Phase II to flatten out the seat (grout sponge seat pan mod), there is a cut out in the seat pan . . . Cut a grout sponge to fit the cutout:mcmann said:I notice the front seat rubber grommet is only 1/8" thick . . . There is 1/4" play in the front. I added 3/8" rubber grommets to raise the front of the seat a bit and eliminate the play. I had the grommets from a rear rack.
The seat does slope forward. It looks like there is enough cover material to unstaple the front and add padding between the seat pan and the seat foam . . . to flatten the seat out.
For comparison with the stock sloped seat:
This mod makes a big difference to me. I do not like sliding forward due to the stock sloping seat. It does not change the seat lines and allows you to slide back bit for more leg room.
Remove the passenger strap for more comfort. There is extra seat material for this mod (use 1/4" staples . . . stapled in between the original staple holes: