good evening everyone, need some advice on a 150 mariner, 1985 model. my temp runs about 1/2 way on gauge at idol and up to 3/4+ on gauge @ wot. the engine dosent appear to be hot, you can lay your hand on the heads their hot but not boiling or scorching i installed a new, temp sender for the warning system and its working if you ground it, the alarm sounds. new thermostats new waterpump, new poppet. i have a 200 degree melt stick and it dosent melt it. cant find sending unit for this motor. any ideas?
