While you wait for answers, we may have found some information which could help you.
Click here for John Deere Drive Belt Lawn Mower
John Deere L120 engaging blades kills engine?
lawn mower ?
What would cause belt to flip on a pully ?
was mowing with john deere lx172 just quit running , dead?
Mower won't stay running?
John Deere L130 clutch problem?