Does this noise ever go away? Does engine speed or blade engagement have any effect?
I've seen a recent Scag walk-behind make a similar noise: the plastic fan blades on the hydro pumps were brushing against the metal fan blade cover. Trimming the blades slightly made the awful noise go away...
I've owned 2 Scag walk-behinds: one was a 48" belt drive with a Kawasaki that I purchased with 20 hours. I owned that for more than 20 years, mowing my own yard and some of my neighbor's yards. It was bulletproof, and I've often said it was the best investment that I ever made. I eventually...