2000 MXZ 700 problem after warm-up - HCS Snowmobile Forums

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Old 10-20-2011, 10:21 PM   #1 (permalink)
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Default 2000 MXZ 700 problem after warm-up

Machine starts up 2nd/3rd pull like always and runs great until it's warmed up, then it seems to lose power, little bit of stutter and will bog. Any idea's before I start tearing it apart and totally screwing things up.........gas is good and plugs are fine.Idle doesn't really change, just won't work right once warm.
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Old 10-21-2011, 07:43 AM   #2 (permalink)
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Quote:
Originally Posted by crowdad View Post
Machine starts up 2nd/3rd pull like always and runs great until it's warmed up, then it seems to lose power, little bit of stutter and will bog. Any idea's before I start tearing it apart and totally screwing things up.........gas is good and plugs are fine.Idle doesn't really change, just won't work right once warm.
perhaps your choke is stuck open
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Old 11-10-2011, 06:44 PM   #3 (permalink)
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Took the carbs and boots off, boots are cracking pretty bad on the underside but I don't think it's thru. Choke seems fine, at least manually.
Going with the Boyesen Rage Cage and try again. Glad I caught the boots before a bigger problem came up.
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Old 11-19-2011, 09:22 PM   #4 (permalink)
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Boots may have caused your issue. Bolt in the boyesen's and report back. Make sure they are air tight and airbox clamps are secure.
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