Mang, mang mang.
Firstly welcome to the forum
We are here to help But we can not help if we do not know the actual details of the problem that is causing you to loose sleep and the full details of the machine including engine make model && serial number
Thank you for the warm welcome to the Forum and for your response so here is more information I have a ride on Husqvarna lawn mower model number yth 18542 Briggs & Stratton intek 18.5 540 CC engine I try to start it it seems like the engine is jammed if I spin the flywheel back it will start with a pop any information and help is greatly appreciated thank you