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


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  #331  
Old 05-31-2020, 06:42 AM
Gez Gez is online now
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Ok, just back from another ride today. Chased my tail on the PJ. I had a strange high idle in neutral once warmed up, I used the airscrew to knock the rpm down to a more reasonable level. Once this was done the bike had no lug or guts down low. I'm guessing I need to move up to a 42PJ to cure this.
Let me know your thoughts.


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  #332  
Old 05-31-2020, 08:25 PM
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Jakobi Jakobi is offline
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Originally Posted by Gez View Post
Ok, just back from another ride today. Chased my tail on the PJ. I had a strange high idle in neutral once warmed up, I used the airscrew to knock the rpm down to a more reasonable level. Once this was done the bike had no lug or guts down low. I'm guessing I need to move up to a 42PJ to cure this.
Let me know your thoughts.
How cold is it Gez.. A half clip richer on the needle could help too.
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  #333  
Old 05-31-2020, 10:21 PM
Gez Gez is online now
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15 degrees down here.
I've got 3 days of sand riding up in the desert next weekend. I'm thinking the extra fuel couldn't hurt
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  #334  
Old 06-14-2020, 11:30 AM
JesseeS JesseeS is offline
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Just wanted to add to the database. Found a lot of things up on my bike that could have made my jetting the way it was. When I received the bike the jetting was 175 45 CEK 2nd clip. Wasn’t running quite right. Checked the reeds and one had a crack, and also they PO installed the cage in offset so 1/3 of the intake was blocked. Once fixed I couldn’t even get the bike to start. Kept the 175 main swapped to a 42 and NEDJ 3rd clip. Bike started after multiple attempts. Ran it down the road and it crackled and sputtered everywhere, main running lean.
As it sits
Sea level
70F
NEDJ 2nd clip
175 main
42 pilot
AS 2.5 turns out

I just purchased a 180 main, and a 40 pilot. Going to install those and see how she runs and adjust the clip accordingly
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  #335  
Old 06-14-2020, 02:10 PM
Doc Brown Doc Brown is offline
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What bike?
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  #336  
Old 06-14-2020, 03:36 PM
JesseeS JesseeS is offline
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What bike?
2011 EC300 six days After reading a lot of the info out there I?m going to double and then triple check my float height. I faintly recall setting it at 18 and read it should be between 14-16. Going to check
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  #337  
Old 06-14-2020, 05:58 PM
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Jakobi Jakobi is offline
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Originally Posted by JesseeS View Post
2011 EC300 six days After reading a lot of the info out there I?m going to double and then triple check my float height. I faintly recall setting it at 18 and read it should be between 14-16. Going to check
If it's a 2011 with the ASII carb with the flat cap mounted by 2 M5 bolts (not the round screw on carb cap), then the float level should be 6.5-7mm

The 16mm height is from the older carbs that had deeper bowls. See the sticky in this section.
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  #338  
Old 06-14-2020, 06:21 PM
JesseeS JesseeS is offline
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Originally Posted by Jakobi View Post
If it's a 2011 with the ASII carb with the flat cap mounted by 2 M5 bolts (not the round screw on carb cap), then the float level should be 6.5-7mm

The 16mm height is from the older carbs that had deeper bowls. See the sticky in this section.
I have the screw type cap ASI
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  #339  
Old 07-18-2020, 04:54 AM
Gez Gez is online now
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2 degrees this morning. Warmed up to 13 degrees.

42 PJ
175 Main
AS 2.0 out

Big change from 42PJ 1.5 turns out. Snappy, idles like a dream even from cold. Even didn't spooge much, mostly tech single and 2 track.Happy for this to be my winter go to now. I'll just change to a 40PJ in summer if needed.
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  #340  
Old 09-02-2020, 07:52 AM
Doc Brown Doc Brown is offline
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New favourite setting!

GasGas EC 300 - 2019

Main jet: 172
Pilot jet: 40
Needle: NECH
Clip position: 3 from top
airscrew: 1.75 turns out from seated
Gas: 100 octane premium gas
Mix: 50:1 Fuchs Titan S100 Racing Oil
Altitude: 600 to 800 feet
@ 70 F
GP cylinder head
stock exhaust
9mm float height
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