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#31
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Re: trailers surge brakes
Pablo , It looks as if it was left in the water with the motor down instead of up. From looking at the photo I did not see any zinc. Check to make sure you have zinc on it. Ihave heard that some motors have the zinc in the little tab that sticks down behind the prop. What do you call that thing (trim tab, steering stabilizer, anti torque) I know what it is for but cant think of what its called.
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1984 V-20 Center Console 1985 90 hp Merc. American by birth, Southern by the grace of GOD. Never let your hobby become a job but rather let you job become your hobby. http://www.wellcraftv20.com/gallery/turbine_doc_84_cc 
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#32
10-17-2006, 09:22 PM
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Re: trailers surge brakes
Turbo,
I believe it is called an anode. It is in the picture just above the prop. I was told and show by the marina that there is also a "U" shaped one at the very bottom of the engine mount.
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Pablo&&\'88 V20 Step/\'07 140 Suzuki&&Viginia Beach&&
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#33
10-17-2006, 11:15 PM
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Re: trailers surge brakes
Yamaha has the U shaped one under the mounting bracket.
There is a stainless grouind wire that connects to the lower part of the motor, you have to make sure that it is clean and mounted tight, so it makes a good connetion. This is what stops the corrision! But leaving it all the way down in the water is not a good Idea!!!
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1986 V20  Old Fishermen never die, we just SMELL that way!!
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#35
10-18-2006, 12:37 AM
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Re: trailers surge brakes
There have been people that clean and sand lower unit then use marin tex or formula 27 to fill all the holes, sand nice then paint, Lower unit will look brand new!!
If you want to go to that much work??
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1986 V20 Old Fishermen never die, we just SMELL that way!!
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#36
10-18-2006, 10:21 PM
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Re: trailers surge brakes
MacoJoe,
So I have 2? One under the cav plate and the other under the mounting bracket? Looking out there on the Web there seems to be a big difference in what I have to pay for them. one sight is 12.00 and another is $25.
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Pablo&&\'88 V20 Step/\'07 140 Suzuki&&Viginia Beach&&
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#37
10-18-2006, 10:38 PM
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Re: trailers surge brakes
Are they all shot?? They rot away, if they are not rotted they are fine.
The U shaped one was broke in half before I replaced!
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1986 V20 Old Fishermen never die, we just SMELL that way!!
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#38
10-18-2006, 10:46 PM
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Re: trailers surge brakes
No they don't look that bad. Don't really know if they need replacing but if they are only 12$ each then what the heck. plus the comment was made that maybe my lower unit looked a little rough due to zincs (bad)?
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Pablo&&\'88 V20 Step/\'07 140 Suzuki&&Viginia Beach&&
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#39
10-18-2006, 11:30 PM
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Re: trailers surge brakes
they not bad if not rotted!!
If anything the wire to the lower unit might not be working?? It need to connect to make the zinc work!
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1986 V20 Old Fishermen never die, we just SMELL that way!!
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#40
10-19-2006, 11:00 AM
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Re: trailers surge brakes
Quote:
I think, while zincs HELP, they do not STOP corrosion....previous owner musta just left motor down all the time while in the salt...
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'74 V-20/ BF 150 '95 V-21/ BF 150 '84 V-20/ 200 2.4 Merc '87 V-20/'18 F150 Yamaha 
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