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