Outboard pivot and ratchet - how to de-gunk?

wanstronian

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9 Mar 2015
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Hi all,

I have an old outboard motor. Under the cover it's clean and tidy, starts first pull and runs beautifully.

However, the outside has been less studiously looked after. I spent a "happy" couple of hours the other week loosening the transom clamp bolts, for example.

The main transom pivot is seriously gunked up with (I assume) a mixture of salt and grease). Worse, the ratchet mechanism that should clack-clack-clack into place as I hoist the motor is seized almost solid.

What's the best approach for unseizing it? I was planning to soak it in WD40 and just work it backwards and forwards until the grease dissolved out, then re-grease. I was also toying with the idea of applying some heat from a heat gun which might melt the grease, but this could easily strip the paint and might even deform the ally.

Some advice would surely be appreciated!

W.
 
Hi all,

I have an old outboard motor. Under the cover it's clean and tidy, starts first pull and runs beautifully.

However, the outside has been less studiously looked after. I spent a "happy" couple of hours the other week loosening the transom clamp bolts, for example.

The main transom pivot is seriously gunked up with (I assume) a mixture of salt and grease). Worse, the ratchet mechanism that should clack-clack-clack into place as I hoist the motor is seized almost solid.

What's the best approach for unseizing it? I was planning to soak it in WD40 and just work it backwards and forwards until the grease dissolved out, then re-grease. I was also toying with the idea of applying some heat from a heat gun which might melt the grease, but this could easily strip the paint and might even deform the ally.

Some advice would surely be appreciated!

W.

Lots of engine degreaser might help with the cleaning.
 
I've used diesel before to clean out old hard grease. That and a toothbrush and scraps of rag and lots of time (but I rather enjoy it :) )

Pete
 
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