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Enduro Intake/Carburetion - 2 stroke Jetting, Reeds, Air Filters, etc. |
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Thread Tools | Display Modes |
#31
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My 06 300ec has that plastic idle screw also. I have it turned almost all the way in and the bike is just on the edge of an acceptable idle, not far from just dying out. I took the carb apart 3 times when I first got the bike (used) to try and find some trash in the pilot jet- its 100% clean but the bike runs like one that is plugged. The carb is also bad to start peeing fuel when stopped on the trail, I am always turning the gas off like I'm riding some 1976 Husky or something! I need to check the float needle to see what's up but been too lazy to take the carb apart again.
So I take it that others are also running this idle screw turned very far in? I got the idea from the first owner that this bike has also been a "shut the fuel off anytime you stop riding" sort of bike. Anyone else had this experience? |
#32
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Your float level is set too high, or less likely your needle valve is leaking. Most bikes with this carb come with it set too high. Fix this before any other jetting work.
The idle speed screw should not be in that far, as it lifts the slide and your now pulling fuel from the needle ckt making the pilot ineffective. |
#33
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Quote:
I know what your saying on the pilot, but I have checked and re-checked that thing. The bike has the LTR jetting and I have several extra pilots around, I have a new one the same number even, and it runs the same on all of them. I have also checked the passage as well as I can for some obstructions and could not find anything. I have been riding it for a couple a months like this because I gave up on it. It does idle but just barely and there is some adjustment left on the screw but like others said- anymore and it starts to idle too high, like you said its on the needle at that point. A new pilot has always solved this problem for me but not on this bike. Any other ideas? |
#34
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knobby I have an 06 300 and it never had a problem with gas coming out the drain tube ... my bike never idled very well unitl I leaned it out this summer
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#35
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Fix the float first, and make sure everything else is sound. If you can't get it close I'd try going to a leaner slide (#7 to #8) and trying again. The RBD head mod really helps clean up the 300 as well.
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#36
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I finally got my float level adjusted, got out last weekend on a big snowy trail ride in the mountains. No more fuel leaking out. I still think the idle is fairly different from any other bike I have had, but hey- it idles, and the bike absolutely runs fantastic. This was the first real ride where I could see what all the hoopla is about with this GG bike. The handling was so bad the last time I was out on it that I could not really appreciate the power quality. I had made a lot of changes on the suspension settings, dropped the forks in the clamps down to the caps and got a stock seat. These changes added up to put the handling in the ballpark for me. Still considering stiffer fork springs but it rode very good last weekend just like it is.
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