Hi fritzymark, and a warm welcome to the forum. Its great to have another Scott Bonnar owner on board. We all like to learn new things and tinker here. grin
Thanks for posting the photo of your 590...its easy to see how yours works because of the Bowden cable and the tang welded to the chassis frame to support and adjust it....if you compare that with the pic on page one of the topic...the belt set up is the same except there is no tang on which to support the cable....its got me tossed how it can drive. crazy
Once again, fritzymark, :welcome:
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