While you wait for answers, we may have found some information which could help you.
Success
Message
Flymo 400 turbo stopped working?
Lawnmower repair?
Carburettor?
No ignition light?
How to recoil the starter spring - Champion R484TR?
Bosch al3640 cv?
Mountfield empress drive belt?
How do I trace a Lawn Tractor starting problem?
Trying to find lawn mower part- Power Devil PDG4037R?
Throttle issue?
Reassemble Throttle?
Tractor won't shift into gear?