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Old 09-22-2010, 01:30 PM   #1 (permalink)
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sportster wont start :(

Ok, first a little background. Ive had a on and off issue with my bike dumping gas on the ground after it has sit for a day or so. This might happen once every couple weeks. Id just turn the gas off, run it til it dies and then restart.

Not my issue at the moment but, i think its related. 2 days ago i was headed home from work and hit 4th and started sputtering and cutting out. then it finally died in 5th. I pulled over to see if there was anything obvious. Nothing. So i attempted to restart. It took 15 min to finally get it to fire and then it stalled in first. I managed to get it going again and babied it home. Yesterday i cleaned the air filter checked the plugs and verified that i was getting gas. I did get it to start one time and was idling smooth. Took it out around the block and had to push it home. At this time it wont start at all. Turns over but no fire that i can tell. I dont know how to verify this visually tho. Before it died it was sputtering pretty bad in any gear and died in fourth while throttled.

I was getting ready to drain the tank and check the fuel filter as my verification of it getting fuel was while it was running. :/ And i believe my petcock is leaking anyway.

Any ideas guys? Its a 2001 sportster 883. Oh yea, I put baffles in about a month ago. Gonna take em back out cause i think it might be the banana in the tailpipe issue adding to this. Dunno tho, never got it rejetted cause i never noticed any difference except it was quieter. I have drag pipes.

Thx in advance.
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Old 09-22-2010, 03:23 PM   #2 (permalink)
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Just verified that im getting a spark on both plugs. Guess im on to the fuel line. Have a feeling that my petcock isnt working properly or my fuel filter is clogged.
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Old 09-22-2010, 05:22 PM   #3 (permalink)
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Well, pulled gas tank and drained it because i had no flow through the petcock. Pulled out the fuel filter and it was clean. Took the petcock apart and the last rubber gasket going to the carb was torn and blocking the exit. Headed to get a new petcock.
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Old 09-22-2010, 07:57 PM   #4 (permalink)
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Good Work !
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Old 09-23-2010, 12:56 AM   #5 (permalink)
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ok...well, that seems to have fixed most of the problem. The only shop in town open past 7 just had "special" petcocks for $115 ea.... riiight. I just rebuilt mine..for free. Anyway, it cranked right up. I took it out for a ride and noticed it still did it but, only when i was topping out in any gear. If i was in fourth and tried to push it past 50.. then it would start cutting out. Personally, I think part of that gasket might be in the fuel line going to the carb. Didnt check as i was putting everything back together outside,in the Ok, so i had a flashlight but still. I think its good enough to ride to work and i put some seafoam in the gas. I want to get some of it running though the fuel system. It wont take 5 min to check that hose later.

Something else, I got my last plugs at a local store and they said that they were pregapped. I took their word for it. They were set to .25 I read that .04 or close seems to work the best. So thats what i set em at.
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Old 10-23-2010, 04:50 PM   #6 (permalink)
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cutting out in the top of each gear? Could you have been hitting the rev limiter?

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Old 10-23-2010, 05:05 PM   #7 (permalink)
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Could be a piece of hose blocking the line, tiny piece in the carb bowl, or wrong plugs/gap. The baffles are not likely the issue, unless it was quite rich to start with.
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