Week 4 – 6 Photos Valve seats ground to fit the new valve Newly ground valve Painting Newly painted gas tank Bondo-ing the fork Engine Case Cleaning the empty engine case Cleaning Preparing the electrolysis cleaning process Using an electrolytic process to remove rust from parts Engine Plate Measuring coordinates in the engine plate 3-D Printing Designing a piece using 3-D printing software Sandblasting the engine head Restoration: Bondo Preparing to Bondo the gas tank Measuring the valve spring constant using a ring gauge