We may have found other answers which could help you.
Click here for Riding Lawn Mower Helpsnapper riding mower won't stay running in gear, seat safety disconnected?
My snapper sr1333 wont go forward but reverse works -how can i fix it?
Snapper rear engine mower?
how can I grease or change transmission oil on snapper hydro mower 1438H?
tranmission fluid in rear trans?
my snapper riding mower won't stay running when i release the brake?