This looks like it solves that problem but I've been wrong before. If it works it's free and painless....
Normal Transducer install... Notice transducer kickout(8 degree angle)
If this has already been posted.... oh well.
20210922_084116 by Doug Wei, on Flickr
What the lines on the transducer mount look like. This is the portion of the mount that is on the shaft....
20210922_084128 by Doug Wei, on Flickr
Soooo... if you rotate that part of the mount to the right one click - it looks like this...
20210922_084714 by Doug Wei, on Flickr
And the resulting change in the transducer angle looks like this....
20210922_084701 by Doug Wei, on Flickr
This solution will work in the foreword and down mode I would suspect if you need/want to use scout mode you'll have to line the marks back up.