3tb carb blocked??
 

Hello people been riding a 3tb to work recently but ran very low on petrol this morning (stuttered a couple of times).

Anyway made it to the petrol station opposite work and put some petrol in and then it started leaking. It's coming from a clear tube from the carb. I'm assuming this is an overflow?

Does this mean there is a blockage in the carb? Or an I going up the wrong street?

The bike starts and revs but still leaking (pretty fast).

Thanks
Rob

Overflow from carb, its not shutting on the needle. Or the screw for empty carb doesnt shut, is it underneath carb?

Yeah! It's underneath the carb and to the left hand side...

Yes you have a screw there, take it out and put it back in, check for damage. If this dont help, remove carb and check inside on the float valve.

Thankyou people

I will suggest you remove carb, open up and take out the filter inside. Its underneath the screw under the float. Or you will have same problem after a while, check tank filter if its ok.

I did this today (with the AA man) outside work for about 3 hours. Now runs sweet and doesnt wee itself although i nee to adjust the idle I think as it doesnt idle without stalling.

Extra score when my foreman (boss) said he will still pay me for the time I was off work!

...is the right answer.

He means heavy and he doesn't actually mean fairly hard. He means hard enough to make you worry you are going to pull it out of the seats.

I had this problem when I installed a new float needle and seat in mine. I carried out "the procedure" and it was fine after.

Played round with the idle and wound it up a fair bit but the xt still cuts out after like 20 seconds. So going to replace the inline fuel filters this weekend and use the other bike for work.

Any other suggestions as to what might be at fault here?

To drain the float bowl by turning the fuel tap off takes about 20 secs if riding under load, but if idling it takes several minutes.

Bob

Ok I have taken the carb out out and looked over everything and all looks good and very clean and gaskets look good.

Rubber inlets look good too.

Just need to work out where the 'jets' are, Would like a hard paper copy of a manual for this bike. Its all digital at the moment :(

Have you removed the filter inside?

Think I did I will open it up and check again

Ok looking at the needle float valve filter at the moment, sorry i thought you were talking about something else.

Right I have taken out the small screw/bolt thing and not sure how to remove the valve. Do I just pull it upwards? And the float arm bits will be in the way.

Appreciate the help alot by the way. The bikes in bits in my mums kitchen and she is not best pleased I havent fixed it yet! Haha

Use a plier and pill the brass out, wiggle and pull. First remove the float, remove the pin holding it, pulling it out, wiggle and pull.

As xtrock says when removing the float pin [wiggle and pull].
Be careful you don't stress and break the float pin pedestals, easily done.

Bob

Removed the floats etc and got the valve out and the part beneath out to find there is actually no filter in there? But there is crap around the area which I will clear out.

But Im not sure this is the problem.....

Buy filter, if there is crap there its importan to clean everything in carb, blow out the jets

Here is filter and other stuff cheap.


93-95 YAMAHA XT600 CARB REPAIR KIT CI-XT600BCR | eBay

Ok replaced all the parts in the carb and cleaned everything out and all back together, just there is a broken gasket on the carb to engine head rubber inlet things....

I dont want to replace the rubbers as they are £50! Anyone know where I can get a gasket from or how to make one?

Thanks again

If problem is that they have loosen from metal you can glue them back on with special glue. Other than that you need to buy new. Here is a little better price: http://www.ebay.de/itm/Ansaugstutzen...item1e9187266e

Damn it. Thanks

Ok I need help again.

Bike ran sweet with new gaskets on the head to carb rubbers and drove it to the petrol station, where is stuttered the last few hundred yards.

Filled up and ran for another few hundred yards..... Wouldnt start and pushed home.

Removed carb to clean it again as I assumed this was the problem and main jet fell out, screwed this back in and the carb was as clean as a whistle.

Put it back together and it still didnt start.

Checked plug and It was blackened and had a weak spark.

Replaced and it started up first time and ran well although noticed oil came out the exhaust for a short time, took for a half hour run and ran well. After run I checked the exhaust for oil and no oil came out.

Started again in the morning and stopped down the road so pushed it back and went to work on the other bike.



Any suggestions of where to go next with this bike?
I think I messed up the pilot jet there as it has to be screwed in a certain amount?

Can anyone help!?

You where dumping a whole lot of gas in the engine as that jet unscrewed, that's where the black "oil" that came out of you exhaust was from. It wasn't oil, just a bunch of real dirty gas. Both jets get tightened down snugly (the ones inside the float bowl). If your talking about the screw that is underneath and in the front of carb that's the mixture screw , it gets turned in till it LIGHTLY seats then backed out 1-1/2 to 3 turns, depending on the bike. 1-1/2 turns out is a good place to start. There is an o'ring on it that seal plus should hold it from backing out.

Took a look and realised there was a kink in the fuel line! doh

Idles sweet but will take for a ride again tomorrow....