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KTM 250 XC Jetting

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I have a 2012 KTM 250 Xc and I need help with jetting my carburetor. My bike has FMF fatty with stock silencer what is the best jetting set up?

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I have a 2012 KTM 250 Xc and I need help with jetting my carburetor. My bike has FMF fatty with stock silencer what is the best jetting set up?

 

Your numbers will vary depending on your location (Elevation and air temp/humidity) but here's what I currently am running.

N8RJ #4

38 Pilot

165 Main

1.25-1.75 Air Screw

2013 250xc-w

FMF Turbine core 2.1

I use Amsoil Dominator @50:1 with premium pump gas (91-92)

Bike runs great, slight gurgling off idle but not enough to bother me and spooge is very minimal.

I'm at >3500ft and temps from 50's in winter to 110+ in summer. Mostly dry air.

Will be adding a FMF Fatty this weekend so these might change a little.

Good luck.

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