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Old 02 January 2009, 15:38   #1
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Dire warning-Outboard covers.

Dire warning time...

I have one of the supposedly 'breathable' covers from ebay over my outboard cowl. It's been on there about a month at the moment. Search ebay for 'outboard cover' and you'll find it-it's the blue cowl only cover. It's blatantly not breathable enough given what I've just found.

I just popped out to winterise the engine. When I pulled the cowl off and the plugs out it's been VERY damp in there. So much that there was a LOT of condensation inside the cylinders to the point that there was 2 stroke oil/water emulsion on the plugs and water droplets bridging the electrode gaps.
The entire powerhead was covered in spots of water from condensation. Luckily I caught it in time before any serious damage occurred-but had I winterised it and left it then I doubt I'd have been so lucky.

If you've got one of those covers, get it off ASAP or get some way of letting air circulate properly under there. Either way, check your plugs.
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Old 02 January 2009, 17:32   #2
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give it a good spraying with corrosion guard aswell
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Old 02 January 2009, 19:44   #3
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give it a good spraying with corrosion guard aswell
Already done last time I used it-and part of winterising is redoing it.
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Old 02 January 2009, 20:03   #4
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Never winterised any of my motors. It's just a good excuse to fire it up every 4 weeks or so on a Sunday morning and wake the Natives
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Old 02 January 2009, 21:46   #5
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Good point - I was always dubious about those covers. Looking at some seriously ancient outboards around our harbour they seem to manage well enough on their own!!!
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Old 03 January 2009, 13:34   #6
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That's a bummer. I guess you have to leave the cowl vents unobstructed to stop the condensation. Pair of scissors may improve things. At least the cover will protect the paint on the cowl - unless it freezes to it or any flapping in the breeze doesn't wear it away.
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Old 03 January 2009, 14:16   #7
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Just checked mine - bone dry inside the cowel. BUT ,my cover is also covered by a flap of the main boat cover & is also in a quite breezy site .

There was however a nice few litres water around the skeg (a swift fix for the knife)- so agree clearly not breathable.
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Old 04 January 2009, 07:11   #8
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Quote:
Originally Posted by Nos4r2 View Post
Dire warning time...

I have one of the supposedly 'breathable' covers from ebay over my outboard cowl. It's been on there about a month at the moment. Search ebay for 'outboard cover' and you'll find it-it's the blue cowl only cover. It's blatantly not breathable enough given what I've just found.

I just popped out to winterise the engine. When I pulled the cowl off and the plugs out it's been VERY damp in there. So much that there was a LOT of condensation inside the cylinders to the point that there was 2 stroke oil/water emulsion on the plugs and water droplets bridging the electrode gaps.
The entire powerhead was covered in spots of water from condensation. Luckily I caught it in time before any serious damage occurred-but had I winterised it and left it then I doubt I'd have been so lucky.

If you've got one of those covers, get it off ASAP or get some way of letting air circulate properly under there. Either way, check your plugs.
Do you not think it is a question of you get what you pay for, a cheap ebay piece of crap will always be a cheap piece of crap
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Old 04 January 2009, 07:40   #9
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Do you not think it is a question of you get what you pay for, a cheap ebay piece of crap will always be a cheap piece of crap
Sometimes nowadays the cheap stuff can be very nearly as good as the expensive stuff. Maybe a few years ago it was very true & in some stuff (I find less & less) its still true.

For the money I tend to think I'll try the cheap crap first - if it works great - if not I then buy more expensive.

Looking at it I think I've got the full cover & not the cowl only version . Based on that I'd expect mine to be worse, maybe there is something else going on with either mine or Nos' to make the differance ?
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Old 04 January 2009, 08:34   #10
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Originally Posted by bedajim View Post
Do you not think it is a question of you get what you pay for, a cheap ebay piece of crap will always be a cheap piece of crap
It's exactly the same material as the rather good boat covers from ebay-and while cheap, there's not any other storage alternatives (Open to ideas though for a decent breathable cover for the engine!). It just seems to need quite a bit more ventilation to keep moisture out than it gets when drawstringed onto the engine.
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