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