Yoder's Variable Displacement Damper is another unique feature: Essentially, it's a metal plate that may be moved from left to right along the lower smoke box. Positioned all the way left, it concentrates heat directly over the fire pot for conductive searing with optional aluminum GrillGrates. Move it back to the right for even heat across the entire smoke box. Yoders are sold primarily through independent retailers. 

The biggest cleanup issue is the buildup on the heat deflector under the cooking grates. You'll need good gloves and an apron. On most models, a thorough cleanup means a 30 minute process of taking out the greasy grates and the gooey deflector plate, scraping them and washing them. You should do this when the carbon and grease cover the deflector plate. Stainless parts can go in the diswasher, but I wouldn't do it. That grease is like tar and it could get all over the insides of the dishwasher and hang on for dear life. I use a handheld steamer like the Steamfast SF-320 Portable Steam Cleaner shown here.
My wife and I were one of the first buyers of the YS640 in 2010. We had owned a couple of gas grills that, of course, eventually rust out. My wife saw the YS640 at the Kansas State Fair and called me and said that I HAD to look at this smoker! At first, the smoker had many problems--inaccurate temps, huge swings in temps, etc. Don and Joe kept working on the problems and installing updates--never charging us for updates or service calls. Finally, in about March of 2011, they installed the update that really was the solution. Since then, the YS640 has been a consistent workhorse that does everything as advertised. Built like a tank. built to last. Don and his staff stuck by his product and by his customers. In this day and age, customer service is uncommon. By the way, I thought the YS480 would have been big enough, but my wife said, "our family isn't getting smaller,".....I'm very glad we got the 640 and the second shelf. I have needed it many times. Thanks Don!
Compared to the Traeger Pro and the other smokers we’ve reviewed, there’s not much not to like about this bad boy. It’s significantly cheaper, packs ample cooking space, and a good, consistent temperature controller. At 173 lbs, it is quite heavy, and not at all portable like the Davy Crocket, and we’d love to see it come with more precise temperature control, and maybe even WiFi in the future. But for the price, it’s a beast of smoker that is almost as good as the Traeger.
Bake, braise, grill, smoke, and sear – all of these cooking techniques can be fully experienced by just using one unit of backyard cooker! Yes, you can definitely do different kinds of cooking to your pork, beef, fish, pizza, or pie by just using the Camp Chef Smokepro STX Pellet Grill without burning charcoals and woods to start the cooking process.
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