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