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Yamaha 90 2stroke leakin oil at oil pump gasket

grubbs11

New member
"my 90 hp yamaha is leaking oi

"my 90 hp yamaha is leaking oil around the oil pump that is attached to the oil tank by a very secured rubber gasket. just the fact of the tank being full of oil must be putting pressure on the gasket. is this a common problem and what can i do to fix this. i alwalys leave the engine tilted during strorage on the prop holder. never been a problem before, just wondering if i need to put engine at 90 degrees when stored in the yard."
 
i thought that was the oil pum

i thought that was the oil pump but it is actually the oil sensor. and it is leaking around the top of the flange or nipple
 
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