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1999 Johnson 90 J90PLEEB Shift Shaft O rings and VRO Questions???

First question: Is there an easy way to replace the two o rings in the housing top of the gear shifter shaft in the lower unit? It is trying to beat me!!!!
Second Question: I am going to change out the VRO fuel pump for a straight gas fuel pump. Any suggestions or tips? I would like to remove the oil storage tank, without destroying it, but the winged knobs just spin. They seem to be spring loaded but I can't figure out the removal sequence. HELP!!! Thank you.
Carter
 
Whats wrong with VRO?
Motor smokes like the rings are shot but they are not. Too much oil in gas. Oil reservoir tank is leaking. Oil/fuel pump needs rebuilding. I decided to replace the oil/fuel pump with just a straight gas fuel pump and to pre-mix my gas in the fuel tank. I was suggested a Johnson/Evenrude fuel pump part #: 438559. Does anyone have any suggestions??
 
Rings have nothing to do with a 2 stroke motor smoking !!----Just more proof that many folks do not understand the concept of lubrication in a 2 stroke engine !
 
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