Jointing material used for engine exhausts

Reason for keeping engine lubricating oil viscosity within recommended limits?

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Cooling water temperature out of the engine too high

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High cooling water temperature of single unit

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Pipe leading to a starting air valve is hot

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Knocking in the engine

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Engine shut down condition

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Slow down on scavenge box fire

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Cummins engines issues

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What is the wear limit to discard four stroke engine valves and seats?

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How to extract valve seats from cylinder head?

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