I've just Come down the inside passage to Olympia, Wa. Lots of engine time and Plenty of problems along the way. I replaced the starter, solenoid and coil along the way. The last ten days of the trip the engine ran well untill the very last day when it starting running with less cooling water, increased steam and over 180 degrees. (it usually runs between 140 and 160) I have checked the through hull to the new moyer marine pump. No blockage, checked the impeller and the fittings coming off the pump, nothing. Cleaned the thermostat, and then I pulled the hose from the input of the thermostat and ran the engine for a moment to see how much water was pumped to that point. It was far less than the amount the ran in the boat from the through hull. So I think the problem is between the pump and the thermostat...
At this point I pulled the hose from the output of the pump to see how much water it is pumping out. Tried to start the engineand ...nothing. Checked for spark with the lead from the coil, nothing. Used a jumper from the positive on the solenoid to the positive on the coil, nothing, replaced the coil, nothing. Replaced the lead, nothing. At this point I was ready for bed, I turned the house batteries off and was surprised as the engine control panel stayed powered on with the keys out and the battery selector switch turned off.... I don't even know where to start.
Ps. I have the pertronix electronic ignition
At this point I pulled the hose from the output of the pump to see how much water it is pumping out. Tried to start the engineand ...nothing. Checked for spark with the lead from the coil, nothing. Used a jumper from the positive on the solenoid to the positive on the coil, nothing, replaced the coil, nothing. Replaced the lead, nothing. At this point I was ready for bed, I turned the house batteries off and was surprised as the engine control panel stayed powered on with the keys out and the battery selector switch turned off.... I don't even know where to start.
Ps. I have the pertronix electronic ignition
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