Johnson 120 Lower unit fluid

[bchaffin125]

How do i check and change the lower unit fluid on my jonson 120?

 

[ezeke]

Re: Johnson 120 Lower unit fluid

There are two identical looking large slotted screws in the gearcase; the top one is the vent and the bottom is the drain or fill plug.

Gear oil is always inserted from the bottom until it flows from the top or vent. When it flows out, replace the top screw first, then the bottom.

 

[bchaffin125]

Re: Johnson 120 Lower unit fluid

thanks, that is what i have been told in the past by someone but just wanted to be sure. thanks again for the info.