Re: 9.9/15 Seal Orientation

Yes, most if not all of the single seal lower crankcase seal set ups I have seen have the lip facing up into the powerhead as well. But, having the two seals makes it a different game I guess…
Some of the newer engines had an oring that was lodged in the crankshaft instead of the driveshaft as well, the 32CI engines were some of the first to use this set up. I always questioned this set up saying that you would never know if the oring was in place without removing the powerhead. But, I guess having the oring housed in the crank made it much less likely that it would become dislodged broken during gearcase installation/removal.