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Yanmar overheating

greybeard Join Date: Jul 2003 Posts: 2 lake city, fl

2003-05-29          55908

The idiot light on my Yanmar 1700 lights up after a few minutes of light mowing to indicate overheating. The radiator is full and the overflow is 1/2 full. Top hose seems hot and overflow is cool. Any suggestions or should I just pull the radiator and have it rodded?

Also, can i add automotive type gauges to get rid of these idiot lights (mechanical gauges for temp, oil pressure, and charging?)

thanks


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Yanmar overheating

Murf Join Date: Dec 1999 Posts: 7249 Toronto Area, Ontario, Canada   Pics

2003-05-29          55911

Grey, CAREFULLY get it back to the point where the light comes on and quickly put a thermometer in the rad and check the temperature that way, also check and make sure it looks like you have good flow.

It could be a bad sensor, gauge, or even just a bad wire to the sensor. If the temp is higher than it should be then by all means have the rad checked and or repaired. Sometimes the rad just needs a good flushing to get rid of accumulated sediment, a garden hose to the rad, alternating between inlet and outlets until you get nothing but clean water coming out will often do the trick.

Best of luck. ....

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