CapeDory28.info

Mechanical - MS4 Failure-Solved

tomkiely - Sep 03, 2017 - 08:20 PM
Post subject: MS4 Failure-Solved
Yesterday I had the unfortunate experience of having my transmission lock in reverse as I was backing off my mooring. Damaged a brand new 50' Hinckley power as the engine kill switch decided to stop working at the same time. I looked at other postings about repairing the MS-4 and other replacements, but most of the info. was 5+ years old. I'm wondering if anyone has dealt with this issue in the last few years; and, if so, what are the current costs and other issues?
MacDuff - Sep 04, 2017 - 03:13 PM
Post subject: RE: MS-4 Failure
Sorry to hear this. Unfortunately I have no experience with the MS-4. Hopefully you'll get somebody who has, to read your post. It's a shame this site isn't used more.
Seahorse - Sep 05, 2017 - 07:25 PM
Post subject: RE: MS-4 Failure
Hi Tom,

Sorry to hear about the transmission failure. Ive have the MS4A as well and I read many posts about them. It seems its difficult to find anyone to repair them and when you do, its expensive. There is a marine transmission shop in Topsfield MA that may be worth a try. Atlantis Transmission.. Another option would be to find a working take out w/ same gear ratio. Theres one on ebay now with the right gear ratio for $4,500. I'm not sure there is any alternative tranny that will mate to the TAMD41 and fit our hulls. Ive read the HS is a no-go.

Did your transmission give any warning signs? Leaks, noise, vibration? Did you check fluid? I check mine almost every trip just looking for discoloration, loss of fluid.. I change it annually too.

Please keep us posted.
tomkiely - Sep 06, 2017 - 01:10 PM
Post subject:
Seahorse - Thanks for your reply. There was no warning or strange noises, it just could not be moved out of reverse with the shift control. Once in neutral, it would shift into reverse but not forward. I keep a regular watch on the fluid - no obvious issues. Some years I change it twice if the hours warrant, but a minimum of once at winter lay-up.

A friend of mine told me about Atlantic, and I've had a number of other recommendations, so I'll be following up. I will pass along any worthwhile info. when it develops.

Tom
tomkiely - Sep 07, 2017 - 05:35 PM
Post subject:
MS4 problem solved - Shift linkage the issue, not the tranny.
MacDuff - Sep 08, 2017 - 07:49 PM
Post subject:
That's gotta be a relief!
tomkiely - Sep 09, 2017 - 10:40 AM
Post subject:
Big time.
Seahorse - Sep 09, 2017 - 12:45 PM
Post subject:
Good news MacDuff!
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