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2007 Yamaha 250 HP Oil Pump Leak

Old 03-21-2019, 08:26 AM
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Default 2007 Yamaha 250 HP Oil Pump Leak

I have a sheen behind my boat everytime I drop it in. Ive narrowed it down to my oil pump has a slow leak. During my service we found oil on the drive shaft. I hear this is a common issue with the motor.

The powerhead needs to be pulled to fix this. I bought the parts and just want to know if anyone has a ball park number for the number of hours in labor this work is?

Thanks in advance.
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Old 03-21-2019, 08:41 AM
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The oil pump has a seal where the pump is attached to the block. Possibly just that seal needs to be replaced. The block does not need to be lifted.

See diagram below:

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Old 03-21-2019, 08:51 AM
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Correct unless he has the F250
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Old 03-21-2019, 08:53 AM
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Originally Posted by alloyboy View Post
The oil pump has a seal where the pump is attached to the block. Possibly just that seal needs to be replaced. The block does not need to be lifted.
assuming that he's just not telling us, that he has an F250
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Old 03-21-2019, 09:13 AM
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Originally Posted by Fwpratt View Post
assuming that he's just not telling us, that he has an F250
You know what they say about the word "assume".

OP says he has a 250. A two stroke. If he had a four stroke he would have said he has an F250.

But then here on THT words don't matter. So I have been told.

I also am assuming that he has an F250 four stroke. I will risk using the word assume.

Is it time for me to post the youtube video about the customer talking to the parts man behind the counter?
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Old 03-21-2019, 10:20 AM
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Originally Posted by trarod13 View Post
The powerhead needs to be pulled to fix this.
Why I assumed F250
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Old 03-21-2019, 01:10 PM
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If a guy gave us his model when a question was asked there would be a whole lot less assuming needing to be done.

Might take some of the fun away however.
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