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