While you wait for answers, we may have found some information which could help you.
Success
Message
Reassemble Throttle?
How to recoil the starter spring - Champion R484TR?
How to remove roller from lawnmower?
Countax site on mower C300h?
Mountfield empress drive belt?
Mac Allister 35cm electric lawn mower?
Belts for old WEBB Mower?
Lawnmower repair?
Trying to find lawn mower part- Power Devil PDG4037R?
Flymo 330 turboglide?
Throttle issue?
Flymo 400 turbo stopped working?