Originally Posted by Belgium
We sharpen the blades on a sanding belt but i have a little question. The blades should be balanced but should they be perfectly balanced because they aren't straight on the crankshaft (in case of a ztr, with a push mower they should be balanced perfectly, i know)
Posted via Mobile Device
They should always be balanced. A balanced blade helps reduce the side load on the spindle bearings. Thus they run cooler and last longer.