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  1. #1

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    High idle with brake on throttle back

    i have a redcat volcano 5v pro for some reason it idles extremely high when throttled back and brake on. linkage isnt hitting pull start handle. when observing carb it is not sticking in position. problem first started half way through a run. now it just idles high right off the bat. i tried adjusting idle to no avail. please help any suggestions apreciated.

  2. #2

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    RE: High idle with brake on throttle back

    how big is your carb opening?

  3. #3

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    RE: High idle with brake on throttle back

    the inside diameter is 8mm and the outside is 12mm

  4. #4

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    RE: High idle with brake on throttle back

    My revo did that after breakin
    had to richen up low needle to get idle right.

  5. #5

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    RE: High idle with brake on throttle back

    thanks i will give that a try

  6. #6

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    RE: High idle with brake on throttle back


    ORIGINAL: Shindermouse

    i have a redcat volcano 5v pro for some reason it idles extremely high when throttled back and brake on. linkage isnt hitting pull start handle. when observing carb it is not sticking in position. problem first started half way through a run. now it just idles high right off the bat. i tried adjusting idle to no avail. please help any suggestions apreciated.

    check and see if you idle is set to high for some reason, pull the air filter off and hit the brake and see where the car is set to, should be 1mm open,

    if its a high/uneven sounding idle it could be your low end needle is too lean.
    125 characters and 2 lines is not enough to list my RC obsession!!!

  7. #7

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    RE: High idle with brake on throttle back

    thanks for your reply - throttle looks like it is open at least 2-3 mm - will adjust it. Also I have been told gas is only good for 3-4 weeks - is this true?

  8. #8

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    RE: High idle with brake on throttle back

    no, fuel is good for alot longer if you keep it closed and in a cool, out of the sun place
    125 characters and 2 lines is not enough to list my RC obsession!!!

  9. #9

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    RE: High idle with brake on throttle back

    thats good news about the fuel. Should have asked before - how do you adjust throttle to close the gap ?

  10. #10

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    RE: High idle with brake on throttle back

    idle screw, counterclockwise to lower the idle
    Attached Thumbnails Attached Thumbnails Click image for larger version. 

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    125 characters and 2 lines is not enough to list my RC obsession!!!

  11. #11

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    RE: High idle with brake on throttle back

    thanks for picture - looks exactly the same as mine. I have tried turning idle screw counterclockwise still runs fast - is their a way to close gap in throttle. Looks like it rotates inside carb and there is still a 2-3mm opening when throttle fully backed off.

  12. #12

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    RE: High idle with brake on throttle back

    the trim knob on the radio may be set too high, its the small knob with th on top of it.
    125 characters and 2 lines is not enough to list my RC obsession!!!

  13. #13

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    RE: High idle with brake on throttle back

    have set trim and there is still gap 2-3 mm in carb. can this gap be reset? does it need to be dismantled? really appreciate your help

  14. #14

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    RE: High idle with brake on throttle back

    when you hit the brake, does it close? if not you have to turn the idle crew counterclockwise more.
    125 characters and 2 lines is not enough to list my RC obsession!!!

  15. #15

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    RE: High idle with brake on throttle back

    It worked ! (turning idle screw counterclockwise to close gap) truck runs better than ever now. Thanks very much for your help. You made my son's and my day!

  16. #16

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    RE: High idle with brake on throttle back

    excellent bro, i am glad it worked out and i was able to help you, now go have some fun with your son.
    125 characters and 2 lines is not enough to list my RC obsession!!!

  17. #17

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    RE: High idle with brake on throttle back

    how do you measure the gap in the carb

  18. #18

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    RE: High idle with brake on throttle back

    by eye
    125 characters and 2 lines is not enough to list my RC obsession!!!

  19. #19

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    RE: High idle with brake on throttle back

    ehroof,
    Do the redcats have a stop so you if you unscrew the idle screw the slide wont close all the way?
    my revo does and not sure if my redcat does or not?

  20. #20

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    RE: High idle with brake on throttle back

    no, it will close all the way.
    125 characters and 2 lines is not enough to list my RC obsession!!!


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