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Old 19 December 2009, 17:16   #11
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Country: New Zealand
Town: Tauranga
Boat name: Extra Pleasure
Make: Atomix
Length: 5m +
Engine: Outboard 60HP 2Strke
Join Date: Aug 2009
Posts: 182
Quote:
Originally Posted by Locozodiac View Post
worst if you do not constant clean/rinse with fresh water after use.
By this you mean only rinsing thru the coolant system with fresh water I preusme?!! rather than hosting the engine!!!

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Originally Posted by Locozodiac View Post
So to minimize corosion & salt formation, have opted for applying several hands of nail polish to new plugs metal parts. Now have cute & eyecatching spark plugs!!
Sounds flammable to me

Think I need to just give my engine a nice clean out and degrease and just keep on top of it with WD40 (or proper corosion spray when my wd40 runs out...)

Cheers
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Old 19 December 2009, 21:01   #12
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Country: Other
Town: Lima-Peru
Boat name: Nautile
Make: Sea Rider Boats
Length: 4m +
Engine: Tohatsu 18 /30 HP
Join Date: Sep 2007
Posts: 1,706
Always flush engine for 5 minutes after each use, including water squirts on engine lower tray as there is always salt water condensation due to engine heat, towell dry and small amounts of W-40 application with brush as not to have W-40 soup on tray, even so plugs tend to corrode specially lower ones. No problem applying nail polish, been doing it for months as I always change plugs every 250 metered hours, like to see them as new as possible. Just a aesthetic issue look when removing cowl.

Happy Boating
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Old 21 December 2009, 04:30   #13
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Country: UK - Scotland
Boat name: Wildheart
Make: Humber/Delta Seasafe
Length: 5m +
Engine: Merc 60 Clamshell
MMSI: 235068449
Join Date: Apr 2007
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Thing is that as sioon as you start, the engine starts pulling air in from inside the cowl. The air inside the cowl is replaced by air being sooked in form a hole (usually at the top rear of the case, but variations do exist) and so if you are in a saltwater environment, you WILL get salt, moist air ingested. The plugs are at one of the hottest points of the engine away form the exhaust ports, so any moisture in the air round there will evaporate leaving the salt behind.......


Loco - I'd leave those drains open - you have a gaping hole at the top of the cowl, and should you get properly "pooped", how will your tray drain?
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Old 21 December 2009, 04:44   #14
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Country: New Zealand
Town: Tauranga
Boat name: Extra Pleasure
Make: Atomix
Length: 5m +
Engine: Outboard 60HP 2Strke
Join Date: Aug 2009
Posts: 182
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Originally Posted by 9D280 View Post
Thing is that as sioon as you start, the engine starts pulling air in from inside the cowl. The air inside the cowl is replaced by air being sooked in form a hole (usually at the top rear of the case, but variations do exist) and so if you are in a saltwater environment, you WILL get salt, moist air ingested. The plugs are at one of the hottest points of the engine away form the exhaust ports, so any moisture in the air round there will evaporate leaving the salt behind.......
That does make me feel slightly better - outboards are designed for such environments I guess... an being able to pull it out of water and give it a good rinse eveyrtime is a darn sight more than many other boaties would do, esp those who leave boats in water....
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