Question about 2005 Harley Davidson FXD - FXDI Dyna Super Glide

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Motor bogs out when i pull throttle

The motor bogs out when im passing someone on the freeway seems like to much gas. i changed fuel filter and O2 sensor i have a 2005 dyna glide

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First when you say it bogs, does the motor stutter or does it just go flat? A very good test to determine if the problem is to much fuel or a lean situation is while riding get in top gear with a load on the motor at full throttle. Slowly roll out of the throttle about 1/8th throttle and see if the motor picks up RPM's. I'm suspicious that you may possibly have a plugged air filter or perhaps something blocking the air inlet. Does the bike get worse fuel mileage? Have you checked the valve clearance lately? Tight valves are notorious for the problem you are having. Please contact me with test results and I can further diagnose your problem. I'm confident we can resolve your problem as soon as we determine which direction we need to go.

Posted on Nov 30, 2008


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