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Ltz400 sputter help

164 Views 2 Replies 3 Participants Last post by  jhamilton19
i have a 2004 ltz400 that rides fine for about 30 mins, but then it starts to sputter, backfire, bog & die. Plssss help
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I would check for a fuel restriction first, from the petcock. Make sure the gas cap is venting as well.
Possible coil getting hot and quitting. I’ve had cdi boxes go bad and act like that too. Only way to test that is to swap to a known good cdi and see if it does it anymore.
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