Forum: Cooling System
09-29-2022, 02:34 PM
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Replies: 5
Views: 1,063
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Forum: Cooling System
09-28-2022, 07:45 PM
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Replies: 5
Views: 1,063
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Forum: Cooling System
09-28-2022, 06:07 PM
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Replies: 5
Views: 1,063
Help ID this pump plz
Hi team,
Can you help me ID this pump?
The seals gave way which led to water passthru. Visually it looks like all the MMI flange pump pix I've seen but I'm no expert. The markings/stampings are...
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Forum: Overhaul
09-27-2022, 04:58 PM
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Replies: 0
Views: 553
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Forum: Troubleshooting
05-10-2021, 12:23 PM
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Replies: 21
Views: 3,089
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Forum: Troubleshooting
05-10-2021, 12:41 AM
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Replies: 21
Views: 3,089
Question 1: is the water incursion preceded by...
Question 1: is the water incursion preceded by sailing, particularly hard on port tack?
No, just in my marina slip. Went from clean oil to milk in my slip.
Question 2: Is the anti-siphon fitted...
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Forum: Troubleshooting
05-09-2021, 08:15 PM
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Replies: 21
Views: 3,089
Okay I’m back at the boat and ran a couple...
Okay I’m back at the boat and ran a couple pressure tests:
Exhaust manifold: 30psi for 1 hr = no drop; plugged one hose barb and pressurized the other.
Engine block and pump: 30psi for 1 hr =...
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Forum: Troubleshooting
05-01-2021, 12:20 PM
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Replies: 21
Views: 3,089
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Forum: Troubleshooting
05-01-2021, 02:49 AM
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Replies: 21
Views: 3,089
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Forum: Troubleshooting
04-30-2021, 03:02 PM
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Replies: 6
Views: 1,697
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Forum: Troubleshooting
04-30-2021, 10:36 AM
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Replies: 21
Views: 3,089
Yes, I love that cover! So convenient for quick...
Yes, I love that cover! So convenient for quick checks.
So can I assume that is an MMI pump as well? Or can it be another brand? I'm trying to compare it to pump pictures online but without a logo...
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Forum: Troubleshooting
04-29-2021, 09:43 PM
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Replies: 21
Views: 3,089
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Forum: Troubleshooting
04-29-2021, 09:35 PM
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Replies: 21
Views: 3,089
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Forum: Troubleshooting
04-29-2021, 07:35 PM
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Replies: 21
Views: 3,089
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Forum: Troubleshooting
04-29-2021, 07:01 PM
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Replies: 21
Views: 3,089
Water in Oil
Well I've been chasing this water in the oil gremlin for a bit. Mainly because it seems to come and go. I drain/flush/refill, and it stays clean for a few outings, then, like today for example, I've...
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Forum: Troubleshooting
04-29-2021, 06:14 PM
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Replies: 6
Views: 1,697
Yessir, raw water cooling in salt water. I...
Yessir, raw water cooling in salt water. I haven't run the boat in 8 months and I thought I did a 5gal fresh water flush before I left (I usually do when I know I'll be gone more than a month). But...
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Forum: Troubleshooting
04-29-2021, 04:31 PM
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Replies: 6
Views: 1,697
White furry corrosion
Hi team,
Looking to learn what this furry, white, powdery corrosion is on various parts of my Atomic 4. I'm guessing it's, well, I don't know! I searched for "white" and "corrosion" and didn't find...
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Forum: Cooling System
06-28-2017, 02:40 PM
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Replies: 0
Views: 1,379
Local sourcing for Impeller
Hi team,
I am trying to find an impeller for my MMI 502, and I'd love to find it locally. When I walked into 2 local marine supply shops, they looked at me a little sideways but made the effort to...
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Forum: Cooling System
06-28-2017, 01:13 AM
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Replies: 6
Views: 2,398
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Forum: Cooling System
06-27-2017, 11:57 AM
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Replies: 6
Views: 2,398
Firstly, I'm very sorry for the poorly...
Firstly, I'm very sorry for the poorly worded/formed post... that's what I get for sleep-typing that late! ;)
The "restrictor" looks to be a pipe thread nipple that's been drilled out to form a...
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Forum: Cooling System
06-27-2017, 02:39 AM
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Replies: 6
Views: 2,398
Water intake restrictor
Hi team,
First time Atomic 4 owner with a few questions.
I pulled my water pump (think it's an MMI 502) and now I'd like to know what I'm seeing.
1) are the charaters cast into the body a date...
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