WOW. Thats all i can say. Scary, WOW. 3 months ago we all agreed the Edelbrock was the single best mod one could do for the bike. Now we all agree that it has design flaws and we should keep our stock carb. This is the strangest thread i have ever followed on TT. OldManTime didnt set his Edelbrock pumper correctly, his ignorance about the product was the problem--not the carb itself...but now we are all saying its a horrible product and canceling orders? Yeah OK so a couple riders have had hiccups. Edelbrock has the best customer service on the planet. Period. What say you to that? Send it back to them and they will check it out and rebuild it if necessary--FOR FREE. No Questions Asked. What say you to that? Its a carb--not a plastic fender or some other easy to make thing. Only your bikes front suspension is more fickle than a carb. Any carb. In the last year i have bought: valves that where out of round, fork springs that where of un-equal tensions, a tank that rubbed, a computer that fogged up and then stopped running, and a cable that snapped after 10 minutes of use. I didnt rag on ANY of these companies--they where all cool with me and replaced the parts. Stuff like that is going to happen. But none of these companies was a great to deal with as Edelbrock. Period. You guys are dumb. Thats all i can say. You dont know what you are talking about. Somehow i mean that respectfully--i really do--i just dont know how to sugar coat it. The Edelbrock carb is a break-thru design in carburation. It is ALMOST as reliable as a tank--and a hell of a lot more reliable than the 30 year old design of the Keihin. It is externally adjustable. It imporves the bikes fuel economy a good 20% or so. It improves off-idle response It self adjusts for altitude changes. It has a fuel cell and wont flood-ever. It will run on its side, or upside down for that matter. It gives 1+ more horsepower to the motor. It is made by hard working, dirt bike racing guys right here in the USA. How anyone could say the Keihin or the Mikuni are in any way in the same league is beyond me. You ever try re-jetting your Mikuni on a ride from 4500ft to 9,678 feet....i.e. from Mikes Sky Ranch to the Observatory? Your bike wont run up there...but my Edelbrock carbed bike will! Ever try kickstarting your bike after stalling it going up a rooted, muddy, rocky trail? The Keihin WONT start on a steep hill....my Edelbrock will start 1st kick! You guys are acting like lemmings...one guy didnt know what he was doing--blames the carb, and now everyone is following him and running off the cliff. Its like the Salem Witch Trials. Crazy. Again--go call Jason at Edelbrock if you have concerns or issues. I drove over and saw him yesterday--had my carb rebuilt for the Dakar. Guy was awesome. Knows his shiite. Unlike some of us... Now if you guys want to trash the CRF250X...well... Respectfully, Mike Mike, My settings have nothing to do with the fuel valve sticking closed. Nor does it have anything to do with the other riders who have experienced the exact same problem with no satisfactory resolution. I sent my carb in and so have others with this same problem. Our fuel shut off valves continue to stick closed. The only thing that settings may have anything to do with is carb performance and I have never complained about the Edelbrocks performance. Neither has anyone else in this thread. We all like the way the carb performs. The valves keep sticking closed and its not because of gunk. Im am going to post some pictures of my first shut off valve that stuck closed. This valve has not been cleaned up in anyway. I simply took it out of the carb replaced it with a brand new valve that Edelbrock mailed me and threw this old one in a dresser drawer. It is not gunked up. Mike, we all have a similar problem here. I hope Edelbrock does not trash us and ignore what were saying the way you just did. We are not lemmings, we simply have a common problem with the QS carb and it has not been resolved and no amount of settings will Stop the valve from sticking. Mike if a needle setting will stop my valve from sticking please inform me of the setting. If the pumper spray time will stop my valve from sticking please inform me of the setting that will fix it. We all will use your miracle settings to prevent our valves from sticking and be happy. The fact is our problem has nothing to do with needles settings or spray timing. Those are performance settings and we are not having performance problems. Those settings will be of no value if the carb can't get any fuel. That is our problem. The carb can't get any fuel due to the valve sticking closed. You almost sound like a company rep more afraid of losing sales than admitting the problem and then resolving it for us. I have never trashed the Edelbrock company. Maybe you should reread the threads. We just feel that dealing with Edelbrock individually has not resolved the problem. They keep replacing bowls and valve seats and valves but that is not fixing our problem. Edelbrock was very easy to deal with I never suggested they were not. But perhaps a group action will cause them to look a little deeper and find the cure. I find your chastising rude and uncalled for.