While you wait for answers, we may have found some information which could help you.
Click here for Motor Fuel RpmCountax site on mower C300h?
How to recoil the starter spring - Champion R484TR?
Reassemble Throttle?
Belts for old WEBB Mower?
Flymo 330 turboglide?
Trying to find lawn mower part- Power Devil PDG4037R?