With this all new tank this problem is stopped.
Is delivered unpainted, so that it can be individually painted or plated to the likes of the owner.
New fuel tap and fuel tap tool, if not present, are advisable.
Take good care of the breather function of the tank cap, if corroded or blocked, a new tank cap is advisable. Lockable fuel tank caps are available against thieves.
PLEASE NOTE: For new or repainted fuel tanks we always recommend a thorough cleaning and a high quality fuel filter.