Hi Carina Bob and a warm welcome to the forum. grin
Its great to have another ATCO owner on board.

For the kick-start spring, I have found one....Click HERE
As for the clutch, I cannot help you there, as I have not seen one disassembled.
Re: sharpening of your cylinder reel and bedknife....do not attempt this yourself....it has to be done professionally by an engineer.....See the thread Click HERE
CarinaBob, once again :welcome: to OutdoorKing.
cheers2

Please do not PM me asking for support. Please post your questions in the appropriate forums, as the replies it may receive may help all members, not just the individual member.
Kindest Regards, Darryl grin