Mercury 850 Propeller Shaft Question

wguttrid

Seaman
Joined
May 12, 2010
Messages
72
Hey guys would anyone happen to know if the propeller shaft remained the same for the production run for the Mercury 850 (85 h.p) which ran from 1973 to 1977?

Mainly just curious about the spine count to understand interchange ability between lower unit swap outs and propeller swap outs.
 

Faztbullet

Supreme Mariner
Joined
Mar 2, 2008
Messages
15,930
Re: Mercury 850 Propeller Shaft Question

All the inline 4 engines(75/80/85hp & some 650) and inline 6's (90-1500) share the same propshaft and spline count
 

wguttrid

Seaman
Joined
May 12, 2010
Messages
72
Re: Mercury 850 Propeller Shaft Question

Thanks Faztbullet, guess I better get out the file and some emery cloth as having some problems installing my old prop onto a new lower unit I picked up.
 
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