While you wait for answers, we may have found some information which could help you.
Click here for John Deere L120 BladesMower won't stay running?
john deere clicks rapidly but will not start?
john deere js30 won't start?
John Deere L130 clutch problem?
john deere 120 shuts down when engage mower deck?
fix steering J> Deere riding mower?