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Enduro Intake/Carburetion - 2 stroke Jetting, Reeds, Air Filters, etc. |
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#1
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EC125 - base line jetting
Hi,
I have a 2013 EC125, and it's carb is all over the place. I couldn't find here any information regarding this model. Can someone recommend a base-line jetting so i'll have a starting point? I'm riding at about sea level, at temperature of around 20-30 degrees Celsius. Thanks! |
#2
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no one owns a 125?!
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#3
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EC125 - base line jetting
Pilot jet 50
Main jet 188 Needle n1eg Air screw 2 turns out Winter Pilot jet 55 Main jet 195 Rest remains the same Plus minus individual settings
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4 strokes are only good for power generators |
#4
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Thanks, I'll try that!
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#5
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So reading those settings, is it a rule of thumb that the smaller the engine the fatter the jetting?
Only reason I ask is that I went leaner when I converted the 300 to a 250..
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02 300ec- 50mm Marzocchi cc forks, 2010 plastic. Now a 250cc. |
#6
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Yes that's right, small engines require a rich jetting! But only when using the same carb size.
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4 strokes are only good for power generators |
#7
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A smaller engine does not run fatter, it just needs a bigger jet to obtain the same mixture compared to a bigger engine. I guess this is due to the lower cylinder volume creates a lower gas velocity thru the carb.
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Anders "So you know, that you're over the hill when your mind makes a promise that your body can't fill" (Little Feat: Old Folks Boogie) 2015 EC200 Racing: TE bars, Rekluse Core Exp 3.0, 38mm Lectron & Ohlins S3 steering damper 2006 EC200: 2011 plastics, Rekluse Z-Start, revalved KYB forks & Scotts steering damper 1998 Bimota Supermono 1986 Duc Mille S2 1975 Guzzi sidecar hack 1961 Morini Corsaro 125 etc |
#8
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That's right!
Ans I don't meant that the engine must run fatter, I just mean the jetting compared to bigger engines. Less air flow in the carb requires bigger jets to gat the same amount of fuel through.
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4 strokes are only good for power generators |
#9
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If you get tired of jetting the 38mm you can always drop in a kx125 35mm PWK carb and be finished. In my opinion a 38mm is too large for a 125 woods bike. This posting provides more details.
http://www.gasgasrider.org/forum/showthread.php?t=17919 |
#10
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I never had any issues with my PWK38! And since I have build it up to a 144cc I doesn't even think about my carb. I my opinion it works great, but I am more riding on motocross track or fast enduros. In Germany riding in the wood is not legal.
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4 strokes are only good for power generators |
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