oil pressure

I have a 96 Hunter 376 with a Yanmar 3JH2E that has no gauges, just idiot lights for oil pressure and water temp. And because we only use the motor occasionally (in and out of dock) it would be prudent to know the thing is running within spec. So I found and interface that will work with my...

I have a 1997 Yanmar 3JH2-T(B)E turbo motor in my Freedom 40/40 and when I start it up, the oil pressure is low, but when I start motoring, it climbs to normal levels. Then after about 20-30 minutes, the pressure starts dropping to levels lower than I would like to see it. Quite often I can...

Hello all, I have an 86' O'day 272 with an apparent oil leak. The oil pressure barely gets above 5psi, there is oil underneath the engine and a faint continuous alarm emits as soon as you turn on the key. I've looked for signs of a leak around the Rocker cover gasket and the Head cylinder and...

I recently bought a new engine control panel (tacho, oil pressure, water temp, start, stop and alarms ) on HunterOwners. The panel is a perfect replacement for my 2001 H410, but once wired in, the water temperature shows about 210F (I measured it at 172 F in reality) and the oil pressure shows...