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