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60tlr oerheat problem

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a238killfish

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friend has 06 tlr60. plenty h20 out the pee hole but water never warms up. idles for about 3 minutes then alarm goes off. block plenty hot. thermostat?
 
Pull stat and test in a pot of water on stove, should open at 143F, Check temp. with a infrared temp. gun on head, Try the hand on head test for 6 second count. Are you running in salt water? Water from telltale should be warm but not hot enough to burn hand
 
a238killfish said:
friend has 06 tlr60. plenty h20 out the pee hole but water never warms up. idles for about 3 minutes then alarm goes off. block plenty hot. thermostat?
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The good water flow from the tell tale only indicates your water pump is functioning. It's good flow does not indicate water is circulating through the cooling passages. 3min idle followed by high temp alarm is a testament to this. The stats only open when the engine warm. When the engine needs more cool water in order to maintain normal op temp, stats open at a preset temp.

Normally it will take a idling cold engine about 10min to warm. Could be shorter or longer, depending on ambient air temp. You can pull the stats and check their function. If your engines stat housing is vertical (stats are seated up/down), remove stats and start engine while flushing on muffs. If you're still getting the high temp alarm, then the cooling passages have corroded to the point of failure. Heads need to be pulled to scrape out all the built up corrosion.

Or you can try running Salt X through the muff flush, but this is more of a preventative maintenance so I doubt it will work.
 
my friends motor. only 13 hours on it. previous owner in divorce never used it.it gets plenty hot on head. plenty water out telltale but water isn't even warm. boat only ran in lake for couple trip. will tell him to pull thermostat and check. thought maybe if prior owner ran it on sandbar maybe clogged as well. he should be able to tell when thermostat pulled
 
Sand bars usually eat up the impeller in short time and or clog housing and cooling passages. Are you running on open water?Muffs? tank? As said in above thread,pull stats.and run engine,water should flow out like a gyser if pump is intact
 
You can also test the thermoswitch's continuity. The switch is open from room temp up to around 165º, closes thereafter.
 
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