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jetting 04 525 exc

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I purchased the jetting kit and jetted it for the sea level specs. It still pops on decelleration. It used to pop really loud but now it is softer but i know it is still not right any ideas out there thanks don 😢

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If you have indeed jetted the carb according to JD's directions, it will be plenty rich enough. If there are any exhaust leaks, backfiring will occur regardless of jetting. Hi temp silicone seal will stop most popping at least temporarily. You might try richening the fuel screw (counterclockwise/out) another 1/4 then 1/2 turn and raise the idle speed a little.

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Don, I just fixed mine tonight. The best way to keep the bike from popping on decel, is to richen your pilot(idle) jet. The stock jet for my '05 was a 42. I went to a 46 and it cured the problem. You might be able to fix the problem by fiddling with the fuel screw, but mine just wouldn't stop the popping no matter how much I messed with the fuel screw. Try the pilot jet. I think you'll be happy!! Chuck 😢

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