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Sportster Models 883, 883 Custom, 1200 Custom, 883L, 1200L, 1200S, 1200 Roadster, XR1200, and the Nightster.
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Old 02-26-2012, 04:12 PM
100yr_itch 100yr_itch is offline
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Join Date: Feb 2012
Location: nor cal
Posts: 75
Default altitude jetting ?

hey all...I bought the harley performance stage 1 carb kit.I have a 2003 883 custom I live in calif so am asumeing its a calif bike.I have rush slip ons comming with 2 1/4 baffs.I also plan on the ness stage 1 big sucker. my question is I live at 4200 feet altitude.the kit comes with 2 of each jet if you have used this kit and live at this alt. what jet combo did you use?....thanx
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Old 02-27-2012, 09:21 AM
John Harper John Harper is offline
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Join Date: Dec 2011
Location: Carlsbad
Posts: 1,937
Default

You want to run leaner at higher altitudes, due to the decreased amount of oxygen as you ascend. California bikes come jetted leaner, so maybe start with the smaller of the two jet sizes for each jet (pilot and main).

4200' isn't that much of a difference, so you should have no issues. Maybe if you lived in Mammoth at 8000' would be an issue.

John
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Old 02-27-2012, 09:21 AM
 
 
 
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altitude, davidson, harley, high, jets, jetting, rejetting, shovelhead, sportster


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