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