Go Bottomyanmar ym1510 engine temperature light
 | matt telowicz
Join Date: Posts: 1 
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1999-09-01 7554
ym 1510 enginre temp lite comes on in about 15 minutes . I already flushed the radiator out , tightened the belt and cleaned the radiator screen and front of the radiator. One day the light came on in a hour and each time it took less time now it comes on in only 15 minutes any ideas?
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Add Photoyanmar ym1510 engine temperature light
| David
Join Date: Posts: 1
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1999-09-01 7566
Did you have the radiator boiled out by a radiator shop? If you only flushed it with a hose it is proably still stopped up. Take radiator to a shop for pressure and flow testing. Either you have radiator problems or a bad head gasket, cracked head or some problem like that. We are a Yanmar dealer and sometimes the only way to get a radiator clean is to have it professionally flushed. ....
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| ARK
Join Date: Posts: 1
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1999-09-02 7577
Have you actually checked the coolant temperature to make sure that the sender is not bad? Most of the Yanmar temperature senders are set to turn the light on at 110 degrees Celsius. The Yanmar service manuals state that the light will come on at 230 degrees F. You need to check to make sure that you do not have a bad sender which is the most common problem we see. ....
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