I Have A 2001 Di Gtx It Has Been Perfect Up Until Now Recently Serviced Only Done 70hrs Now Experiencing No Power Under Load Can Acheive Full Rpm Out Of Water But Engine Splutters And Chokes Under Load Unable To Get Past 30mph Any Ideas
Wear ring has gone and needs replacing or your prop is slipping on the spline. First guess is the wear ring... Look into your pump and iff you can see daylight thru the gap from prop edges to pump edges of more than a couple of mm then you need a new liner