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trying to identify sterndrive leg from serial no. on drive..

 
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burgs

External


Since: Mar 30, 2005
Posts: 2



(Msg. 1) Posted: Tue Apr 19, 2005 10:55 am
Post subject: trying to identify sterndrive leg from serial no. on drive s
Archived from groups: rec>boats (more info?)

I have a leg off the back of a mercruiser 470 motor and the only serial
number I have been able to find (so far) is 5931945 with a large "4" about
an inch to the right and up about an inch higher than the serial number off
the drive unit. This number does not seem to come up on Alpha one serial
numbers that I can find, and a manual lists it as a 470R sterndrive. I am
now toatlly confused between Alpha one, 470 R and model 1 drives Is this
the same as an alpha one drive? The reason I ask is because I have the
opportunity to replace my 470 motor with a motor set up for an Alpha one
drive but now I'm not sure that I have an Alpha one. The drive seems to meet
the description for an early of model 1 alpha drive, but now I just don't
know!!

Where would I find other nos. on either the lower gearbox unit or maybe
gimal housing to check out this unit? The Bell housing unit seems to look
like the diagrams for the later model 1 due to the round shaped rubber ring.

Any help would be appreciated.

KenW

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John H

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Since: Feb 05, 2005
Posts: 437



(Msg. 2) Posted: Tue Apr 19, 2005 3:22 pm
Post subject: Re: trying to identify sterndrive leg from serial no. on dri [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

On Tue, 19 Apr 2005 14:07:10 GMT, "burgs" <burgs.TakeThisOut@bigpond.com> wrote:

 >I have a leg off the back of a mercruiser 470 motor and the only serial
 >number I have been able to find (so far) is 5931945 with a large "4" about
 >an inch to the right and up about an inch higher than the serial number off
 >the drive unit. This number does not seem to come up on Alpha one serial
 >numbers that I can find, and a manual lists it as a 470R sterndrive. I am
 >now toatlly confused between Alpha one, 470 R and model 1 drives Is this
 >the same as an alpha one drive? The reason I ask is because I have the
 >opportunity to replace my 470 motor with a motor set up for an Alpha one
 >drive but now I'm not sure that I have an Alpha one. The drive seems to meet
 >the description for an early of model 1 alpha drive, but now I just don't
 >know!!
 >
 >Where would I find other nos. on either the lower gearbox unit or maybe
 >gimal housing to check out this unit? The Bell housing unit seems to look
 >like the diagrams for the later model 1 due to the round shaped rubber ring.
 >
 >Any help would be appreciated.
 >
 >KenW
 >

Go here:
<a style='text-decoration: underline;' href="http://www.mercurypartsexpress.com/PartsExpress/HomePage/homepage.asp?CID=169164186073229062274" target="_blank">http://www.mercurypartsexpress.com/PartsExpress/HomePage/homepage.asp?...=169164</a>

Try your serial number and see what you get. Good luck.

--
John H

"All decisions are the result of binary thinking."<!-- ~MESSAGE_AFTER~ -->

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JIMinFL

External


Since: Mar 11, 2005
Posts: 4



(Msg. 3) Posted: Tue Apr 19, 2005 7:55 pm
Post subject: Re: trying to identify sterndrive leg from serial no. on dri [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

They started changing from the 1 drive to the alpha 1 in 1984/1985 time
frame. It's hard to say what you have without splitting the gear cases. The
non alpha drives had a pin sticking out of the top of the vertical
driveshaft.
JIMinFL

"burgs" <burgs.RemoveThis@bigpond.com> wrote in message
news:ig89e.16888$5F3.15782@news-server.bigpond.net.au...
 >I have a leg off the back of a mercruiser 470 motor and the only serial
 > number I have been able to find (so far) is 5931945 with a large "4" about
 > an inch to the right and up about an inch higher than the serial number
 > off
 > the drive unit. This number does not seem to come up on Alpha one serial
 > numbers that I can find, and a manual lists it as a 470R sterndrive. I am
 > now toatlly confused between Alpha one, 470 R and model 1 drives Is this
 > the same as an alpha one drive? The reason I ask is because I have the
 > opportunity to replace my 470 motor with a motor set up for an Alpha one
 > drive but now I'm not sure that I have an Alpha one. The drive seems to
 > meet
 > the description for an early of model 1 alpha drive, but now I just don't
 > know!!
 >
 > Where would I find other nos. on either the lower gearbox unit or maybe
 > gimal housing to check out this unit? The Bell housing unit seems to look
 > like the diagrams for the later model 1 due to the round shaped rubber
 > ring.
 >
 > Any help would be appreciated.
 >
 > KenW
 >
 ><!-- ~MESSAGE_AFTER~ -->
 >> Stay informed about: trying to identify sterndrive leg from serial no. on drive.. 
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