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