While you wait for answers, we may have found some information which could help you.
Success
Message
Tractor won't shift into gear?
Mountfield empress drive belt?
Throttle issue?
Trying to find lawn mower part- Power Devil PDG4037R?
Belts for old WEBB Mower?
Reassemble Throttle?
Lawnmower repair?
How do I trace a Lawn Tractor starting problem?
Flymo 400 turbo stopped working?
How to remove roller from lawnmower?
No ignition light?
How to recoil the starter spring - Champion R484TR?