part swap question

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broncos_rule

Recruit
Joined
May 10, 2009
Messages
4
ive searched and didnt find what im looking for maybe used wrong words but would a 1964 60hp lower unit bolt onto a 1964 40hp both johnson motors my lower unit is froze and waiting on my manual to come in to finish getting it apart seeing its hanging now and cant figure out how to get it off the rest of the way im a total newb to boats
 
samo_ott

samo_ott

Vice Admiral
Joined
Jun 18, 2006
Messages
5,125
Re: part swap question

A froze lower unit might be as easy as a bearing... or as bad a total rust out... if they're both manual shift you might want to open up the LU on the frozen engine and see what's inside...
 
B

broncos_rule

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May 10, 2009
Messages
4
Re: part swap question

im hopeing its as simple as bearings like you and a friend mentioned just stuck getting lower unit off and manual is in the mail yet
 
C

crxess

Chief Petty Officer
Joined
Apr 30, 2009
Messages
559
Re: part swap question

I had this happen on a merc i/o lower I purchased used. It had been stored dry and seized.
I filled it with PB Blast and let it soak for 2 days. Freed it right up and still working great 2 years later.
 
B

broncos_rule

Recruit
Joined
May 10, 2009
Messages
4
Re: part swap question

i filled it with penatrating fluid instead of the oil but still want to get it apart to look at it i will know more when i get manual inhand so i can see what i have to do to finish removing it and get everything out that way i can give it a real good cleaning either way but if i have to replace it i have the option origonaly mentioned and the gears on ebay

http://cgi.ebay.com/ebaymotors/Evin...14&_trkparms=72:1205|66:2|65:12|39:1|240:1318

i just wanna wait on the manual to ensure i do things right concidering the price on the lower unit parts new if i cant find doner if needed
 
F

F_R

Supreme Mariner
Joined
Jul 7, 2006
Messages
28,195
Re: part swap question

The 60hp and 40hp are not the same. Not only are they different, the 40 came in electric and manual shift versions.
 
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