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OK I have spark now what?

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  #11  
Old 09-24-2008 | 08:43 AM
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FX,
Hmm that's a good point. I did have the parts sitting up on the bench for some time befor I put it back. Actually same thing happened in my MG. Where might I locate the breather. It's early - I'm still sleeping.

Z,
There are two threads from abuot a month or so ago that I started in regards to the problem. In short, the bike "sneezed" when I rolled on the throttle. I thought is was carb related. Disassembled, replaced both diaphrams (ripped) still did it. Check with HD they though Manifold gaskets. I bought intake and exhaust - replaced. Now bike barely runs and rear cyl is fouled and front has a nice looking plug. I think it is still the intake.
 
  #12  
Old 09-24-2008 | 09:52 AM
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Breathers, On the heads, right side of bike, two hollow bolts. I don't know where you are but mud wasps are a common problem here. Oil level on kickstand should be at the bottom of the stick cold. A 190 main jet is a common stock main jet for a CV carb. I have found some needle jets wear from the jet needle. Pull the needle out of the diaphragm and check that it has almost no or very little movement in the needle jet when it is all the way in.
 
  #13  
Old 09-24-2008 | 12:46 PM
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I assumed that was what the breather was. I had the crossover pipe on my bench for some time. Mostly what gets us is Spiders and I have seen them do a good job of clogging holes.

I have to go home later and check my oil level but would too much oil cause me problems? Is a little less oil better than too much?
 
  #14  
Old 09-24-2008 | 06:45 PM
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If the tank is overfull it could push the excess out especially if there is some kind of breather problem.
 
  #15  
Old 09-25-2008 | 09:32 PM
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...and if there is a breather problem, will it exhibit the symptoms of running rough?
 
  #16  
Old 09-25-2008 | 10:46 PM
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It would adversely affect both cylinders equal I would think. The mass of volume as the crank passes TDC of the front cylinder added by a degree of blow by, without the breathers the motor will pressurize. Which could push excess pressure in the tank through the tank vent hose.
 
  #17  
Old 09-28-2008 | 02:56 PM
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OK good news. While I was blowing air through the breather to see if it was clog (it wasn't) I decided to test the hollow bolts that hold that breather tube on. Would'nt you know that one of the washers that are needed was mushed in a little causing a leak. I must have misaligned it at re-assembly and it was causing a problem. Fired up the bike with the enricher on. Revved it and it revs much better than it has in some time. Problem is I have to have the enricher pulled partially out to get it to idle. I've messed with the idle screw and the mix and it will not stay running. It will only run and rev with the enricher partially on. So I've solved one problem and have another one albeit slight.

I've got the mix screw 2 3/4 turns out from bottomed out but the idle screw is almost all the way in. Any clues?
 
  #18  
Old 09-28-2008 | 11:33 PM
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Did you ever find the circuit breaker and jump it? I still have this strange feeling it has some kind of ignition problem. Low voltage to the coil and/or ignition module will cause it to spit and sputter and will only run with the enricher.
The mixture screw on average is usually somewhere between 2 and 3 turns. I usually start at 2 but needing the enricher to keep it running is never going to allow fine tuning anyway. You checked the slow speed circuit and no obstructions? Did you remove the slow speed jet, hit the inlet with 2+2 and it came through the slow jet bore? If you cover the slow jet bore with your thumb and spray 2+2 in the slow speed air inlet does it squirt out the idle feed hole inside the carb?
I'm just grasping at straws, I am not there so I can only give my best guess of typical crap I have run across.
Also, If the fuel level is to low in the bowl, it wont suck fuel in to the idle circuit.
 

Last edited by FXSTDSE2; 09-28-2008 at 11:40 PM.
  #19  
Old 09-29-2008 | 01:19 PM
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OK I need to take this part slow and one at a time.

Circuit breaker and jump it. No I did not do it. Let's review that again please if we could.

When you say "you checked the slow speed circuit and no obstructions" I assume you mean the passages in the carb. I did remove the jet and there are no obstructions. I am not sure what "hit it with 2+2 means. Carb cleaner?

While I had the carb apart I made sure that it was pumping fuel. There is a brass pin sticking up into the opening of the carb that shoots gas into the carb. Is this the slow jet.

Sorry if I am sounding like a dummy. I've been studying the manual but it is a bit vague and I am not familiar with the parts associated with the carb.

On a side note - I still want to tackle and conquer this myself as I do with anything in my life but at least I can run it with the choke to at least get it to Harley. Before this the bike would not run. Choke slightly out she runs decent and revs. Choke in and it sputters and dies.

Also I appreciate you talking me through this. I know it's frustrating at times but I'm making decent progress.

Vince
 
  #20  
Old 09-29-2008 | 09:52 PM
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http://jwvess00.home.insightbb.com/jay/1200s/cv/
http://members.aol.com/cloudhid/carb.jpg

Try these links. Hope they help. And yes 2+2 is carb cleaner.
When you twist the throttle it is the accelerator pump pumping fuel. Not the slow speed (IDLE) circuit. But look on the bright side, At least it is working. Now let's see if we can get some kind of slow speed circuit working.
 



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