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