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