Antique Drag Saw [Restoration] - Problem Solving

In this restoration I tackle the largest project I have done to date! This is a 1920s drag or log saw made by the Ottawa Mfg. Co. of Ottawa, Kansas, USA. This is a TE model with a 5HP 4-stroke engine on it. The saw mimics the sawing action of two people using a non-powered crosscut saw. The saw blade itself is 5ft long. I have not dealt with 4-stroke engines very often in my restoration history, so it was a lot of fun learning along the way. The tool itself shows signs of many repairs over its ~100 ye