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Apr 16th, 2008, 12:53 AM
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#1 | | Newbie
Join Date: Apr 2008
Posts: 4
| Miss Firering
What exactly is it ??? My bike is running kind of weird when im riding at a steady throttle. It sort of feels like it is fluttering here and there. | 
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Apr 16th, 2008, 02:35 AM
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#2 | | Has posted 500+
Join Date: Feb 2007 Location: middleburg, pa
Posts: 713 Model: 06 FLST hertiage, stage 1 1450 pc111 Interests: hunting,wood working Occupation: medical asst. tech/DPW
| we too will need to know what it is. what kinda of bike and some background knowledge on the bike . . .i.e repair history and ect.  | |
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Apr 16th, 2008, 05:23 AM
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#3 | | Moderator Has posted 500+
Join Date: Jul 2005
Posts: 7,422
| "misfiring" is caused by an erratic spark at the plug. the causes are numerous.... 
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Apr 16th, 2008, 10:35 AM
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#4 | | Newbie
Join Date: Apr 2008
Posts: 4
| Miss Fire
Its an 04 Night train and I just pulled it out of the Garage from the winter. I put new Plugs in it but im wonder in if it my be a dirty full system from the old gas. | |
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Apr 16th, 2008, 10:44 AM
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#5 | | Has posted 500+
Join Date: Jun 2004
Posts: 3,107
| did you use stabil in the gas, sometimes they will run like crap with that stuff
Drain the carb and tank if carb, put in fresh fuel, check plugs and plug wires, make sure they are ok,
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00 Heritage S&S 124 | |
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Apr 16th, 2008, 10:48 AM
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#6 | | Has posted 500+
Join Date: Jan 2007 Location: Michigan
Posts: 563 Model: Harley 02' Heritage Classic Interests: Riding Occupation: Riding - Semi Retired
| Welcome to the forum Jake. Misfiring can also be the result of a bad vasectomy,  Sorry couldn't help myself. As Chuck said, the reasons are numerous. Did you put a fuel stabilizer in the gas tank when you parked it for the winter? | |
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Apr 16th, 2008, 11:04 AM
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#7 | | Has posted 500+
Join Date: Feb 2007 Location: middleburg, pa
Posts: 713 Model: 06 FLST hertiage, stage 1 1450 pc111 Interests: hunting,wood working Occupation: medical asst. tech/DPW
| if the tank wasn't full in storage then condensation/water could be the culpit. the water will tend to linger around the pickup you could try dry gas then run it out, but if it's efi and keeps mis-firing could result in throwing a code; a PITA. the best way is to drain the gas like others already suggested. draining the gas is a PITA too  | |
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Apr 16th, 2008, 12:00 PM
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#8 | | Newbie
Join Date: Apr 2008
Posts: 4
| I didnt put **** in the gas for the winter i suppose i prolly should have but I just never did it. Would injecter or a fuel system cleaner be a good thing to run through the bike ??? | |
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Apr 16th, 2008, 12:10 PM
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#9 | | Has posted 500+
Join Date: Jun 2004
Posts: 3,107
| Drain it and refill pull the fuel line off the carb and drain the gas, then pull the plug off the bottom of the carb or bowl and drain and clean it out don't fubar the float.
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00 Heritage S&S 124 | |
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Apr 16th, 2008, 12:11 PM
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#10 | | Newbie
Join Date: Apr 2008
Posts: 4
| Its fuel injected, could the gas just be sludgy | |
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Apr 16th, 2008, 12:31 PM
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#11 | | Has posted 500+
Join Date: Feb 2007 Location: middleburg, pa
Posts: 713 Model: 06 FLST hertiage, stage 1 1450 pc111 Interests: hunting,wood working Occupation: medical asst. tech/DPW
| if i were in your situation i'd drain it. where you would normally find a pet-cock you'll find the high pressure outlet and hose. at both ends of this hose are quick releases. the one coming out of the tank you simply slide the chrome collar up. at the efi unit end is the squeeze type, be carefull this end is easy to break and will be the end you'll need to remove to drain it that way by turning the power on and the fuel pump will do it. Or you can disconnect that side of the transfer tube and let it drain. which ever you feel you can do safely. good luck, and have fun. you'll get it  | |
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