I believe the flat side goes towards the bow. It's easier to install with the lip facing you when you tap it in with a seal press.which way does the grease seal behind the gimbal bearing get installed? flat side in or flat side out? Than manual doesn't show.
Usually, flat side is opposite of grease side.which way does the grease seal behind the gimbal bearing get installed? flat side in or flat side out? Than manual doesn't show.