G'day sparker,I would just cut the difference out of the standard catcher so it fits the self propelled.I usually cut the catchers
with a hacksaw as tin snips etc. can crack the catcher.

Cheers Max.

Attachments
Z1 Rover 1.JPG (151.38 KB, 70 downloads)
Z2 Rover.JPG (217.76 KB, 68 downloads)