Alpha 1 water pump identification

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Olds Eddie

Petty Officer 2nd Class
Joined
Jan 30, 2005
Messages
194
I told a friend I would replace the water pump in his gen. 1 alpha. I see that there are differences between the pre-load pin and non-preload Gen. 1's. His is an '87 with original outdrive. Is there any way to tell which one he has other than taking it apart? I don't have room in the drive for another boat so I want to have the parts here ahead of time and since it has never been replaced I would want to get the full kit.
 
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Haut Medoc

Haut Medoc

Supreme Mariner
Joined
Jun 29, 2004
Messages
10,645
Re: Alpha 1 water pump identification


If it is truly an '87, it wont have a preload pin.....
Those were much earlier......;)​
 
stevieray

stevieray

Lieutenant Junior Grade
Joined
Jul 18, 2006
Messages
1,135
Re: Alpha 1 water pump identification

If I can remember right, Merc has 2 kits, an upper housing kit & a base kit. Aftermarket ones may have all the parts in one kit. There are extra gaskets in the kits - make sure you note which ones are there when you disassemble & only replace the ones that were there. Have fun!
 
O

Olds Eddie

Petty Officer 2nd Class
Joined
Jan 30, 2005
Messages
194
Re: Alpha 1 water pump identification

I'm sure it is an '87 as my dad owned it before him. It is a 'hanger queen' and that's how it has gone this long on original impellor. He told me it is getting warm while idling and when I asked him how long since he had the impellor changed he said never. Thanks for the help!
 
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