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Buell Forum » Knowledge Vault (tech, parts, apparel, & accessories topics) » Troubleshooting (Poor Starting/Running/Handling/Ride Issues) » Archive through May 25, 2007 » Lack of power under full throttle « Previous Next »

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Firebolt_owner
Posted on Friday, April 13, 2007 - 11:57 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

I have a 2003 firebolt xb9r. it has an aftermarket exhaust but not sure which design because i bought the bike with it on. when i ease the throttle[half throttle] the bike responds accordingly with full power. when i extend the throttle to full[wide open throttle] the bike bogs down and looses all its power. this problem happens in any weather/ bike condition, cold, hot, in any gear at any rpm. I am thinking that this is maybe an air fuel ratio problem or fuel delivery kind of problem. does this bike have a MAF sensor or is it a speed density system with a MAP sensor? Do i need to re-flash the computer because of the aftermarket exhaust? any ideas would be appreciated. thanx
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Ricochet
Posted on Sunday, April 15, 2007 - 05:13 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Ryan,
Try resetting the TPS, or Throttle Position sensor. You can use the search engine on here to find out more. Options include the dealer, a local badweber with a VDSTS, or you could buy your own from AmericanSportbike.com A search for TPS reset Minnesota may lead you to a local that's willing to help out.
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