Carbs fixed well not yet it seems

[TheSmiler]

As you know I have been working on the carbs the last few days, managed clean them put them back together turn her on and ...
It starts chucking fuel from the carbs and rubbers that go into the engine.

Read online that this is to do with either the floats set at the wrong height or the needle (pin thingamajig) being pushed up too high causing too much gas and making them overflow.

Is there a way of sorting this without taking the carbs off, wanted get her on the road for this Tuesday/Monday 16th last last resort.
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CB125>CG125>GN125>ER5>K100RS>R1100RS>K100RS
A2 completed 23/07/15 Ready for the Golden Crisp Packet

[m3-paul]

If you have a workshop manual then look at what the float height should be set to, also, i would look at replacing the needle valve and seat. Seems like fuel is passing the valve and no matter if the float height is set correctly or not, if this needle valve seats O ring is not sealing well then it will piss fuel out via the overflow.
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Yamaha TZR250 - love the smell of TTS!!!!
CBR900RR Fireblade - so much fun

[Teflon-Mike]

The floats on your bike are 'fixed height'; there is no adjustment on them; so if the float bowls are flooding;

a) you have put the float needles in 'wrong'
b) you haven't got the float bowls sealed.

Most likely a) if petrol is pissing straight out the main jets or mixture gallery.
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[TheSmiler]

[TheSmiler]

Sorry for double post, saves creating a new thread.

Managed to take the carbs apart and now they are fully sealed so the leak has slowed down. However still leaking from extended pipe on the side. Believe its the overflow tube (not sure if its got one) it is on the side of the carb.

Any idea how to sort this issue out Found out one method on this website below:
https://www.dansmc.com/carbs.htm

[Teflon-Mike]

No, its not the over-flow. Over flow is the nipple on the bottom of the float-bowl, that DID have over flow pipes attached to direct any weepage to under the engine.

If its a pipe on the side, of the left hand carb, behind the choke cable plate; it doesn't have a name; I think its an auxilliary breather vent to let air into the float bowl.

After rebuild these often weep for a while, before they stop leaking.

Your bike has no centre stand so is leaning to that side, which doesn't help.

Ought NOT weep; and means that your float needles aren't seating properly.

BUT; leave it for now; run the bike up, and see if it stops of it's own accord.

Letting the bike run will drain the fuel from the float bowls and get the float going up and down bedding the needles back in to find a nice 'seat', and THAT may be all it takes.

Just turn the fuel tap 'off' so it doesn't drain the tank when not running; and see whether it persists after maybe an hours running.

If so, then you have some crap still under the float needles, and will have to pull the float bowls and clean AGAIN!
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My Webby'Tef's-tQ, loads of stuff about my bikes, my Land-Rovers, and the stuff I do with them!
Current Bikes:'Honda VF1000F' ;'CB750F2N' ;'CB125TD ( 6 3 of em!)'; 'Montesa Cota 248'. Learner FAQ's:= 'U want to Ride a Motorbike! Where Do U start?'

[TheSmiler]

[Ichy]

My offer to help still stands. I should have some time free this weekend if it's not already sorted.
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[TheSmiler]

[Ichy]

No problem, the offer aways stands although I don't always have a lot of free time. I'll add you as a friend so you can see my mobile number. Your welcome to text me if you ever get stuck.
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[Pete.]

If fuel is pourng out of the float bowl breather and carb rubbers, mind that it hasn't filled any of the cylinders with petrol, or even done that and then leaked past the rings into the sump.

If you crank your bike with a cylinder even part-filled with fuel it can hydraulic and do some pretty hefty damage. I suggest pulling the plugs and giving it a good whizz over to clear the cylinders as a precaution.
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a.k.a 'Geri'

132.9mph off and walked away. Gear is good, gear is good, gear is very very good