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Old 06-24-2006, 08:38 PM   #1
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Default Idle Adjustment Screw!?

I'm having some problems with my idle. I think I have the tune down correct but when I start it up sometimes it gets going and I have to tap the brakes to get it to idle normally again and other times it seems to run ok. I know where the idle screw is should I try adjust my idle and if so which way does what? I don't know if this has anything to do with it but also when I slam my brakes for 2-3sec it shuts down I'm not sure what to. Any suggestions thnx
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Old 06-25-2006, 04:29 AM   #2
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first make sure you open up your throthle when adjusting your idle so the needle doesnt bind ,and by what you telling us that it shuts down when you press the brake you have to turn it clockwise which increase your idle ,take of your aircleaner and make sure you have a 1mm to 2mm gap at the venturi opening when you apply the brakes fully this will help your car from shuting down when brakes applied.after you do this, your idle might be high sometimes ,so small adjustments to your low speed counter clocwise will make the idle go down a little and you should be set from there good luck and make small adjustmets at a time
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Old 08-28-2006, 09:07 PM   #3
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Hi, Regarding the needle setting, could you please let me know (and correct me if i'm wrong).

by closing the need (clock wise) your effectly leaning the air? which result in a higher idle? vise versa for anti clock wise..

I'm little confused but very keen to know since i'm having the same problem with my car. Very often i can run it for a little while and then it stalls immedietely. I've played around with the idle needle and it seems to help but i'm just doing things by random. any help would be greatly appreciated.

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Old 08-29-2006, 12:25 AM   #4
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Default tuning

turnig your needle screws clockwise leans out the fuel not the air. when you turn them clockwise the needles are going farther into the hole thus restricting airflow more. if you two are having the stall problems like you describe first make sure your motor is up to temp first. then adjust your idle leave it kinda high, not like you would set idle on a dirt bike, it would be a little higher than that. if you still have stall problems makes your lines are not cut in anyway and that the oring on your tank is not damaged. air leaks in these areas will cause stalling.

good luck,

also traxxas has a dvd that really explains tuning very well and it comes with the revo, maybe someone at your track could let you borrow it, of see if traxxas sells them seperate
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Old 08-29-2006, 03:01 AM   #5
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thanks for your responce, i wanted to clarify, if the engine stalling because its not rev'ed up enough (lower RPM while idle) then i should be leaning the needle (clockwise).

thanks for your help!
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