johnson/evinrude lower unit compatibility?

[wheineman]

I have a 1979 johnson 100 lower unit. Will this fit a 1973 evinrude lower unit? Is any of it compatible?

 

[Bob_VT]

Re: johnson/evinrude lower unit compatibility?

Same engine size grouping ? Yes fully compatible with exception of the color.<br /><br />Bob

 

[seahorse5]

Re: johnson/evinrude lower unit compatibility?

The '73 has a hydraulically assisted shifting system that operates the linkage "backwards" than the '79 all mechanical shift gearcase. Shift rods are even different.

 

[Dhadley]

Re: johnson/evinrude lower unit compatibility?

They have different bolt patterns. All 1978 and newer V4's, any 1977 140 as well as 1977 25" V4's will bolt up to your 1979. <br /><br />If you feel like getting a little crazy, the V6's and V8's have the same bolt pattern also. That makes propping a little challenging.<br /><br />Good luck!