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