Outboard engine arm gasket advice please

mickyp168

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7 Jan 2015
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Cannes France
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Hi
I have a Tohatsu OB. I have just noticed some very small bubbles that appear to be blowing from the top gasket on the lower leg unit. So not the one around where the prop gears are ,the one above that. Iv'e tightened up the bolts thinking that natural vibration might have loosened them, but there are still some bubbles. Im wondering if this is anything to be concerned about? Or I can leave it until I next get the boat out of the water and it's an easier job than humping it off while still in its berth. Grateful for any advice , thanks
 

Topcat47

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2 Jun 2005
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Solent, UK
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I'm a fairy proficient bodger. It sounds as if there's a bit of corrosion around the joint faces. I'd try a bead of Fernox LSX (from your friendly neighbourhood plumber's merchant) and bolt it up. I'd smear it over both faces before applying a bead to one: leave it for a few minutes to settle, then bolt up.
 
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