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