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