While you wait for answers, we may have found some information which could help you.
Success
Message
Tractor won't shift into gear?
Carburettor?
Reassemble Throttle?
Lawnmower repair?
No ignition light?
How do I trace a Lawn Tractor starting problem?
Throttle issue?
Bosch al3640 cv?
Trying to find lawn mower part- Power Devil PDG4037R?
Mountfield empress drive belt?
Fuel for mountfield?
Flymo 400 turbo stopped working?