1974 Mercruiser 140H.P. - Impeller Replacement

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UGS

Cadet
Joined
Jul 15, 2003
Messages
17
I am new to this forum and find it quite useful. I am reading alot about impleller replacement and get the imporatnce. I have ordered a service manual for my engine and expect this to help. Can anyone tell me the basic procedure and level of difficulty to change the impeller on my unit??<br /><br />Thanks in advance.
 
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dixieguy

Cadet
Joined
Jul 5, 2003
Messages
9
Re: 1974 Mercruiser 140H.P. - Impeller Replacement

I have replaced the impeller in my sterndrive for each of the 2 seasons I have had my boat<br />86 140 hp merc with alpha stern drive.<br />Th book is a major help!! i suggest you buy the waterpump kit for about $40 vs just the impeller.<br />it contains all the gaskets and plates then you put in whats worn. 1st time took me 3hrs alone second time took me 1 1/2 hrs. no special tools are needed.<br />you will need to drain and rplace the oil in the lower unit. and need the pump if you dont have acess to one. its a hand type and takes a few mins per quart to refill.<br />good luck
 
U

UGS

Cadet
Joined
Jul 15, 2003
Messages
17
Re: 1974 Mercruiser 140H.P. - Impeller Replacement

Thanks for the quick response. I'll do that, I have the hand pump already. :)
 
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