ORIGINAL: Wild Foamy
... but seeing as they are 2-stroke and there is no timing/cams/valves to mess up i dont see why you cant fire it up in reverse... but dont try it, i probably dont know what im talking about
Here's an old Enya 45 with the front housing rotated 90 degrees. This alters the crankshaft port timing and now it will only run in reverse. Or it would if I put the screws back in