Help! 90 hp mariner lower unit compatibilty. I

[swordshark22]

Hi there, have spent entire summer waiting for mechanic to find a lower unit for my deceased dad's 1997 90 hp lower unit ELPTO. I have taken on the task of finding parts on my own but I`m not mechanically inclined . But`I`m tired of waiting. I have found a lower unit from a 1990 90 hp mariner. Does anyone know if it's compatible?
Please help
thanks

 

[jerryjerry05]

They use the same housing.
The same drive shaft. and the same gear shifting equipment.
It probably will fit.??? Maybe?
You have the model# for both motors?
​Take yours off and compare them.

 

[swordshark22]

Thank you for the response . I do have the serial numbers for both motors. Is there somewhere I could check compatibility using those?

 

[Faztbullet]

1997 should be the 3 cylinder motor...if the 1990 is of a 6 cylinder it wont fit.

 

[swordshark22]

I'll try and find out if that's the case. Thank you for your input . Very much appreciated

 

[Chris1956]

Gee, Call SEI and for $900(or less) you can get a brand new one and bolt it on..