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1972 Ski Nautique Holman Moody raw water pump

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    Posted: October-09-2019 at 3:01pm
I am having a major problem locating a 1972 S.N. Holman Moody Windsor 351 raw water pump at a decent price all the pumps I have seen they are wanting $500.00 - $700.00 dollars. I also have checked into some pump rebuild kits & by the time labor is added in it will cost me almost as much as a new one. Plz help !
P.S. My boat hasn't been in the water in 3 yrs I am very discouraged.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote 8122pbrainard Quote  Post ReplyReply Direct Link To This Post Posted: October-09-2019 at 3:10pm
Steve,
Have you looked at alternate crank driven RWP's.


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Keep it original, Pete
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Gary S View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Gary S Quote  Post ReplyReply Direct Link To This Post Posted: October-09-2019 at 3:21pm
Is this the original Jabsco pump? What parts do you actually need to rebuild it ? These are simple pumps, is the shaft good? The body of the pump good ? Bearings are common, seal is available yet I’m sure, not much left. Cover you’d have to make out of brass sheet stock. Got any pictures of what your working with?
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Post Options Post Options   Thanks (0) Thanks(0)   Quote smiller Quote  Post ReplyReply Direct Link To This Post Posted: October-09-2019 at 3:47pm
I haven't looked at a crank driven I don't know the difference unfortunately I am not mechanically inclined. I am not sure the hose connections would work, what brand do you recommend ? I have some pics of my pump but as you can see I am a newby & I haven't figured this site out yet. I am trying to get her wet for the 3rd year and at 66 yrs young its going quick, any ideas would be Greatly appreciated.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote smiller Quote  Post ReplyReply Direct Link To This Post Posted: October-09-2019 at 3:58pm
Plz bare with me I am a newby & I am trying to address the reply's yes its a jabsco pump, The shaft is bad for sure the body is good, bearings locked up (bought new ones), bought a new seal, I have some pics but I need help in sending them any ideas ? Thx for the hope !
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Gary S Quote  Post ReplyReply Direct Link To This Post Posted: October-09-2019 at 4:11pm
Never mind I was too slow in asking.
Mine needed a new shaft as well but it was many years ago and parts for the most part were still available. For the money your talking for a new pump that wont fit with out alot of work couldn't you just have a machine shop make you a new one?
Pete what is evolved cutting splines on a shaft,that looks to be the most difficult part of the job.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote 8122pbrainard Quote  Post ReplyReply Direct Link To This Post Posted: October-09-2019 at 9:50pm
Originally posted by Gary S Gary S wrote:

couldn't you just have a machine shop make you a new one?
Pete what is evolved cutting splines on a shaft,that looks to be the most difficult part of the job.

Agree on having a shop make a new shaft. Splines should be easy as long as the shop has a dividing head and the cutter.

Now, another idea. How bad is the shaft? If just scored, then Loctite bearing retainer 680 works wonders. If I remember correctly, the stuff can handle .015 gaps.


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Post Options Post Options   Thanks (0) Thanks(0)   Quote Gary S Quote  Post ReplyReply Direct Link To This Post Posted: October-09-2019 at 11:17pm
My shaft was torn up pretty bad. Since one was available I grabbed it. The seal area was bad and even the area where the aluminum drive dog was worn along with the drive dog itself. I took the pump and it's drive dog along with a Lovejoy coupler to a machine shop and they fixed me right up. Covers are impossible to find but one could easily made.



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Post Options Post Options   Thanks (0) Thanks(0)   Quote smiller Quote  Post ReplyReply Direct Link To This Post Posted: October-10-2019 at 4:19pm
does anyone know how many parts there are to a 72 S.N. Holman Moody raw water pump?
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Gary S Quote  Post ReplyReply Direct Link To This Post Posted: October-10-2019 at 4:30pm
I do have a parts schematic from Jabsco . I’ll scan and post later after “work”
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Gary S Quote  Post ReplyReply Direct Link To This Post Posted: October-10-2019 at 10:26pm


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Post Options Post Options   Thanks (0) Thanks(0)   Quote 8122pbrainard Quote  Post ReplyReply Direct Link To This Post Posted: October-11-2019 at 1:41pm
Originally posted by smiller smiller wrote:

does anyone know how many parts there are to a 72 S.N. Holman Moody raw water pump?

Steve,
Do you think you're missing some parts?


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