• The hull, deck, backbone, bow sprit, tiller, rudder, centerboard, mast, and boom, shall conform to the building specifications and shall only be manufactured from the Class approved molds by licensed builders established by the copyright holder (Johnson Boat Works, Inc.). Hardware and rigging shall conform to the official plans, no exception unless stated herein.
      • 3.0.1 A yacht's hull, deck, backbone, hardware placement, bow sprit, mast, boom, tiller, centerboard, and rudder, shall not be altered. Sanding is prohibited on hull, deck, centerboard, and rudder, except when repair of superficial damage is required. (Sep 10, 1995) Fairing of centerboard and rudder trailing edge seam is allowed.
      • 3.0.2 The location, design, and sizes of hardware fixed to the hull, deck, backbone, centerboard, rudder, tiller, bow sprit, mast, and boom shall not be altered. (Sep 10, 1995) Jib sheet cam cleats and mainsheet cam cleats may be moved or removed.
      • 3.0.3 Altering hull and deck construction by coring, drilling out, rebuilding, replacement of materials, grinding, or sanding through surface laminations, or any other practice which reduces weight, improves moment of inertia, or changes standard shapes or structural characteristics is prohibited. Reshaping or fairing of hull profiles or contours is prohibited.
      • 3.0.4 The tiller extension may be of any material and of any length.

    • 3.1 Weight The dry weight of the yacht as raced shall not be less the 218 kgs (479.6 lbs). The dry weight shall include: mast, boom, bow sprit, rudder, tiller, centerboard, jib, all standing and running rigging. An optional compass may also be included as part of the dry weight. Lead corrector weight(s) shall be positioned at a distance of no less than 2616 mm and shall not exceed 3016 mm from the transom. The corrector weight(s) shall be thru-bolted to the sidewall of the cockpit. . The corrector weight(s) shall not exceed a distance of 300 mm from the topside of the mini deck.