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Old 11-21-2010, 08:35 AM
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Default More fun corrosion pictures Honda BF225

In addition to my corrosion issue up on my block, I've found this. It was not visible until we took off the cowling.

2002 BF 225 W/ 600 hours.

How do you fix this?
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Old 11-21-2010, 08:39 AM
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Old 11-21-2010, 10:51 AM
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Was the boat stored in the water?
Was it subject to electrolysis?

My 2004 BF225 has about 430 hrs. Those parts on it look as good now as they did in 2004. I do store the boat on a lift and I flush and wash down the motor with fresh water after each use.
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Old 11-21-2010, 01:26 PM
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Wow. Would also like to know about storage of boat and rinse down routine.
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Old 11-21-2010, 02:36 PM
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Not to offend anyone, but judging by the absence of grease on the swivel bracket, steering arm and zerk fitting, this motor has not been properly maintained.
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Old 11-21-2010, 02:40 PM
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Anodes changed properly, maint. schedule? Flushing? Location? A Honda outboard isn't a civic, you can't just drive it and forget about it.
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Old 11-21-2010, 02:44 PM
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Quote:
Originally Posted by other line View Post
In addition to my corrosion issue up on my block, I've found this. It was not visible until we took off the cowling.

2002 BF 225 W/ 600 hours.

How do you fix this?

Buy a new motor??
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Old 11-21-2010, 02:54 PM
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I ain't no expert, but that looks like a serious case of electrolysis. It could be a rigging problem and the engine is hot. Wow...

I have six year old BF225, and it don't look like that.
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Old 11-21-2010, 03:13 PM
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Mines a 2003 Honda 225 with almost 4000 hrs and it looks not like that anywhere, and i've had the cowl, t-stats ect off. And all saltwater use. Do you tilt your motor up when not in use? I flush mine about twice a season.
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Old 11-21-2010, 03:33 PM
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Old 11-21-2010, 03:42 PM
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Quote:
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Anodes changed properly, maint. schedule? Flushing? Location? A Honda outboard isn't a civic, you can't just drive it and forget about it.
Honda Civic my azz. This is my son's 2006 Civic with 40000 miles on it. I know he doesn't take care of it like he should but I think Honda has a problem with some of their paint or Clear Coat.
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Old 11-21-2010, 06:26 PM
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Stored mostly on a trailer- it sits in the water for 8-10 days max. I flush it frequently but not every time I use it. It's due for a grease and zinc replacement. I don't treat it any different than any of the other outboards I've had over the last 35 years, but I've never had one corrode away like this. I've followed the Owner's Manual Maint schedule.
I just fixed the top-end corrosion issue with Marine Tex-but this looks like a bigger problem.
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Old 11-21-2010, 07:04 PM
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to start, you should wire brush that mess off of there. use the proper wire brush, if it is stainless, use a stainless brush, or brass if its aluminum or steel if it is steel. then get the proper primer and some outboard paint. im not sure how you can add material back to that other than welding more back onto it. definitely scrape and brush that junk off and anywhere else you see on it.
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Old 11-21-2010, 09:02 PM
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Quote:
Originally Posted by other line View Post
In addition to my corrosion issue up on my block, I've found this. It was not visible until we took off the cowling.

2002 BF 225 W/ 600 hours.

How do you fix this?
I'm not sure of the structural requirements of that part of the housing ( you should contact a Honda mechanic ) but without a complete inspection you don't know the extent of the damage and I'd have trouble having confidence in an outboard with that type of corrosion.


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to start, you should wire brush that mess off of there. use the proper wire brush, if it is stainless, use a stainless brush, or brass if its aluminum or steel if it is steel. then get the proper primer and some outboard paint. im not sure how you can add material back to that other than welding more back onto it. definitely scrape and brush that junk off and anywhere else you see on it.
Brass and aluminum were not compatible, all of the aluminum welders that I know use a stainless steel brush...
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Old 11-22-2010, 05:16 PM
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Guys,

Here's a link to another happy Honda owner with the same problem:

http://www.marineengine.com/boat-for...o-you-fix-this

This is a "inside-out deal" it's corroding away from the inside.

As far as anodes-my Owner's Manual doesn't refer to any internal anodes-So how am I supposted to know to change them?

It looks like the water collects in that spot once you raise the motor after use-and if it's got some salt water in there it starts to corrode.

I've done what the owner's manual says and now I'm SOL with the best fishing of the year starting any day now.

The motor has run as good as any motor I've owned-but this cancer looks like it's terminal-any ideas?
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Old 11-22-2010, 05:23 PM
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All three hondas i have owned have terrible rust issues. My buddy's 130's are rusted like crazy. His boat is actually kept inside and rinsed completely and ran in fresh water as well as mine after every use. If honda wasnt so dam reliable i wouldn't buy another one.
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Old 11-22-2010, 06:58 PM
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I bought the rig in '04-had 71 FL hours when I bought it. It's been fantastic as far as how it runs, but I do alot of 30-40 mile runs in the middle of winter and I'm losing my confidence in this motor. I've got a single engine rig. (below)

At least I found it on land before it let go- it's weeping some water out of it already
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Old 11-23-2010, 04:17 AM
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Quote:
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As far as anodes-my Owner's Manual doesn't refer to any internal anodes-So how am I supposted to know to change them?
Owner's manual doesn't talk about a lot of things... but they are there.
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Old 11-23-2010, 04:31 AM
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What are the details on the internal anodes, where are they located and how often do you replace them?
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Old 11-23-2010, 04:58 AM
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Quote:
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What are the details on the internal anodes, where are they located and how often do you replace them?
The anodes are in the exhaust manifold. My Honda 150 has two in there. I assume the 200 and 225 have two exhaust manifolds with multiple anodes in each. The 150 has small covers that you remove to access the anodes. Not sure about the V6 motors.

I've run my 2005 150 since '04 and it doesn't have corrosion issues like that. No rust or crumbly aluminum(I check after each use). I fush and rinse after each use in saltwater(as recommended by the manual). Everything under the cowl gets sprayed down with CorrosionX a couple times a year. My motor has 500 hours on it and I don't have corrosion issues like the OP. Sorry, but that looks like a combination between electrolysis problems and possibly a lack of maintenance.

Other Line, good luck fixing your motor.
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