Home › Forum › Ask A Member › Johnson 5hp TN-28 water pump › Re: Johnson 5hp TN-28 water pump
July 15, 2018 at 10:33 pm
#79626
Alex,
There is a “tell-tale on the power head which will indicate water circulating. It is hard to see as it is just a small drilled hole in a brass fitting.
Ben Ditmar has a YouTube video of one you can see.