Hi Thejafman, and a warm welcome to the forum. grin
Its always nice to welcome another Scott Bonnar Model 45 owner as we all like to learn new things and tinker here. wink

Some members have really come to like the little 14" machines as, they're so light and maneuverable compared to the 17" model.

The best way of dating a Scotty with a Briggs engine, is to post the complete string of numbers: (Model, Type and Code) that are stamped into the metal air cowling of the Briggs, from which we can get the date of its manufacture, and model information...this will also help us determine a rough idea of your machines age.

In order for us to give you the correct advice, we need some photos of your machine, from different angles, including the cylinder reel, bedknife (bottom blade) and inside of the chain-case including all chains and sprockets especially where the sprocket is not covered by the chain. wink We can then assess the overall condition and make some observations.
Instructions for posting pics can be found HERE

I will also need a close-up of the top (12 tooth small sprocket with the old edger pulley was attached...this may prove hard to remove, but we will get there! grin

To answer your interim questions...

The worn front roller shaft can be repaired by building up the worn areas by welding and then turned down to the correct diameter, or by using brass sleeves to slide over the worn areas, and secured in position. New shafts for the 14" machines are not available, but are for the 17", one of those could be cut to length and a new thread turned by an engineer if necessary. wink

The alloy roller end caps of your machine could be repaired by re-bushing or you could purchase the plastic ones from our Online Store...see HERE if you are not worried about originality.
Yours can be removed by drilling out the rivets and pushing out with a long drift...they just slide into the roller tube. New alloy ones are not available. cry

Once again Thejafman, :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