Hola Geoffs
Will be a good opportunity to disarm your sib completely and wash with soappy water interior bottom fabric, tubes, including floor panels to take out salt, sand, debris, etc. Rinse well with fresh water, dry completely with towel. Assemble your sib back and keep it on a trailer inflated to 2.0 psi on all tubes, so to maintain fabric and seams rigidity. Top cover with appropriate cover.
Put engine on stand, you could run engine for 5 minutes twice per month and avoid winterization if cold temperature is not an issue were you are located. If a stand is not available, put engine on floor or put back on sib's transom and inflate all tubes to 3.0 psi. Check once a month and top air if needed. The larger the area of tubes resting against trailer horizontal surface, the better for appropriate tramson/engine support stay.
In my case, maintainin in shadow all year round my 3.60 sib inflated to 3.0 psi mounted on top of a flat trailer, 100 % of the tubes flat portion rests on trailer with engine secured to transom, use this method for years with excellent results, besides, the sib is always ready for sea action.
Happy Sibbing
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