Question about 2003 Harley Davidson XL 1200 C Sportster Custom

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Starts when cold an runs till it warms up then just dies what is the cause

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Hi Chester, have you tried looking for snipers just before it dies lol Seriously, it's either fuel or electrical. Let's start with fuel, here is a short list of usual suspects: gas cap not venting properly, clogged fuel filter, vacuum line to fuel valve cracked, kinked fuel line or colapsed fuel liner, contamination in bottom of float bowl, low speed jet clogged, enrichner malfunction. Now for electrical: Loose and or corroded battery cables, poor negative cable ground, poor battery voltage, major ignition components need 9 volts to function, spark plugs, spark plug cables, ignition coil, ignition module, CKP sensor. If your engine spits and coughs when its dies try spraying brake kleen or WD-40 around intake manifold to head and intake manifold to carb, if RPM's increase you have a leak and seals need to be replaced. Try retrieving any trouble codes that may have been generated because of this issue. If you need assistance there is a website below that will help walk you through it. Also a website for downloading (highly recomended) a factory service manual for $5.50
http://donscycleware.com/hadaspercoan.html
http://harley.manuals.cc/
Good luck

Posted on Apr 26, 2015

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Cold blooded


Hello
Welcome to FY
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