There is
It will be said to join as a premium member, where you can download a manual that details how to.  There is an 07 RXP manual here, the one I downloaded, and it will do you wonders.   Washers run 70-100 $ a set, you can buy a toolset w/washers for about 120.00 on line.  BRP recommends a SC rebuild every 100 hours, funny my 07 manual states every 200.  The skis are more prone to failure because they load/unload more often stressing the SC.   The total rebuild kit with washers is 300+- dollars.  There is a site on the net, this gentleman will replace washers for 50$ labor or rebuild for 75$ labor, you pay parts and shipping.  My local SEADOO dealer quoted me 300.00 for a rebuild kit ( good price ) and 350.00 in labor (yikes)  I can order a new SC delivered for 650.00 and install myself.  There are a lot of rebuild threads out there, not too hard if you feel you are up to the task.
FWIW Ned