Will 1974 evinrude 40 hp power head fit 1973 evinrude 40 hp?

Jgndan

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Mar 3, 2014
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I've got a 1973 Evinrude 40 hp norseman. I have found a 1974 model 40 hp power head on ebay. Would I be able to use the 1974 model power head on the 73 model? Will all of my components like the starter and carburetor work on it? Thanks
 

boobie

Supreme Mariner
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Nov 5, 2009
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20,826
Re: Will 1974 evinrude 40 hp power head fit 1973 evinrude 40 hp?

Go to shop.evinrude.com, look up the motors and compare part numbers.
 

Bosunsmate

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Apr 7, 2012
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6,129
Re: Will 1974 evinrude 40 hp power head fit 1973 evinrude 40 hp?

Check the base plate gaskets are the same, if they arent dont bother going any further
 

boobie

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Re: Will 1974 evinrude 40 hp power head fit 1973 evinrude 40 hp?

Agree..........
 

racerone

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Dec 28, 2013
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36,047
Re: Will 1974 evinrude 40 hp power head fit 1973 evinrude 40 hp?

There were some changes made in the last few years of the 40 HP models.--------------Best to check things like the crankshaft / driveshaft splines.-----------Crank is a different # ----Driveshaft is a different # also the impeller is a different # .-----Which may indicate a different driveshaft diameter.
 
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