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