ORIGINAL: vertical grimmace
This one is big. Maybe a 75cc? Front case sais, 49ZN2. Bottom end smoothly finished, top end looks like a Zenoah, Fuel line running from carb to case, Wooden disc for hall sensor, CH ignition as well. Mechanical advance on ignition. Thoughts?
This one maybe the Sachs 4.2. by A&M. Not the Zenoah.