I had an issue with a LCT carb on my Husquavarna machine. It would fire off but when coming off of choke it would die out. I ended up changing the carb with another but would like to have a spare in reserve (I can order out a repair kit if so). I was thinking of letting it sit in a container of white vinegar for a night or two. I would then shoot all openings with carb cleaner and blow out with air. The part that worries me is that it has plastic pieces installed from factory that will not come off. Worth doing or not? Thanks all!