1988 Merc classic 50 vent hose

[merc_outboard]

"I have aquired a 1988 45 hp.

"I have aquired a 1988 45 hp. classic 50 outboard which has a tube or hose coming from the front of the lower unit (see Pic), but don't see where it should be connected? Can anyone help?

vent tube ?

 

[beckerjs]

"that would hook up to a speed

"that would hook up to a speedometer, it uses water pressure from a very small hole on the front edge of the lower unit"

 

[merc_outboard]

Thanks very much.

Thanks very much.