bike not running right

2274 Views 16 Replies 12 Participants Last post by coopi, Mar 21, 2007

mgttrmn

Discussion Starter · Mar 19, 2007

My brother has a 1200 harley sport custom. (shoot me later for bringing up a harley question:harder: :spank: ) the engine will be running fine and then start running like crap, and then die. after a few minutes it will fire up and run a couple of miles and do the same thing again. we replaced the coil and still does same thing. could it be electronic ignition?

any help is apreciated and thank you in advance.

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mscales

· #3 · Mar 19, 2007

RR has it right I think. Sounds like a vaporlock. Also check the vent lines. Not sure what year but some older ones vent through the cap.

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