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Will not idle - Is the hot-start the issue?

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My '03 WR250F fires up just fine, but simply will not idle. If I give it a little throttle and the release it, the exhaust pops badly which would seem to mean that it's very lean and then dies. Never had this issue before. I have had the carb off, cleaned out the jets and also replaced the hot start plastic cover with a zip-ty metal one since the old pastic one was stripped. The zip-ty fuel screw seems to have all of the important parts, o-ring, metal ring, spring so I'm a little lost at this point. Could it be that the hot-start is not seating properly? I can take another look at the pilot jet and make sure it's clean. Any other thoughts that might help...?

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Did you have the slide out? If so, did the vacuum plate get put in square side down? Does your hot start cable have some free play? New fuel screw? A little more info:thumbsup:

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Did not have the slide out. I'm going to take another look at the hot start and fuel screw. Thanks.

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