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#1
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Riding at elevation and cold temps - jetting suggestions?
I am racing my '14 XC300R in an enduro up in north Texas this coming weekend. The terrain is at about 3000', whereas I am at sea level here in central Texas. Also, the temps could be in the high 30's/low 40's.
Wondering how these two factors might affect jetting and if it's something I need to be concerned about. I currently have a JD Jetting kit in it that is set up for sea level. Should I consider an alternate spark plug (hotter perhaps?) or a different octane level of fuel? Thanks, Slade
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Slade '14 GG XC300R - County Cycle Woods Weapon #63 |
#2
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Quote:
I always left mine alone.
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15 Beta 300RR Race Sold KTM 450EXC now moving over to RED! Looks like I found the right bike. Thanks REVERUP! 2011 GasGas EC300 "Stolen By A Scum Bag" 2009 450EXC Sold to Rapid Dog EURO Factory Anti-Hop slipper clutch, GPR V4, Akropovic Full Ti Exhaust, 2013 suspension and wheels. 2009 300XC 2005 525 MXC 2000 WR 400 1996 XR 600 1987 CR500 1990 KX500 |
#3
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I've run stock spark plugs and pump gas up to 13,000 feet in my 2012 and it runs fine. If anything you'll be a little rich so you should be okay.
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#4
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Adding to what the guys said, you might want to just adjust the a/s a little and if she's blubbery, a notch on the needle.
I usually ride in the 1-3k range in the coast and only adjust the a/s when I take her up to 5-6k at Gifford or over in China Hat; maybe a notch on the needle if the temps are drastically different. |
#5
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fwiw
my ec300 hates this oxygenated fuel [I think that's what it is, not sure. it smells bad] loss of power, poor performance everywhere. I run race fuel and its back to being mr. wonderful
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2002 Husberg FE650e 2006 GasGas EC300 2014 Sherco SER300 2014 Beta Evo Factory 300 |
#6
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I've always fed mine whatever was available so I don't know the difference. Runs fine as far as I know but maybe ignorance i bliss
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