Gear Ratio??

[skyguy59]

What is the gear ration on the lower unit of a 1972 100 HP Johnson? Did they change gear ratios on the 13 spline lower units as the years progressed?<br /><br />Thanks In Advance<br /><br />Russ In Texas

 

[R.Johnson]

Re: Gear Ratio??

I would have to check for sure, but I think it's 13:26