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Sportster Motorcycle Air intake, Carburetor, EFI, Fuel, and Exhaust Problems, advice and/or how tos for Sporster and Buell motorcycle carburators, Electronic Fuel Injection (EFI), Air Intake, Fuel and Exhaust.

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  #1  
Old 13th August 2022
maxedd maxedd is offline
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Default oil dripping fom carb

I've been having some problems with my ironhead '75 XLH. Clean my gas tank..been going through filters..lol.seemed to get that done so I put points condenser in. static timed it, I hit the button,she started but was wanting to backfire so I shut it down and noticed I had oil dripping from my shorty carb onto my cam case.pulled the air filter off and tried to start it to see where it was coming from but now it backfired once and won't start. I'm charging the batt and wondering where to go now.any thought on why I'm dripping oil?
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  #2  
Old 13th August 2022
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Your Ironhead got the Evo flu, you shouldn't took it out in the rain without umbrella valves. LOL
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Old 13th August 2022
maxedd maxedd is offline
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Lol.. Yeah,my '63 TR-6 I could leave it out and will always start 1st kick (if I remember to turn the gas on) This Sporty..I think I need to take it in every nite so it will be well rested when I try it the next day.lol.. Well it's a new experience knowing I don't know what I'm going to be working on it today..But it's fun to get it up and going..at least halfway to work..
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Old 13th August 2022
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Maybe clean her up good so you can see where the oil is coming from...had they started running the breather into the airbox yet?

I'm no expert, but that's how I approach any oil leak, sounds profuse enough you won't need talcum powder
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Old 14th August 2022
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maybe all that cleaning cause the float needle to leak, filling the manifold, moving to the chambers, upon starting, spit the fuel back with whatever it cleaned off giving the oil look and now too flooded to start.
now, since you changed the points, did you follow the correct steps with regard to timing marks with proper stroke and used the proper lobe on the points?
also of interest, is the condenser even though new good??? do you have spark consistently, aka, shorting points to ground???
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Old 14th August 2022
Iron Mike Iron Mike is offline
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Quote:
Originally Posted by bustert View Post
now, since you changed the points, did you follow the correct steps with regard to timing marks with proper stroke and used the proper lobe on the points?
also of interest, is the condenser even though new good??? do you have spark consistently, aka, shorting points to ground???
For some reason a lot of times the MANUAL ADVANCING OF THE POINTS CAM seems to be skipped when static timing.
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Old 16th August 2022
maxedd maxedd is offline
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Default

Yeah,I got the timing down..but neither of my advance units wanted to fit solidly.a couplw weeks ago the bolt came loose and it died on me.pulled cover off to check the wires and the mark on my plate, found it loose it fired up and got me home but started running worse and worse.So I ordered up a new advance unit and bolt.thinking about a electronic setup but I'm not sure.lol Don't seem to be throwing oil now,think it was a stuck ball in the oil pump.

Last edited by maxedd; 16th August 2022 at 05:34.. Reason: needed to say i fixed the leak for now
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