I have a 1989 120 Evinrude VRO with drastically different head temps. The port side head is approx. 130* while the starboard side is 35+* higher at 165*-170*; this is measured directly between the cylinders on each head. Both t-stat housings are right around 130*...
My tell tale water temp...
All four plugs were just replaced and have only been idled for approx. 30 minutes; 1989 120 VRO Looper motor.
Three of the plugs look like the first pic, clean and wet. But then there is the bottom right plug that has blackened at the tip of the electrode??
Is it possible to replace the VRO warning horn with a cheaper 2-wire, 12v DC buzzer and retain all functionality?
Something like this: http://www.amazon.com/Amico-LZQ-3022-Industrial-Electronic-Buzzer/dp/B008OTO2RG/ref=sr_1_1?ie=UTF8&qid=1430835698&sr=8-1&keywords=Warning+buzzer
I have confirmed I have a non-functional warning horn and installed a temporary horn for diagnostic duty.
The VRO alarm is going off constantly and I have determined the VRO pump is causing a constant alarm condition because unplugging the 3-wire VRO plug stops the constant alarm.
However, I...
Long time lurker, now to start posting...
I primed the oil bulb for a startup on a motor that sat for two years and was unable to get the bulb hard. What I did was produce sufficient force to push oil through the VRO pump and collect a quantity into the fuel filter.
I primed the oil line...
