`73 evinrude 50hp lower unit compatibility

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elpayin

Cadet
Joined
Apr 17, 2006
Messages
13
hi,
i just bought a evinrude lark 1973 50hp outboard (model 50373 R) and i wonder if the lower unit
will fit an evinrude 1981 50hp long shaft (20") electric start,mechanical shift.
also, any ideas where to find the specs for this model- the `73 evinrude lark model 50373 R - any links or something?
thanks.
 
F

FillupD

Petty Officer 1st Class
Joined
Jul 5, 2007
Messages
261
Re: `73 evinrude 50hp lower unit compatibility

Make sure the LU shift the same. The 73 lark will be in reverse when the shift rod is up. The 76 55 hp, for example has the shift rod down when in reverse.
Watch out for LU that shift backwards from your control box and motor setup.
 
E

elpayin

Cadet
Joined
Apr 17, 2006
Messages
13
Re: `73 evinrude 50hp lower unit compatibility

thank you fillupd i`ll check that out but, if the lu don`t shift the same, is there something you can do to fix that or you just get another lu?
thanks
 
F

FillupD

Petty Officer 1st Class
Joined
Jul 5, 2007
Messages
261
Re: `73 evinrude 50hp lower unit compatibility

Get the correct one.
 
tashasdaddy

tashasdaddy

Honorary Moderator Emeritus
Joined
Nov 11, 2005
Messages
51,019
Re: `73 evinrude 50hp lower unit compatibility

you have to change the complete shift linkage from the donor motor to the survivor. not and easy job.
 
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