Depends on the make and model! Usually, it's just a case of removing the cover under the deck, manoevering the old belt off the gearbox pulley, then off the crankshaft and over the blade, and the reverse for fitting the new one. Not usually more than 15 minutes.
phil_saunders@bigfoot.com
Phil Saunders
September 2008
Automatic Answer
We may have found other answers which could help you.
howtomendit.com for free repair help, information and advice.
Try fixfault.com to fix lawn mowers.