Do not throw away old rubber parts. Even if cracked, old intake boots and seals are reference pieces to match sizes at the hardware store or online moped retailers (Treatland, 1977 Mopeds).
Your project moped will break down. It will strand you. It will vibrate bolts loose. But when you pedal to 5mph, release the clutch, and feel that tiny engine sing at 7,000 RPM, you will realize something profound: You built this. You saved it from the scrap yard. And now, it is yours. project moped manual