I always sharpen my blades, usually with a angle grinder, just lift the front of the mower up , gotta watch 4 strokes so oil doesn't spill.
I gives a better cleaner cut, specially for thick grass.
I grind the upper part of the blade at 45 degree angle.
cheers
speedy

Last edited by speedy; 31/03/18 07:31 AM.
........................Keep your blades sharp......................