Yanmar Marine Engine Oil Type & Capacity
Knowing the correct oil type, engine-oil capacity and filter number is essential when servicing a Yanmar marine diesel. This Yanmar marine engine oil type and capacity chart covers popular YM, JH, LH, LP, LY and CX-series engines, while our Marine Diesel Troubleshooting Guide can help diagnose low oil pressure, excessive oil consumption, blue smoke, overheating […]
Volvo Penta Marine Engine Oil Type & Capacity
Knowing the correct oil type, oil capacity and filter number is essential when servicing a Volvo Penta marine diesel. This Volvo Penta marine engine oil type and capacity chart covers popular AD41, TAMD, D4, D6, D9, D11, D12 and D13 engines, while our Marine Diesel Troubleshooting Guide can help diagnose low oil pressure, oil consumption, […]
Marine Diesel Engine Alarms
Marine Diesel Engine Alarms: Oil Pressure, High Temperature & Electrical Fault Diagnosis Guide Marine diesel engine alarms are not failures—they are warnings that a system has already moved outside safe operating limits. The mistake most operators make is reacting to the alarm itself instead of diagnosing the system behind it. Whether it’s low oil pressure, […]
Volvo Penta D2-50 Fuel System Problems:
Volvo Penta D2-50 Fuel System Problems: Hard Starting, Power Loss & Professional Restriction Diagnosis The Volvo Penta D2-50 is a dependable mechanical marine diesel platform, but like all suction-side fuel systems, it is highly sensitive to restriction, air intrusion, and contamination. When fuel supply becomes unstable, symptoms appear quickly—hard starting, stalling, loss of RPM, and […]
Smoke & Combustion Diagnosis Center
Marine Diesel Smoke & Combustion Diagnosis Center Marine diesel exhaust smoke is one of the most powerful diagnostic indicators available. When properly interpreted, smoke reveals imbalances in combustion, airflow, fuel delivery, cooling performance, and mechanical condition—often before major failures occur. This Smoke & Combustion Diagnosis Center serves as a complete authority hub used by trained […]
Cooling System Diagnosis Center
Marine Diesel Cooling System Diagnosis Center Cooling system problems are a top cause of marine diesel breakdowns—especially overheating at cruise, rising exhaust temperatures, power loss, and premature turbo or aftercooler damage. This Cooling System Diagnosis Center organizes the step-by-step troubleshooting process used by trained technicians at 805 Marine Diesel Mechanic. Use this page as […]
Ford Lehman 120 Marine Engine Room Restoration
Ford Lehman 120 engine room restoration after painting and system upgrades. This Ford Lehman 120 twin-engine restoration shows what a clean, methodical marine diesel refit should look like. Before any paint was applied, the engine room was evaluated as a full operating system: starting, cooling, fuel filtration, bilge safety, plumbing access, wiring layout, and long-term […]
Cummins 6BTA 5.9 Repower
Repowering Your Cabo 35: From Cummins 6BTA 5.9 to the FPT NEF-400 5.9 Unlock new power, efficiency, and reliability with a professional marine repower in Santa Barbara, Ventura, or the Channel Islands. Contact 805 Marine Mechanic → Why Cabo 35 owners are choosing to repower now The Cabo 35 Express and Flybridge are among the […]
ZF Marine Transmission & Accessory Experts | 805 Marine Mechanic
ZF marine transmission disassembly during seal replacement and inspection. A ZF marine transmission is only as reliable as the system around it. Slipping, delayed engagement, overheating, or vibration should never be treated as isolated gearbox issues. The correct approach starts with the Master Marine Diesel Troubleshooting Guide to separate engine, drivetrain, cooling, and control problems […]
Sherwood Marine Engine Pump Maintenance
Failed Sherwood impeller with missing vanes—one of the most common causes of overheating. A failing Sherwood raw-water pump is one of the most common causes of marine diesel overheating—and one of the most overlooked. These pumps handle continuous saltwater flow under load, and when they start to fail, the symptoms often show up across the […]