ready to give up!!!!!

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OK,just occured to me I have seen this before.
If your bike was working fine when you parked it last and now it seems flooded the most likely explanation is that the diaphram in your fuel pump has failed allowing fuel to run directly into the intake manifold through the pulse line and into the engine.
You need to disconnect the fuel pump pulse line and block the intake/pulse line leak.Next drain the engine oil as it will be filled with fuel/oil mix. You will not be able to drain the oil completly because the reed valve will keep what is in the crank chamber.The oil will be diluted with mostly fuel.You will need to kick over the engine untill the oil in the crank chamber is expelled into the clutch chamber and then out the drain.
When all the fuel/oil is out refill the engine. Bypass or repair or replace the fuel pump install a new plug and it will start and run fine.
 
are you talking about a 00 or newer i dont think my 98 has a fuel pump but thanks for the info and time
 
I am refering to your pre 00 model.If you look on/under the rh side of your tank(the long side) you will see a square aluminum fuel pump with a piece of fuel looking line that goes to the piece betwee the carb ans cylinder head.
 
I just took mine off and cleaned it etc. It can fill up with dirt particles from tank circulation. check for any cracks/leaks inside. It is a stupid extra item on the bike but it is needed due to the low tank to get fuel high enough for fuel line to carb.

When you try to start maybe switch fuel off and kick for a while if you think it is flooded. Have you pulled carbie apart and cleaned it as well as inspected needle seat etc ? Also I don't use the throttle - just in idle position. worth trying with no choke as that has given me success when I couldn't start from flooded.

btw - I had a cobination of problems and was also ready to give up !!!
 
if you have the fc style tank with 2 petcocks, then you don't have a fuel pump. if it is the fee tank, you do. and if the diaphragm has a leak in it, the vacuum hose will suck raw fuel into the intake. to test, pull hose from intake and see if any wetness inside. if you're brave, suck on it and see if you get fuel.

ned
 
thanks for theinputs guys to answer allyes i have the FC model good for simplicity on troubleshooting fuel probs i think what i may end up doing is seeing if i can t a carb guy like linaweaver do somthing to it
it must be the fuel issue cuz it does fire now and then
more than likely i will sell it for a less exotic model so if anyone is interested hit me up and look for pics in the gallery
 
One thing I haven't seen posted here is whether or not you are 100% positive it is in fact, getting fuel. The Delorto carbs are notorious for the float valve sticking which basically keeps fuel from filling the float bowl, hence, no gas to the combustion chamber.

Simple check:

• turn fuel petcock on making sure there is plenty of fuel on the left side of your tank.

• lean bike way over to the left for 10 seconds

• tilt bike back upright and watch for gas to dribble from the overflow tube

If you see gas dribbling, your float valve is working correctly.
If no gas is dribbling, your float valve is more than likely stuck.
On the short term, this may be corrected by simply tapping on the float bowl with a rubber mallet which may release the float valve. In the long term, purchase a new float valve assembly although, (even new assemblies can stick).

I used to carry a small rubber mallet in my gear bag just in case my bike didn't want to start first thing on the morning of a ride. Craftsman makes a nice small mallet by the way!

log
 
Aw comeon mberg, gettin it started can be frustrating. I know, I've been there. But don't sell it! If I were within 100 miles of you, I would be headin your way, we would get her started. By the way, times like this are why we refer to our bikes as "her" or "she". Have you taken the float bowl off? One big nut on the bottom center of the float bowl removes it. Then you can test the floats and float valve. Check for crud and dirt/sand type stuff in the bowl. Water in fuel can be an issue. If you are not at all familiar with carbs, you need to hook up with someone who is, just to give you a hand for a half hour.
 
I posted a whole maunual for dellorto carbs on here a week or two ago. I just pulled my carb apart and put it back together - didn't use the manual :) The only thing I had to worry about was the poisition of idling screws etc. Just made a mental note of how many turns and all is good. It had the same overflow issue when I initially put it back together but quickly sorted itself out with a tap on the bowl - I am assuming the tap fixed it :) I do think it was a sticking float and u got to pull them apart and check / clean.
 
that delorto pdf is pretty helpful if you can think outside the box.

it tells you what each part does and how it does it. It is then up to the reader to go "well mine doesn't do this so what parts are involved"

dunno if there is a carby kit available for these carbs but might be worth looking at.

hope ya work it out soon.
 
alright guys i turned both gas pitcocks on and than tipped her over to the left twice for bout 20-30 sec a peace no throttle no choke and kicked it three times it fired ran for like 10sec and quit since then just kicked the hell out of her and nothing so does this finally mean a carb job is needed

p.s. you guys rock thanks
 
During or after you tipped the bike on it's side, did any gas drip from the float bowl overflow tube? That's what you're looking for.

log
 
there was very little that draind out all and im not sure were it came from as everything seemed dry with the exception of the nut on the very bottom of the carb
 
I really think you have to pull the carb apart to really know what is happening. Always a big chance of blockages and if you tipped it over and started then sttopped it sounds like a fuel starvation ?? set yourself up on a table and pull it apart. It is not as difficult as it seems. just put apart bit by bit and place on a table and clean it all. I suggest clean the outside of carb with some petrol and an old toothbrush then you can dip all parts in fuel to clean. I also invested in an in-line filter - also helps to show fuel being supplied from tank.
 
Aussieforce is right on!
You'll be amazed at how simple the Dellorto is to work on. When you take the float bowl off, you'll see how the floats interact with the float valve. The float valve has a cone shaped rubber tip which in your case, is probably skicking. It will cost $20-$30 to replace. I bought mine many years ago from Eric's in Pasadena.

Buy a can of spray carb cleaner from an auto parts store and spray it through all the holes.

This will be a good time to document all your jet sizes.

You might take some pictures as you take it apart just in case you're not sure of things upon reassembly.

log
 
Just a quick pointer. If your sparkplug gets fuel contaminated and wet, clean and dry it with contact cleaner. As contaminated sparkplug even dry tends to have the spark clime up and inside it wile under pressure. Meaning it will look alright when you remove and test, but when the piston starts to compress the spark created is not were it is post to be. Therefore making harder to get it to operating temperature were the sparkplug will starts to clean it self.

Regards
Thor
______________
HB FE600 98
HD FB1340 96
KW ZX10 89
 
I agree with the above. These carbs are not hard to work on. When you pull the carb note witch type it is a VHSB or a PHM. When inspecting the float valve it will look fine. In other words when you work the float arms up and down the valve will seem to work as well. Remove the float valve and check the rubber tip. If there is any ridge on the tip replace. I would replace anyway because when they start sticking you can`t repair it anyway. Clean the carb very good making sure all openings are clear of crud. Check for fuel leaks. Get fuel flowing to the engine, works easiest with plug out since you have to crank engine over and last use a new spark plug. Take your time not a hard job just pay attention to detail and should be alright. Check in downloads for diagram of the carb-
should be in service manual.
Hope this helps
 
SHE LIVES!!!!!!!!! SHE LIVES!!!!!!!!!! SHE LIVES!!!!!!!!!!!
THANK YOU GUYS SO MUCH FOR ALL THE INPUT
I PULLED THE CARB TODAY TOOK IT APART CLEANED IT WITH CARB CLEANER REALLY WELL PUT THE SCREWS BACK TO STOCK POSITIONS ACCORDING TO THE GUIDE I GOT HERE NEW GAS NEW FUEL LINES AND KICKED FOR ALL I HAD AND BAM FIRED NOW SHE STARTS WITH FRST KICK
 
Congratulations! Husabomber was right: If all the necessary conditions exist, it has to run, it has no choice!
 

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