How do you replace drive belt on lt1000 sears rider?

To replace the drive belt on a Sears LT1000 rider, first, ensure the mower is turned off and the spark plug is disconnected for safety. Remove the mower deck by detaching the pins and brackets, then locate the drive belt. Slip the old belt off the pulleys and install the new belt, ensuring it's properly seated in the grooves. Finally, reassemble the mower deck and reconnect the spark plug before testing the mower.