fuel over flow

hi all...i have 82 xj550 maxim 19,000 miles i picked up a few months ago that was not run at all the p.o. had coil wires swicth around fuse box all messed up wires taped up etc i fixed all that changed oil and filter so now i've just pulled the carbs and cleaned them install new float kits after market type set the floats at 3 mm and set the butterflys put the carb back on choked it and varoommm!!!!!! she ran i got lucky and with reading on this site over and over about the church of clean...here what i ask i did not install the itake boots back on yet but i do know their is fuel setting at the bottum of the intake bore it not driping on the ground or nothing just laying their about 1/8 of a teaspoon or lees....could this be because i dont have boots back on yet or my float levals are off or something else...oh yea my petcock is working as it should.......

 

I have read on a thread some where ( I know that does not help) that sometimes the aftermarket float needles can be slightly different in size compared to the originals. So, if that's the case then no matter how clean the carbs are those needles could be letting a little bit of fuel go by.
To be on the safe side give your oil a sniff and see if you can smell gas. Again, it's possible that fuel could have made it's way into the bottom end and what you see "1/8 of a teaspoon" could be what has gone to the outside.
I hope someone else can remember where to locate that thread on the needle size issue.


Cheers, Graham

 

There have been many.

Yes there is about a 1mm difference between the old needle and a new one. But it isn't a problem if you have wet-set the float valves to 3mm below the carb bodies.

It is best to have the same new needles for all four carbs, but not totally required, as long as you wet-set each carb.

 

Running the engine without the intake boots has a tendenacy to spit fuel back out the carbs, especially if you rev the engine and the floats are a little high. Double check your float levels with the clear tube method. Correct if needed. Keep an eye on it to make sure the floats and not overfilling the bowls .

 

recheck the fuel level one was aliltte high...checked valves and reshimed...set vacuum all carbs are pulling the same.....seems to be ok...still got many other thing to do yet to make it ride ....im have fun working on it and learning too...thanks for the help

 

Cool.

Now do the BRAKES.