Lower unit swap

A

armadaplumb

Recruit
Joined
Feb 26, 2011
Messages
4
I have a working 1982 70hp 3 cyl powerhead without lower unit

i also have a rough running 50hp 4 cyl manual start same sort of age complete with lower unit type r drive? (with preload pin)

Can i use this lower unit as a straight swap for the 70, will it accept the preload pin type drive shaft and will the ratios be correct?

thanks

j
 
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