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DELLOROTO PHVA 14 DS FLOODS CYLINDER

My KTM 50 sr avdenture has a delloroto phva 14 ds carb it is flooding the cylinder with gas talked to a local ktm dealer and he told me that i had a vent line that was stopped up. i have cleaned the carb a number of times and no help it will start run for a few seconds and die . i need help please

Posted by Anonymous on

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 126 Answers

SOURCE: fuel dumping out over flow tube

sounds like the carb float is stuck in the open position and not stopping fuel from entering the carb. float could either be damaged (pin hole in it filling up with gas and not causing it to "float" and stop fuel flow) or stuck by an obstruction.

try this first. take the handle of a screwdriver and tap lightly on the carb float bowl. turn on the petcock and see if fuel still pours out or has stopped.

if you can't get it unstuck this way, then the next way is to remove the carb from the engine, turn it over and take off the float bowl. with it off, see if the float moves freely. also take notice if the carb float feels "heavy". this would indicate that it is filled with gas and the float would need to be replaced.

good luck

Posted on Jan 18, 2009

  • 3567 Answers

SOURCE: mass flooding piston cylinder

This sounds to me like a carb float being stuck open. Turn off the gas and drain the carb. Next, turn the gas back on and sharply tap the float bowl with the plastic handle of a screwdriver as the fuel bowl refills. The goal here is to vibrate the float to free it up. If doing this process a couple of times does not free the float I would remove the carb and clean it with a spray carb cleaner. Be sure main jet and float needle are clear. Clean the air filter then re-mount carb. Next Remove the water trap bowl at the bottom of the petcock, (gas valve). Dump it, clean it and re-mount it, ( not all bikes have a water trap bowl ).
Install an inline fuel filter. Turn the gas on, wait a moment for the float bowl to fill with gas then give it a try.

Please rate this solution. Thanks!

Posted on Mar 29, 2009

  • 3 Answers

SOURCE: virago cyl flooding xv700 1984

let me tell you how i check to see if the float and needle valve is working properley in a carb. take the carb off git a hand pump off a out board motor. hose and all take the ends off put the suction end in a can of gas and the outlit end to the gas inlit on the carb. squeez liteley on the bulb that should let you no if the carb is leaking some ware. if not then you no for sure that the problem is some were else.goodluck davidbaxley.

Posted on Apr 17, 2009

  • 1 Answer

SOURCE: can't keep running seems to flood out 1978/79 kawasaki

seems your fuel to air mixture is wrong

Posted on May 13, 2009

  • 3567 Answers

SOURCE: when start go to rev it just dies

Remove the throttle stop adjuster and the air screw adjuster and spray carb cleaner in the holes.
Be sure to put these two screws back in the same hole they came out of. IMPORTANT > do not tighten these two adjusters down. Only screw these in until they LIGHTLY seat. Now turn each adjuster one and one half turns outward. Turn the pilot screw 1/4 turn counter clockwise. Check the float level. Before putting the slide back in the throat of the carb, move the clip on the jet needle one notch lower.Put the rest of the carb back together, clean the air filter and install the carb. Let the float bowl fill then start the engine. Adjust the idle speed with the Throttle stop screw. This process should get you back on the road. A “very helpful” rating for this answer? Thanks!


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Posted on Jun 22, 2009

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1 Answer

My 2002 ktm125sx runs awesome revs great until carb bowl fills up then it floods and runs terrible I turn the gas off and it'll scream until it starts running out I've cleaned carb checked float


Hi, Dewayne and the usual suspects are:
1. Dirt or other foreign matter between float valve and its seat.
2. Float valve sticking.
3. Float valve and/or valve seat worn or damaged.
4. Float misadjusted.
5. Float cracked, leaky or damaged.
6. Excessive "PUMPING" of hand throttle grip.
For more information about your issue and valuable "FREE" downloads that you will need please click on the links below. Good luck and have a nice day.
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