homemade engine

  1. Will'smotobikes19

    Manufacturing your own ht engine?

    My idea is to build my own engine. These bike engines are quite simple. Plan is build a foundry and cast the crankcase and tap the holes to 1/4 and maybe 5/16 instead of metric. I'll get a drill press and probably belt sander. I already have a grinder but it needs a new spindle and stone. Then...