Merc. 175hp, 1987 black max Temp. ?

KCLOST

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Jun 22, 2002
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I've noticed that at full throttle my temp gauge (L/H type) reads almost to the max. (almost to H) until I power down where it immediately receeds to the mid range of the gauge.. I've never had a high temp. alarm. I'm planning on changing the water pump just for assurance purposes, it seems to be working well except the stream at the indicator at any throttle position doesn't seem to be steady... There is good water flow but it seems to be inconsistent, the flow out varies kind of like there is oxygen in the line or cooling system. But I was wondering if this (along with the temp. issue) may be common with this engine assuming everything is in working order...<br />Thanks....
 
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