The iboats forum moderators are excited to announce that at this time it appears the iboats forums posting pictures function is working once again. Though we cannot promise for how long, we're hoping for indefinitely.
Mine didn't have a clear marking either so I looked them up on the net and called their phone number. If you get the number off the hub of the prop they can tell you what it is. Mine happened to be a 17 and the part number ended in 17 so you may be able to draw a conclusion from that.
