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