I believe it is of the same color as land engine oil
Shell Melina S30 marine engine oil color
Mixing oil weights is a NO,NO.
The marine main engine lube oil sump is critical to keep the engine running. If the pump gets clogged or fails, then the engine will seize and be ruined.
You must use a special marine oil of 10-40 W or 5-40 W. Normal car and land engine oil does not displace water. Marine oils can be purchased from many large engine oil producers, and there are also companies that specialize in marine oils.
It depends on the fluid. Antifreeze is a different color from engine oil.
Blown head gasket or cracked head.
When engine oil turns gray or milkey cream color, its a sign of moisture in the oil.
Yes, you can use synthetic motorcycle oil in a Crusader marine engine, provided that it meets the required specifications and API ratings for marine use. However, it's essential to check the manufacturer's recommendations for oil type and viscosity to ensure compatibility and optimal performance. Using oils specifically formulated for marine engines is generally advised, as they contain additives tailored for the unique conditions of marine environments. Always consult your engine's manual or a professional mechanic if in doubt.
The oil capacity for a Caterpillar 3412 marine engine typically ranges from 30 to 35 gallons (approximately 113 to 132 liters), depending on the specific model and configuration. It's essential to consult the engine's manual for precise specifications, including oil filter and cooler capacities, as these can affect the total oil volume required. Regular maintenance and proper oil levels are crucial for optimal engine performance.
Most likely head gaskets or cracked water jacket.
the oil
not unless there is a significant color change in the oil, might be because of when the oil leaving the engine air is hitting it called aeration