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Old 10-26-2015, 05:54 PM
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Old 10-26-2015, 06:00 PM
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Did all the work myself in one weeks time. Would've been faster but had to wait for parts..
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Old 10-26-2015, 06:05 PM
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Running like a champ these days
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Old 10-26-2015, 06:20 PM
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35+ miles off Mexico Beach in a 25 foot boat in 5 foot waves one fuel pump died and the other engine wouldn't run above 2000 rpms. Found out why when we pulled the boat back to GA. The attached picture is what we saw when we took the head off. I stuck my finger in the hole and the whole piston came right out. Would've just replaced the piston in that 97 225 Offshore Merc fuel injected but the rod snapped and tore up the inside of the crankcase. Trying to find those pictures now. I've still got the piston laying around somewhere too.
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Old 10-26-2015, 09:27 PM
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454 Mercruiser. What knocking sound ? Shortly after oil line burst.
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Old 10-27-2015, 11:10 AM
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Watched one of my team's Late model stock cars spin and back into the wall

Me (crew chief) "Driver, you ok?"
Driver "Yep, I'm good"
Me "What happened"
Driver "Motor Broke."
Me "How do you know?"
Driver "Watching a wrist pin roll down the race track"
Me "Copy"

I'll find the pics. It was an energetic disassembly to say the least.
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Old 10-27-2015, 11:50 AM
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Originally Posted by SlipperyWhenWet View Post
$25.00 oil pump seal failure allowed the motor to suck in saltwater. Good thing we were only 60+ miles offshore
Looks like you're sitting a little stern heavy from the pic.
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Old 10-28-2015, 03:49 PM
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Awesome thread! Being a wrench turner I love this stuff.

Fortunately....(knocking on wood now) I have nothing to contribute and haven't for the last 10 years. But I have torn into a couple of my old outboards back in the day that would have made for good conversation. I wish I would have taken some pictures. The pitted piston tops are common. I put a connecting rod through the block of an old Evinrude Ocean Pro too.
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Old 10-28-2015, 03:51 PM
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Originally Posted by bennythomson View Post
Ever find out the cause of that knocking sound? Post it here!
That lower unit is awesome!
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Old 10-28-2015, 05:39 PM
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Originally Posted by ScarabChris View Post
That lower unit is awesome!
That would be a great conversation piece as long as I don't have to say I'm the one that made it LoL
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Old 10-29-2015, 05:25 AM
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Anybody need a lower unit for a Honda BF 150 with a 5" midsection?

We hit what we believe was a piece of a dock / piling / whaler the other night. After a new lower unit and a new mid section housing, we should be back in the game this weekend.
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Old 10-29-2015, 08:45 AM
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Originally Posted by HarleyFLHP View Post
Looks like you're sitting a little stern heavy from the pic.
It does look that way. A lot of weight is in the back of the boat. Two motors, bracket, three batteries, fuel tank, water tank, two huge live wells. The picture you're referring to is coming in with the waves. That platform usually is well above the water line. It looks worse in that pic than it really is.

Here she is sitting with a full fuel load.
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Old 10-29-2015, 05:26 PM
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2005 Mercury 200, blew up 500yds from the ramp

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Old 10-29-2015, 05:37 PM
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My pucker moment. I was 8 feet away.
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Old 10-29-2015, 06:50 PM
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^^^ Holy sh1t!
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Old 10-29-2015, 07:00 PM
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The D3512 had been running at 1/2 load (1225 hp) for about an hour. It started missing and I figured an injector connector must have worked itself loose. I had just finished checking the starboard bank and was on my way to check the port bank when it pitched the rod and piston out against the wall. It didn't even lose RPM. I had to shut it down or it would have run till it ran out of oil and seized up.
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Old 10-29-2015, 07:12 PM
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^^^^^ Aren't they about 6' tall? Looks like it would have taken your midsection out.

Be safe
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Old 10-29-2015, 08:44 PM
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Cruising to a tilefish spot, lost power on one engine and couldn't get it restarted. Decided to putt to our overnight spot and head in early the next morning....from 75 miles @ 8-9kts. Great, a long troll right? Not even a knockdown.

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Old 10-31-2015, 04:00 PM
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New 0:1 Gear Case
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Old 10-31-2015, 04:13 PM
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Originally Posted by bennythomson View Post


New 0:1 Gear Case
Looks like someone found a way to make less drag with the lower unit .
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