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Author Topic: Idle screw backed out all the way- bike still runs!  (Read 366 times)

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Idle screw backed out all the way- bike still runs!
« on: September 04, 2013, 01:54:45 pm »
I was fiddling with one of my '86s trying to get it to idle correctly and I noticed I backed the idle screw all the way out and it was still idling.

Air leak?
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Re: Idle screw backed out all the way- bike still runs!
« Reply #1 on: September 04, 2013, 02:33:34 pm »
Was it the brass air screw or slide  height  adjustment.
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Re: Idle screw backed out all the way- bike still runs!
« Reply #2 on: September 04, 2013, 02:42:58 pm »
How tight is your throttle cable? Could be its adjusted all the way and then some and is causing the slide to not drop all the way
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Re: Idle screw backed out all the way- bike still runs!
« Reply #3 on: September 04, 2013, 02:45:59 pm »
Quote from: LT250RWV on September 04, 2013, 02:33:34 pm
Was it the brass air screw or slide  height  adjustment.

Slide screw
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Re: Idle screw backed out all the way- bike still runs!
« Reply #4 on: September 04, 2013, 06:22:44 pm »
How high is it reving.mine would run if I had it to lean.
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Re: Idle screw backed out all the way- bike still runs!
« Reply #5 on: September 07, 2013, 11:29:03 am »
Hard to say. Definitely above idle though
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Re: Idle screw backed out all the way- bike still runs!
« Reply #6 on: September 07, 2013, 01:34:18 pm »
Try a fatter pilot or drop the clip on the needle to make it richer. If you have slide block height right and cant back down the idle with air screw your going to have to change the jetting or do a leak down test. Go to tech section and read Carl Bartletts  jetting post if you do what he says you will get your jetting right.
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91 Lt250r Bartlett port and head mod v force 2 Hinson Clutch Basket Cool Head Scp Pipe and silencer ,KN air filter ,EBC clutch, Ohlins  Triple rate Shocks Redone by PEP Shocks,Stock Rear Shock Redone By Pep Shock,  DG nerf Bars , Lonestar axle 2+2,Lonestar Swingarm ,Douglas Red Label rims.

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Re: Idle screw backed out all the way- bike still runs!
« Reply #7 on: September 07, 2013, 02:16:23 pm »
How may turns in should the stock slide height be?
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Re: Idle screw backed out all the way- bike still runs!
« Reply #8 on: September 08, 2013, 08:35:53 am »
1/16 of a inch. Then you do everything with the pilot and air screw. Between 1 and 2 turns out on the air screw. I run 2 when its hot out and turn it in when it get cooler.
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91 Lt250r Bartlett port and head mod v force 2 Hinson Clutch Basket Cool Head Scp Pipe and silencer ,KN air filter ,EBC clutch, Ohlins  Triple rate Shocks Redone by PEP Shocks,Stock Rear Shock Redone By Pep Shock,  DG nerf Bars , Lonestar axle 2+2,Lonestar Swingarm ,Douglas Red Label rims.
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