Re: Johnson 5hp TN-28 water pump Home › Forum › Ask A Member › Johnson 5hp TN-28 water pump › Re: Johnson 5hp TN-28 water pump cajuncook1Replies: 842Topics: 72 July 16, 2018 at 3:17 pm #79649 Here is Ben D. (Chrysler outboard dude) YouTube video. https://www.youtube.com/watch?v=35kv1atTIRw The tell tail water stream is shown at the 45sec mark.