mercury 90hp 4 stroke water pressure line connection

Chris Dean

Recruit
Joined
Oct 31, 2009
Messages
4
just brought a pontoon boat, the water pressure gauge is fitted but the pressure line is not connected to the motor can any one tell me where it should be connected
 

Silvertip

Supreme Mariner
Joined
Sep 22, 2003
Messages
28,771
Re: mercury 90hp 4 stroke water pressure line connection

Two possibilities: 1) Some work just fine with a simple "Tee" connection into the tell tale. 2) Other engines require connection to an unused port in the water jacket. Try #1 first.
 
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