cam chain removal

i cannot ge the flywheel of of this and i need to get it off ti put the new cam chain on anyhelp would be really appreciated and also how do you retime it and does anyone have a manual they could send me to use on the computer :):):):)

Does anyone know where to find a walk thru or maybe a youtube video of how to remove and install a Cam timing chain? Any help in this matter would be great got a new cam chain on its way..