While you wait for answers, we may have found some information which could help you.
Click here for John Deere Lawn Mower Engine
John Deer LA105?
John Deere L130 clutch problem?
JD lawn mower LT133 wondering if clutch switch could be bad?
john deere 120 shuts down when engage mower deck?
John deere z425 54c mower want start?
What would cause belt to flip on a pully ?