Hi Ian,
If you have forward but not reverse for the auto drive you would think that there is something wrong with the cork clutch for reverse
or the linkage isn't working.The belt tension could be too loose.
I would set up the adjustments as per the manual and check the cork thickness.
https://www.outdoorking-forum.com.a...cher%2028166%20/%2028168%20/%2028151.pdf
https://www.outdoorking-forum.com.a...180%20Rancher%2013_30%20Auto%20Drive.pdf
https://www.outdoorking-forum.com.au/forum/ubbthreads.php?ubb=showflat&Number=7306
Cheers
Max.
