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After internal (main) oil tank replacement on a Yamaha V6 200 from 2002

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  • After internal (main) oil tank replacement on a Yamaha V6 200 from 2002

    Was forced by a broken connection to the aux. tank to replace the main, internal oil tank. From the bottom of the tank a hose goes vertically down into the oil pump, so it looks like nothing can go wrong ...

    Yet I wish I can determine that the oil pump is functioning properly, before taking out to sea.

    At home I ran it with 1% oil in the fuel tank, expected lots of smoke, but it all worked quite fine (maybe a little bit more smoke than should be, but hard to say). Temperatures rose to 55 - 60 Celsius all aroung the engine, 50 - 52 Celsius on the heads. There is a lever on the oil pump, connected to the carb. group (guess it is the pump's throttle). Pulling that lever slightly forward results again not in more smoke but less rpm (750 to 650). Was tempted to pull a hose to one of the cylinders to check for oil pressure but figured out it would not be a nice thing to do. Does anybody have a protocol to follow other than run the engine and check the oil level to drop ?

    Thanks !
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