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