Hi elevatorman, and a warm welcome to the forum. It's great to have another Scott Bonnar Model 45 owner on board. grin
What you need to do is download a converter program (which is a free download) to convert your pics to a smaller size (but retaining the pic quality)
The engine shaft sprocket (the top small one) has had its day and should be replaced (pointy teeth)....we can't see the others but some may be the same...please post again when you get a pic convertor. wink

The chains should also be replaced as you replace the sprockets.
You seem to have a machine that is in good restorable condition; plenty of meat on the reel for re-sharpening; and appears to have had the inner clutch half replaced at some time; all should be ok with the cutter clutch. wink
More pics please, and we can advise you further.
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