Abstract: A motorcycle gas tank paint stand includes (i) a bung plug adapter to releasably connect to the inside wall surrounding the gas fill access opening of the gas tank, and to optionally engage the outer lip surrounding the gas fill access opening, without obscuring the exterior surface of the gas tank to be painted, (ii) a first rotary device carrying the bung plug adapter for rotating the bung plug adapter through 360 degrees about a non-horizontal axis, and a corresponding position-locking mechanism to selectively secure the bung plug adapter and gas tank in a desired angular position about the non-horizontal axis, (iii) a second rotary device carrying the first rotary device for rotating the bung plug adapter through 360 degrees about a horizontal axis, and a corresponding position-locking mechanism to selectively secure the bung plug adapter and gas tank in a desired angular position about the horizontal axis, and (iv) an optional linear translating device carrying the second rotary device shaft for effectin