oil line ?

tjbass

Cadet
Joined
Jun 30, 2008
Messages
7
I have a 1998 90hp johnson that i had to rebuild. on two of the intake bypass covers there are two nipples for oil lines on the starbard side there is one oil line plug in which i have ran but on the port there is another one and not sure where it gets ran or if it even gets an oil line to it.
 

Chris1956

Supreme Mariner
Joined
Mar 25, 2004
Messages
28,399
Re: oil line ?

I will assume you do not have a service manual, since the data is in there I believe. Didnt some of those lines run to the airbox?
 

ezeke

Supreme Mariner
Joined
Sep 19, 2003
Messages
12,532
Re: oil line ?

The single small nipples on each bypass cover are for the hoses leading to your recirculation check valves.
 

R.Johnson

Rear Admiral
Joined
Sep 24, 2003
Messages
4,446
Re: oil line ?

If you have done a rebuild, check those recirc. valves also, that is also in the service manual.
 
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