Will 93 115hp lower unit work for 88 90hp?

JasonAych

Petty Officer 1st Class
Joined
Aug 10, 2008
Messages
274
Will a 1993 115hp lower unit work for a 1988 90hp? Will it just swap out? I need to know ASAP. Thanks in advance!!
 

junior1113

Senior Chief Petty Officer
Joined
Jan 29, 2009
Messages
763
Re: Will 93 115hp lower unit work for 88 90hp?

yes only if drive shaft is same length shift shaft may have to be adjusted
 

JasonAych

Petty Officer 1st Class
Joined
Aug 10, 2008
Messages
274
Re: Will 93 115hp lower unit work for 88 90hp?

Thanks! Can the drive shaft be swapped fairly easy? Says it was from a 20" transom. What can I measure on mine. It is not apart.
 

TLL

Petty Officer 3rd Class
Joined
Mar 4, 2004
Messages
92
Re: Will 93 115hp lower unit work for 88 90hp?

Is the 115 hp a 90 deg or a 60 deg block design? Your 88 90 hp is a 90 deg block design, I would expect that a 90 deg 115 to fit, but a 60 deg 115 likely has a different length drive shaft and shift shaft.
 
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