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Yamaha 200HP 2 stroke oil leak

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davidlyne

Member
I have a 200hp 2 stroke Yamaha. After about a week with the motor in the down position there is a very small amount of 2 stroke oil running down the outside of the leg. There is no fuel in the oil, it is oil only. The leak is so small it doesn't drip on the ground. The oil injection system is still installed. Any ideas? Thanks in advance for your replys.
 
Thanks for the reply. I will check the oil sensor. How do I check the one way valves? Is this going to cause me a major problem if I keep using the boat with the oil leak?
 
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