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Enduro Intake/Carburetion - 2 stroke Jetting, Reeds, Air Filters, etc.


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  #1  
Old 10-14-2015, 07:30 PM
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12Bravo 12Bravo is offline
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Default Need advice While I learn

This is what I have;
Throttle Slide #7
Main Jet Unknown
Pilot Jet #35
Needle: N1EC

This is what is happening, sluggish on the bottom but hits hard 1/2+ throttle.
Throttle off idle 0-1/4 is ok, but not super crisp.
Have to turn the idle screw in to keep idle in N and in Gear. N idles high in gear idles slow, really slow sometimes stalls.
Throttle 1/4-WOT seems to be good.
Location: 1200' up to 3500' elevation temperature now in the 60-70 degrees F.
What I am looking for, more Bottom end and less top end. Slow trails and beginner rider, I don't need crazy top end!

Gearing is 12/48, plan to get a 13 and leave the 48 on rear, unless you all say that's no good. The bike seems to be set up for the track, I want to set it up for trails.
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Old 10-14-2015, 11:14 PM
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Ditch the 12 cs sprocket, opt for a13/50 or 51. 12 cs is a little tight, promotes unnecessary chain wear on the slider.

Try a 40 pilot, play the the needle clip, pull plug checks......I'm jetted "fat" on the bottom for less hit, more grunt.

The main 178?? Just a guess......
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Old 10-14-2015, 11:18 PM
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Quote:
Originally Posted by Rick View Post
Ditch the 12 cs sprocket, opt for a13/50 or 51. 12 cs is a little tight, promotes unnecessary chain wear on the slider.

Try a 40 pilot, play the the needle clip, pull plug checks......I'm jetted "fat" on the bottom for less hit, more grunt.

The main 178?? Just a guess......
Thanks, That is kind of what I am looking for. A starting point that I can work from.

With my Main not having any markings on it, I don't know where I'm at.

Plan to get a sprocket and jets tomorrow if I can find locally, if not will order them.
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Old 10-15-2015, 12:19 AM
swazi_matt swazi_matt is online now
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Also try a nedj needle. It has smoother power

I started with 13/48 and changed to 12/48 and then went 13/51. I am now going to change back to 12/48 as the bike handles a bit better with the longer wheelbase and I prefer the 12/48 and 13/51 over stock for climbing. Often using second to climb
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Old 10-15-2015, 11:35 AM
Jacob 'Berg Jacob 'Berg is offline
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Quote:
Originally Posted by swazi_matt View Post
Also try a nedj needle. It has smoother power

I started with 13/48 and changed to 12/48 and then went 13/51. I am now going to change back to 12/48 as the bike handles a bit better with the longer wheelbase and I prefer the 12/48 and 13/51 over stock for climbing. Often using second to climb
Not sure about the 200 displacements, but the NEDJ and NEDW needles are typically too lean on the ASI screw top carb.
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Old 10-15-2015, 12:41 PM
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Just put the 178 Main and 40 Pilot in. Started with ASO 1.5 out and the Idle screw 1.5 out.

I had to pull ASO another .5 out and Pull the Idle screw .25-.5 out to get to idle.

I did what I found on a link, put in 3rd with throttle just open....Blipped it and it goes Bwwaaahhhaaaa....
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