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