Forum: Cooling System
08-02-2021, 11:18 PM
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Replies: 2
Views: 1,641
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Forum: Cooling System
08-01-2021, 09:49 PM
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Replies: 2
Views: 1,641
Raw water pump priming problem?
Today I replaced the raw water impeller on my MMI raw water pump which has run like a champ for 13 years now. The impeller was swollen, as it had been in use for a few years. After the replacement,...
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Forum: Troubleshooting
10-27-2020, 07:45 PM
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Replies: 3
Views: 886
Variable oil pressure...
Ahoy all... MY engine has about 15 hours on it since the last oil change. Until recently, the oil pressure registered right around 45 psi at start, and then slowly ticked down to around 30 psi after...
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Forum: General Maintenance
04-12-2020, 03:17 PM
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Replies: 3
Views: 1,583
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Forum: General Maintenance
04-12-2020, 03:11 PM
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Replies: 3
Views: 1,583
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Forum: General Maintenance
04-11-2020, 10:53 PM
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Replies: 3
Views: 1,583
Blown head gasket -- possibly...
Howdy all:
Cruising out of the slip this afternoon and five minutes down the bayou I heard a strange ticking from the engine. Went below while the engine running under load and isolated the sound to...
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Forum: General Interest
12-21-2019, 11:03 AM
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Replies: 13
Views: 4,165
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Forum: Ignition System
05-11-2019, 10:04 PM
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Replies: 17
Views: 5,137
Finally reporting back on my "lack o' spark"...
Finally reporting back on my "lack o' spark" situation. As you may recall from the above posts, I established normal voltage to the coil, but a very weak spark from the coil and no spark at the...
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Forum: Ignition System
04-28-2019, 01:37 PM
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Replies: 17
Views: 5,137
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Forum: Ignition System
04-28-2019, 11:50 AM
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Replies: 17
Views: 5,137
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Forum: Ignition System
04-28-2019, 11:34 AM
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Replies: 17
Views: 5,137
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Forum: Ignition System
04-28-2019, 10:50 AM
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Replies: 17
Views: 5,137
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Forum: Ignition System
04-28-2019, 10:18 AM
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Replies: 17
Views: 5,137
No spark...
Ahoy,
Had a shutdown while underway last weekend. Sailed back to the slip without incident... Anyway, here's what I know.
I had been running the engine for an hour before a two-hour sail. I...
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Forum: Electrical
03-26-2019, 09:07 AM
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Replies: 20
Views: 6,652
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Forum: Reversing Gear
01-21-2019, 11:21 PM
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Replies: 10
Views: 4,317
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Forum: Cooling System
01-20-2019, 08:59 AM
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Replies: 12
Views: 3,417
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Forum: Cooling System
01-19-2019, 05:07 PM
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Replies: 12
Views: 3,417
I think so but can't say for sure, Bill. I...
I think so but can't say for sure, Bill. I believe they were spares that came with the pump when I received it back in 2008 or 2009. This means they've been sitting in a hot boat in Florida for ten...
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Forum: Cooling System
01-19-2019, 03:41 PM
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Replies: 12
Views: 3,417
Thanks for the replies...
While mucking...
Thanks for the replies...
While mucking around under the nav station, I found a second box with MMI parts in it -- along with an o-ring gasket that fit. Lo-and-behold, it all went together in...
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Forum: Cooling System
01-19-2019, 08:30 AM
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Replies: 12
Views: 3,417
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Forum: Cooling System
01-18-2019, 05:26 PM
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Replies: 12
Views: 3,417
raw water pump o-ring
Ahoy! I replaced the impeller on my MMI raw water pump which has brass quick release thumb screws. Somehow in the process I lost the o-ring -- only to find two spares in the MMI packaging box. ...
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Forum: General Maintenance
01-15-2019, 10:25 AM
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Replies: 9
Views: 5,994
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Forum: General Maintenance
01-14-2019, 06:17 PM
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Replies: 9
Views: 5,994
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Forum: General Maintenance
01-14-2019, 09:04 AM
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Replies: 9
Views: 5,994
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Forum: General Maintenance
01-10-2019, 10:45 PM
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Replies: 9
Views: 5,994
Thanks, gentlemen.
I searched the MMI site...
Thanks, gentlemen.
I searched the MMI site on the topic and found Neil's post with the Wholesale Marine link. My Catalina 30 cockpit shift should accept a 6400 series cc643 series cable... They...
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Forum: General Maintenance
01-10-2019, 03:31 PM
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Replies: 9
Views: 5,994
Lubricating transmission cable
Shifting into forward, back to neutral, into reverse and back to neutral has always been a bear on my boat. I don't know if this is unique to my old-style arrangement with the throttle and shift at...
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