Absolutely, 100% yes! If you are comfortable and confident enough in your mechanical abilities to perform the required service within specs, have at it. You would be one of the legions of Sea-Doo personal watercraft owners who find satisfaction in an intimate garage session with your favorite adventure partner.
Even if you don’t consider yourself an expert mechanic, there are several annual Sea-Doo service tasks that any confident, self-taught DIYer can take on in short order. For example, flushing your Sea-Doo after saltwater rides requires only a garden hose and flush port adapter. Oil changes, steering adjustments, winterization or long-term storage preparation are a few more things that you might consider taking on yourself.