float level too low=no gas to that cylinder?

even tho there is fuel in the bowl, if the level of gas was too low, would that cause absolutely no fuel to reach the combustion chamber in that cylinder?

 

Just because no one has replied, I'm going to offer adv ice based from what i've collected from this site

yes

I KNOW that having the correct height is very important

ok after doing some searching this is what i found:

 

ok, i will check them for the third time now. that HAS to be my problem

 

You need to check with the rack of carbs LEVEL, front to back and side-to-side, either on or off the bike, and use the "clear tube" method, with fuel.

"Dry" measuring will only get you in the ballpark.

The difference between good and not is only 3mm so it has to be pretty darn close to spot-on.

Tip: when adjusting the "tang" on the float, if you tweak it enough to know you bent it you probably went too far. It's a dark art, being able to just barely bend that little tab. A colorful vocabulary helps.

 

fitz, i remember reading that somewhere so i have been careful in adjusting the tang. so far my number one bowl would retain almost no fuel, and number two is pretty low. i am using mineral spirits in filling them, and checking with clear tubing. i assume it is common for number 2 and 3 to fil up faster than 1 and 4 since they are closer to the fuel feed line.

 

i give up. float levels set right on all four, good compression, vacuum pulling thru all carbs. exhaust pipes 1 and 2 are cold as can be and fuel consumption is something terrible. i just dont know

 

Done the valve clearances? Changed your spark plugs? It may not be a fuel issue, but a spark issue. You need to do some investigating here

Swap the leads from 2 and 3 around. If the problem follows the lead (IE moves to #3) then it's a spark plug lead issue. Swap the plugs between 1 and 3 - if the problem moves to #3 then it's bad plugs.

If you can't get the problem to "move" as above, then yes I would suspect a fuel issue.

 

aw man...I just posted on a similar issue, although 1&2 are firing fine, but 3&4 are missing/not firing very often/leaving the exhaust cold. I'm thinking it's time to pull the carbs again

 

already checked fire on 1 and 2, spark plug looks like fourth of july when grounded and motor is running. its funny tho, i sprayed start fluid direectly into 1 carb and 2 carb, with no noticeable difference except a very very very slight pickup in idle, and while holding the throttle open, it picked up a little also. i could put my finger in the carb while it was running and lift up a little on the piston/needle but it didnt seem to change much if any. the header got a little warm, but i could still hold it whereas i couldnt get close to 3 and 4 header. maybe it was just transferred heat from the cylinder head. from my homework ive done on carbs, there should be no reason fuel is not entering the cylinder from the carb. area of lower pressure should be drawing fuel up thru the main jet entering the cylinder