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#5586744 - 02/06/15 03:40 PM any of you duck people
wal1809 Offline
THF Celebrity

Registered: 08/26/05
Posts: 11262
Loc: Texas
is there any of you duck people on here that would sonsider him/herself a bad arse when it comes to Mercury outboards. Here is me problem. I have a 1999 60HP Mercury Bigfoot 2 stroke engine. The lower unit was no good and in pieces when I got it. It has a vertical shaft with male slines at the top of the shaft where it couples to the power head in a female slined coupler. I would say the top 6 inches of that shaft have been turned down to 5/8 diameter prior to the slines being cut. The rest of the shaft is 7/8s roughly.

I got a new to me but used lower unit from a 4 stroke. There is a 14 day return policy. I didn't realize until yesterday the vertical shaft on it was not turned down to 5/8s. It is straight 7/8s to the end with the splines cut in it.

My question is can I just change shafts? The pinion gear at the bottom on both has 43 44484 part numbers. There is some other numbers but both have that specific number. I am thinking I can just break down the lower unit, exchange the shafts and rock on.

Anyone in here a Mercury wizbang?
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#5586757 - 02/06/15 03:48 PM Re: any of you duck people [Re: wal1809]
LarryCopper Online   content
Extreme Tracker

Registered: 11/16/07
Posts: 4324
Loc: The Great State
Gonna send ya a PM...
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#5586894 - 02/06/15 05:35 PM Re: any of you duck people [Re: LarryCopper]
Hopedale Online   content
THF Trophy Hunter

Registered: 09/12/07
Posts: 6087
Loc: Central Texas
Originally Posted By: LarryCopper
Gonna send ya a PM...


Well dang. The rest of us would like to know.
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#5586896 - 02/06/15 05:38 PM Re: any of you duck people [Re: Hopedale]
LarryCopper Online   content
Extreme Tracker

Registered: 11/16/07
Posts: 4324
Loc: The Great State
Originally Posted By: Hopedale
Originally Posted By: LarryCopper
Gonna send ya a PM...


Well dang. The rest of us would like to know.

Ha, I don't know a dang thing. I just know somebody that does so I gave him some contact info...
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#5587024 - 02/06/15 06:54 PM Re: any of you duck people [Re: wal1809]
aerangis Offline
Tracker

Registered: 09/05/08
Posts: 909
Loc: Nunya
My goodness fella, another project?

Wal has more hobbys and projects than anyone I know.
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#5587475 - 02/07/15 06:12 AM Re: any of you duck people [Re: wal1809]
wal1809 Offline
THF Celebrity

Registered: 08/26/05
Posts: 11262
Loc: Texas
Larrycopper I called him. He did not know the answer. So when I got home I just said screw it and took the new lower unit all the way to a shell. As my wonderful luck would have it, they are interchangeable, wahooo!!! The only difference between the 4 stroke and 2 stroke is the last upper 4 inches of shaft. I didnt figure they would use the same casing and re- engineer the guts.

Had I not got called out last night I would have bad the whole thing back together and installed on the upper unit.


Edited by wal1809 (02/07/15 06:14 AM)
_________________________
www.snakebreaker.com

www.wanoscustomcalls.com

Ruffling Feathers Guide Service

UTHFDHGTG Port O'Conner, Texas Dec. 9 Hunt 10,11
lodging 361 983 4371




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#5587536 - 02/07/15 07:33 AM Re: any of you duck people [Re: LarryCopper]
Guy Offline
THF Celebrity

Registered: 12/06/05
Posts: 27941
Loc: Lake X
Originally Posted By: LarryCopper
Originally Posted By: Hopedale
Originally Posted By: LarryCopper
Gonna send ya a PM...


Well dang. The rest of us would like to know.

Ha, I don't know a dang thing. I just know somebody that does so I gave him some contact info...

lol, I was gonna be extremely impressed if LC knew that one. grin

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#5588344 - 02/07/15 07:22 PM Re: any of you duck people [Re: wal1809]
wal1809 Offline
THF Celebrity

Registered: 08/26/05
Posts: 11262
Loc: Texas
Alright well we all know the answer now. They are interchangeable. It took about 20 minutes to put it all back together. I am shocked, it works.
_________________________
www.snakebreaker.com

www.wanoscustomcalls.com

Ruffling Feathers Guide Service

UTHFDHGTG Port O'Conner, Texas Dec. 9 Hunt 10,11
lodging 361 983 4371




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