnostics and repairs directly to your slip, private dock, or yard—minimizing downtime and cost.

• On-site engine diagnostics, fault-code analysis, compression & oil analysis
• Dockside oil & filter service, coolant service, zincs, and belt/impeller changes
• Fuel system cleaning, injector testing, Racor/primary & secondary filter changes
• Cooling system inspections, heat-exchanger service, raw-water pump rebuilds
• Electrical troubleshooting: alternators, starters, harness/can-bus, battery systems

Repower Boat Diesel Engine — Channel Islands

Love your hull but the engine’s tired? Repowering can modernize performance, reduce emissions, and improve fuel economy. We’ll help you evaluate rebuild vs. repower based on horsepower needs, duty cycle, budget, installation space, and emissions requirements.

Expert Diagnostics, Genuine Quality

Accurate diagnosis saves time and money. We pair factory software and test equipment with experience in Pacific conditions to pinpoint root causes—then repair with Genuine OEM components for durability.

Common Boat Issues We Solve

• Engine problems: oil leaks, overheating, hard start, low power, vibration
• Electrical faults: charging failures, wiring corrosion, sensor anomalies
• Exhaust & cooling: seawater mixing elbows, heat exchangers, raw-water flow
• Running gear: shaft/seal service, alignment, strut & cutlass bearing checks
• Fuel contamination: tank polishing guidance, filtration upgrades (Racor)

Preventive Maintenance Programs

Protect your investment with scheduled service—weekly, monthly, or seasonal—tailored to Channel Islands usage and salt exposure.

• Oil & filter changes, lab oil analysis
• Fuel filters, injector balance checks, tank care
• Cooling system flushes, anodes, hose/Clamp audits
• Battery/charging tests, sea trial data review
• Winterization & spring commissioning

Where We Work

• Channel Islands Harbor — all marinas & yards
• Ventura Harbor — commercial & recreational
• Santa Barbara — harbor marinas & private docks

Why 805 Marine Diesel Mechanic?

• 25+ years hands-on regional experience
• Inboard diesel specialists—no gas or outboards
• Fast turnaround with stocked service vehicles
• Customer-first communication & clear estimates

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Boat Repair Channel Islands — FAQs

Do you offer mobile dockside repairs at Channel Islands Harbor?

Yes. Our mobile team performs diagnostics, maintenance, and most repairs dockside—saving you a haul-out for routine work.

Can you help decide between an engine rebuild and a repower?

We compare total cost of ownership, horsepower, space/weight, emissions, and duty cycle to recommend the right path for your vessel.

Which brands do you service?

We service inboard diesels including Cummins, Volvo Penta, Yanmar, MAN, MTU, John Deere, and BETA using Genuine OEM parts.

Do you work on gasoline or outboard engines?

No. We specialize exclusively in inboard marine diesel engines and systems.

How do I book service?

Use our contact form to request a free estimate. We’ll confirm location, access, engine model, and the scope of work.