Lucked out and picked up this mower at our city's Recycle Day event. Pull cord wouldn't retract; maybe that's why the owner ditched it. Cleaned & fixed that with lube in 15 minutes. Everything worked - blades, propel, wheels & deck good. However, I have never owned a GCV190 engine before, nor a dual blade system, and it does seem to vibrate more than I have experienced with GCV160's (or Briggs powered Toro's) and a single blade. I checked the flywheel with the setup below (3/8 drill bit set...
Honda HRX217 ... pickin' up bad vibrations?
Honda HRX217 ... pickin' up bad vibrations?