I’m new here, and I recently dug out what I think to be a 1970/71 Snow Jet “Star Jet Deluxe” from behind a trailer, last registered in 1977. Its very beat up, and I want to get it running. It has a 338cc Yamaha engine that still turns over. I rebuilt the carb but the gas tank is rusty, so I have vinegar in it right now. It reads voltage at the spark plug wires but no spark when I test the plug itself. I’m stumped, theres not much information online and I don’t know where to go from here. If anyone can give me advice I would really appreciate it.