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Old 06-02-2013
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Question Blown outboard prop shaft seal?

This is a weird one.

Tohatsu 6hp four stroke.

We stored it all winter on its (correct) side then transported it up to the boat in the back of our car, again on the correct side. We left it in the (hot) car most of the day and when I went to take it out I noticed a couple of drops of oil under the prop area. There were a couple more in the cart and it should have been enough to stop me then but I was not thinking. When I tipped the motor into the vertical position oil dripped out of the prop area at a pretty high rate. it slowed down then stopped when I laid it down again. The oil is discolored but not black and it is pretty thick so I am assuming it is transmission oil.

I am assuming I have a blown prop shaft seal, either due to excessive heating in the back of the car or due to side load on the prop during transport. So - as ever - questions:

1. Does this sound reasonable? If not - any other ideas?
2. If the seal has popped out can it be reseated?
3. How much is it likely to cost to get it fixed?

Thanks a lot,

Graham
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