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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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  #171  
Old 19th July 2012
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LOL, lots of poop here on the roads too. do you know if the angle of the intake manifold has to be set or is there only one way to put it on. I guess an easy way to find out is to take the carb off and loosen the manifold bolts and bolt the cab up and snug the manifold up and then take carb back off and tighten.
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  #172  
Old 19th July 2012
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LOL, lots of poop here on the roads too. do you know if the angle of the intake manifold has to be set or is there only one way to put it on. I guess an easy way to find out is to take the carb off and loosen the manifold bolts and bolt the cab up and snug the manifold up and then take carb back off and tighten.
Never had to take one off, but I would suspect only one way to the heads.
Your plan sounds good.
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  #173  
Old 19th July 2012
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Ill let you know how it works out for sure.
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  #174  
Old 19th July 2012
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so i went home sick and took a pain pill. My bike was in pieces so i started checking stuff out and re assembling it. I had my son tear it down yesterday while i was at the dr. i took the carb off and checked the intake. seems only one way to put it on, i sprayed carb spray all around it and checked for seaps and none, seems sealed. The gasket for the carb is tight so no leaks there. i decided to make sure the throttle cables were routed correctly too and i set the float level as well it was off a little it eas at .55 instead of .45 so i set it correctly. put it all back together and took it around the block and it started raining so not much of a test today. better throttle but seemed sluggish but it wasnt warmed up and absolutly no carb farts at all. may be rich now. so i backed off the slow jet to 2.5 turns. I am very optimistic this will work. will keep you updated
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  #175  
Old 22nd July 2012
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well went for a ride to tahoe and at elevation the mid range got better. i think i have been running my bike lean!! sucks cause i may have damaged a valve. how do i richen up the mid????
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  #176  
Old 22nd July 2012
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Originally Posted by markncarj1 View Post
well went for a ride to tahoe and at elevation the mid range got better. i think i have been running my bike lean!! sucks cause i may have damaged a valve. how do i richen up the mid????
The transition to mid range is affected by the pilot and mixture screw.
Mid range is the needle. The N65C is a bit richer that your NOKK. If you shim your NOKK, then don't shim it too much.

However, before you fully dismiss a vacuum leak, take one more look at the line to the VOES, etc.
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  #177  
Old 22nd July 2012
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See also this new post

http://xlforum.net/vbportal/forums/s...3&goto=newpost
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  #178  
Old 22nd July 2012
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Without going back through this "diary", how sure are your that the carb diaphragm does not have a pin hole leak? If not torn, just a pin hole, it could lift almost full range, but not hold the intended position while cruising at mid-range. This may have started with a low float level, but other problems may have been present or developed during this saga.
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  #179  
Old 22nd July 2012
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The voes line is.brand new. I should probably get a new slide. It is old. I know a few people running.g a Nokk needle unshimed and their mid range is fine and the run stage 2.
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  #180  
Old 22nd July 2012
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I just put a brand new set of plugs in today and am going for a long ride so I will pull them when I get back
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