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Trouble starting.

  • Thread starter Thread starter Isaiah Ford
  • Start date Start date
It should have 2 hoses,as noted above. It does not regulate fuel pressure, it just opens up the fuel flow

I don't know why you thought it was valves, but you're beyond that now

If there's gas in the carb bowls and the spark plugs aren't wet, your carbs are plugged. Which points to the gas tank passing rust or crud to the carbs
 
It sounds like you have spent a fortune on having other people working on your bike. The insides of the carburetors can look perfect but unless they are rebuilt per instructions on this site you may have all sorts of crud in the tiny passages you can't see and very few people really know how to rebuild them properly. If they weren't soaked 24 hours in carburetor dip or ultrasonically cleaned, O-rings and bowl gaskets replaced, they weren't done properly and stuff breaking loose from running it could have progressively clogged up critical passages. I had rebuilt mine about five or six years ago and had to rebuild them again recently because the enrichment circuit on carburetor 3 and 4 went out making it almost impossible to start and fire those two cylinders. Once started it would run fine all day if I didn't let it cool off. Not to say you have the same problems, but you have the same carburetors and you need a perfect base line to start from so you can properly diagnose the problems and go on from there to getting it running right without chasing your tail. You can get all the information you need on this site, that's how I learned, and then you will know the condition of everything on the bike. These old bikes require a lot of maintenance (that hasn't been done over the years), but once done they are quite nice and reliable.
 
Big T said:
I don't know why you thought it was valves, but you're beyond that now
Click to expand...

The problem I had before is not the same problem as I have now. The carbs worked before I took the engine apart. There was just a ridiculous amount of oil soaking and fouling the plugs. When I separated the head from the cylinder block there was about a quarter inch of carbon deposits on the combustion chamber. The valves were completely unrecognizable. But there was gas entering the intake. That's why I thought it was valves.

The problem I have now is that, since I tried putting the bike back together, the gas won't leave the carbs and enter the intake. If my vacuum lines aren't connected properly (or connected at all) this might have something to do with it? I'll take your advice and open up the carbs and soak em in carb cleaner. But first I'm going to put it back on the bike (and connect it properly) and see if it does anything.
 
Isaiah Ford said:
If my vacuum lines aren't connected properly (or connected at all) this might have something to do with it?
Click to expand...
The good new is that there is only ONE vacuum line. It runs from carb #3 to the smaller nipple on the petcock.

Keep in mind that carbs are numbered from left to right, as you sit on the bike.
#1 is under your clutch hand, #4 is under your throttle hand.

.
 
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