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still wont idle?

This is a discussion on still wont idle? within the Grizzly Dyno/Tuning forums, part of the Grizzly Forums category; i tried everything guys, moving the needle cleaning everything out everything quad still wont idle??...


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#1
04-30-2011, 06:26 PM
still wont idle?

i tried everything guys, moving the needle cleaning everything out everything quad still wont idle??
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#2
05-01-2011, 12:02 AM
What have you done?
Did you check your valves?
What about the clearance on the float needle?
Just throwing some out there.
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#3
05-01-2011, 09:05 AM
not the valves but we checked the float level its a little high but if it was too high then it would make gas come out the overflow.but idk what else to try
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#4
05-01-2011, 09:09 AM
Is it just idling low and dieing or is it sputtering?
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#5
05-01-2011, 07:29 PM
its just dying. 1/4 throttle its sputtering real bad but after 1/4 throttle it runs like a beast. idk what it could be. me personally like u said i think its the valves not opening up all the way or the top end is all loaded up from the carbon. the valves havent been adjusted since 99
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#6
05-01-2011, 07:48 PM
What do you have your air/fuel mixture screw at?
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#7
05-01-2011, 08:15 PM
i turned it back and forth from all the way open to closed completely. the factory setting is 3 1/2 out from all the way in. it kept the idle for about 10 secs and seemed like it was loading up. i put a new plug in it set it back to stock needle and jet settings cuz i had a a size and a half bigger but it was running really rich. also it is blowing a little tiny bit if black smoke but idk how when its stalk settings. im buying a new carb breather filter and air filter to see if that clears it up. but i have no idea what it could be. my mechanic that build my race quad said thats wild if its doing that. he really cant figure it out. he cleaned the carb made sure the float was right and pilot jet was cleaned everything. the float is a little high but if it was too high it would push the extra gas threw the overflow hoses.
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#8
05-01-2011, 08:20 PM
Take your air box lid off and run it to see if it clears up.
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#9
05-02-2011, 12:55 AM
Man the problem is inside your carb and nowhere else. Why do you say this?: "the float is a little high but if it was too high it would push the extra gas threw the overflow hoses"
If the fuel level is too high it WILL NOT idle right. You have no hope of it idling right if it isn't correct
Set it to SPEC!
Fuel level too high= black smoke, runs rich, won't idle!!!!

If it still won't idle after setting the fuel level CORRECT then you have crap in the pilot jet or your choke plunger isn't closing all the way and fuel is being pulled through.
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#10
05-02-2011, 09:17 AM
I once had a problem where a motor wouldn't idle. It turned out to be a small piece of gasket material under the idle screw needle. Once I blew itout thoroughly, the motor ran fine.
Have you blown compressed air through the carby orifices?
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#11
05-02-2011, 03:23 PM
yea i have. i cleaned it all out the pilot jet main jet eta. and that what was this guy said that rebuilts motors for a living. i asked him but idk.
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#12
05-02-2011, 03:31 PM
would anything electrical make it not idle or sputter like it is?
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#13
05-02-2011, 04:56 PM
No, like I said it's in your carb and you start by setting the fuel level to SPEC. Just because you went in the carb one time, that means nothing. Maybe you'll be in there 5 times before you get it right.
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#14
05-02-2011, 08:19 PM
ok well idk thats why i asked. im pretty sure it has to do with the float level but i thought it would of came threw the bottom lines on the carb if there was too much in the bowl. but im goin to clean it out one more time set the float to SPEC put a new air filter cuz i need one no matter what and a new carb breather filter and if it doesnt clear up im taking it to the dealer. im takin the top end off soon because i want to put a new piston rings and port/polish the ports.
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#15
05-02-2011, 10:15 PM
JMO, but I would put the A/F screw at 2 - 2 1/2 turns out. 3 1/2 is a little too much. And I dont know how bad your air filter is but if its really plugged up that will cause it too.
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