'98 Road King idle speed adjustment

Discussion in 'Engine, Fuel and Exhaust' started by Swede Ware, Apr 4, 2012.

  1. Swede Ware

    Swede Ware Member

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    My engine has started ideling up and down, whether cold or warm. My normal idle is around 750 but it will run up to 1100-1200. Popping the throttle will not change this. I think the adjustment is on the backside of the throttle body? Also, I believe the neccessary tool is a long T-40 Allen. I can't see or feel any place on the backside to do the adjustment. The engine is an EVO with a Stage 2 and an Arlen Ness "Big Sucker". Any and all info and advise will be appreciated. Hope to fix this without a trip to the Dealer!!! I looked at other posts but nothing goes back to "98.
    Thanks, Swede
     
  2. BUBBIE

    BUBBIE Well-Known Member

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    On my 97 fxds evo... Thinking back, it was a Screw adjustment right where the throttle cables come together in a bracket..

    To ME 750 is too low, I would up it to no less then 950 idle rpm IMO and Harley's too.. Reasoning: is the oil pressure will Increase at a faster idle, also the electrical will charge better at that faster idle..:newsmile055:

    Yes, they do Sound good at the "Low Idle" and IF that is what you want so be it.

    Could also be a dirty/debris in the carb, IF carbed? Or a vacuum leak

    signed....BUBBIE
     
  3. tourbox

    tourbox Senior Member

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    Bubbie is correct on a carb'ed model. If it a Marrelli(sp) unit it is different.
    You need a T10 if I recall from my '99. There is a cold & a warm adjustment.
    Abit more complicated
     
  4. Swede Ware

    Swede Ware Member

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    Sorry, I stand corrected...the idle was 850! Also its an injected model
     
  5. HDDon

    HDDon Experienced Member Contributor Retired Moderators

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  6. Jack Klarich

    Jack Klarich Expert Member

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  7. Hoople

    Hoople Account Removed

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  8. Swede Ware

    Swede Ware Member

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    [QUOTE=Jack Klarich;452643

    Thanks Guys! The one link, the PDF has been dropped. But I looked into the other sites and they have given me a direction to head.
    Appreciate all the info and help!!!!
     
  9. R. Lewis

    R. Lewis Senior Member Retired Moderators

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    This PDF has been removed or dropped??
     
  10. Bodeen

    Bodeen Well-Known Member Staff Member Moderator Contributor

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