Tickler

[Phil C]

Morning everyone, Just curious really: when you use the tickler to flood a carburettor (Concentric in my case) you see the fuel ooze out. It seems to just ooze out of joints. Is there a particular part of the carb designed to allow the fuel to escape?   Phil

[DAVE BRADY]

Hi,

The fuel should come up past the tickler only and not out of the bowl joint.  Some older carbs actually had a hole in the tickler for the fuel to come through. 

Dave.

[Phil C]

Okay thanks very much Dave. Mine was oozing out of the banjo joint a bit - I'll fit a new fibre washer.  Phil

[chaz]

worn ticklers let the fuel up , by passint the small hole,, replacement ticklers are available.
many a finger of a glove got wet from fuel passing the tickler but as Dave says, none should come out of any other joints

[AdrianS]

I always get a wet finger when tickling the old girl!

[cdsdorset]

Hi,

The fuel should come up past the tickler only and not out of the bowl joint.  Some older carbs actually had a hole in the tickler for the fuel to come through. 

Dave.

Do you have a fibre washer on the inlet banjo?
You shouldn't have. It will raise the float valve too high.
Just a top hat filer under the banjo.

[Phil C]

Crikey. Didn't know that. How will it do that? Displacement I guess?
Phil

[idie]

It will raise the float needle seat by the thickness of the washer, so the fuel will raise by the same amount. Then the fuel mixture will be to rich.

[DAVE BRADY]

Hi,

If it is a concentric as Phil says, I believe that the float needle sits against a small insert rather than against the top of the banjo bolt.  However, the problem as reported seems to be lack of fuel in the pilot/primary circuit rather than richness.
From what Phil has said, the bike was running so I would suggest re-fitting the now very clean carb and see what happens.

Dave.

[Phil C]

Yes, as Dave says, the float needle doesn't seat on the banjo bolt.  Phil

[cdsdorset]

Apologies.  I was thinking of the monoblock.