psi guage

[double-o]

i have a 87 merc.115hp and allis going well so far except i see the psi guage doesn't<br />move when the motor is running. how can that<br />be checked and what is it measuring per. sq. in.?

 

[Fouled Plug]

Re: psi guage

I would think that is the water pressure gauge for the cooling system. If your motor isn't overheating, there may be a plug in the hose to the gauge.<br /><br />------------------<br />I'm going to invent a TCW3/citronella oil blend and make a fortune!