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