Question about 1998 kawasaki VN 1500 Vulcan Classic

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Thanks, Maxwell but I did that and instead of gas leaking from carb vent it shot out of the barrel of the carb

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  • kawasaki Master
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Hi, Vince and the usual suspects are:
1. Damaged or restricted fuel tank venting system.
2. Loose float bowl screws.
3. Damaged float bowl o-ring.
4. improper fuel level in the float bowl.
5. Worn or dirty inlet valve or seat.
6. Damaged or leaking float assembly.
7. Particle contamination in inlet fitting cavity.
For more information about your issue and valuable "FREE" downloads that you will need please click on the links below. Good luck and have nice a day.
Carbs leaking Here is how to fix it
http://www2.vulcanrider.se/DL/98-99_vn1500_classic_tourer.pdf
OEM Parts for Kawasaki
http://www.kawasaki-techinfo.net/showOM.php?view_lang=EN&spec=OC&category=MC&book_no=99922-1875-02&lang_code=EN&code=&nickname=&modelyear=

Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/gregg_c0ec1df182c7330e

Posted on Jul 12, 2016

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6ya6ya
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Posted on Jan 02, 2017

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johnamyx
  • 108 Answers

SOURCE: ran out of gas then problem started gas leaks

You will need to remove and clean the carb. When you run one out of fuel it allows all the trash in the tank to go into the carb. The fuel leaking from the overflow is trash in the float needle and needs to be cleaned.

Posted on Nov 06, 2010

smackskatebo
  • 1 Answer

SOURCE: Gas vent line on the bottom of carb bowl is

like said above, floats were stuck, give the carb a good cleanin, make sure the float rises up and down but stops were its level and doesnt go any higher or the bike could run like ****, take out all the jets and make sure you can see right through the top of the carb, also make sure not to over tighten them when putting them back in and if there is any dirt or anything in there stick a peice of copper wire or something along those lines and clean in out, clean and good operating carb is key lol

Posted on Feb 27, 2012

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Hi, Kevin and the usual suspects are:
1. Damaged or restricted fuel tank venting system.
2. Loose float bowl screws.
3. Damaged float bowl o-ring.
4. improper fuel level in the float bowl.
5. Worn or dirty inlet valve or seat.
6. Damaged or leaking float assembly.
7. Particle contamination in inlet fitting cavity.
For more information about your issue and valuable "FREE" downloads that you will need please click on the blue links below. Good luck and have a wonderful day.
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http://www.motorcycleforum.com/59-motorcycle-repair/96188-carb-leaking-gas.html
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Hi, Anonymous and the usual suspects are:
1. Damaged or restricted fuel tank venting system.
2. Loose float bowl screws.
3. Damaged float bowl o-ring.
4. improper fuel level in the float bowl.
5. Worn or dirty inlet valve or seat.
6. Damaged or leaking float assembly.
7. Particle contamination in inlet fitting cavity.
For more information about your issue and valuable "FREE" downloads that you will need please click on the blue links below. Good luck and have a wonderful day.
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Any very small leak between tank and pump can suck air instead of fuel, even if it doesn't leak gas. Also, just because a pump is new does not mean it is good. I ahve had many new bad parts over the years. Bad gas cap that should be vented can also cause issues.

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Hi Anonymous, if you have a carburator the usual suspects are:
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Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/gregg_c0ec1df182c7330e

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My 1991 dodge dakota v6 2 barrel is using way to much gas 150mi per 16 gal tank what is the cause


check for fuel leaks. from the gas tank, to the fuel lines, to the carb. i assume its an electronic throttle body 2 barrel. i have seen those leak internaly from the inside of the carb/throttle body causing exsess fuel to be used. you could also have a very bad fuel/air ratio going on there. could be bad o2 sensors. but i would start with the leaking fuel first.

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1 Answer

3200 MAC,I REBUILT THE CARB,WOULD ONLY RUN ON FULL CHOKE,I BOUGHT A NEW WALBRO CARB INSTALLED IT, STILL DOES THE SAME THING.IT SEEMS THERE IS AN AIR LEAK,OR STARVING FOR FUEL.


sounds ilke a ai leak the manifold block gasket may be leaking or a crack in the carb to barrel insulator- or it has a torn / perished intake boot or the impulse line is perished , could even be a loose barrel and the base gasket is leaking - or leaking crankcase seals

you have ruled out secondary compression and spark and blocked muffler

only proper way to know is to remove muffler and carb, block off both
inlet and exhaust with rubber gasket and a metal plate - make sure the inlet metal plate has a access hole for you to pressurise the c/case
remove clutch starter assy and flywheel
set to psiton to tdc and pressurise the c/case to 7 psi
brush around seals and gaskets with soapy water and see where bubbles are comming from that will be your leak it may be quite substanicial - check main seals, c/case joints, manifold block carb end and cylinder end and of course the manifold block itself

2 strokes need a air tight c/case to operate to fuel pump in the carb and to pump mixture from the crankcase to the cylinder

if sucking air instead of fuel they can be really hard to start, stall alot , have no power , will not idle , and seem to overspeed and get very hot
not to mention can damage tp piston and cylinder

have a look or let your local shop take a look for you

cheers

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it is probably due to a stuck float in the carb. take the float bowl off and make sure it is clean. the float can also be full of gas not letting it float up and stop the gas flow. the carb will fill up and leak wherever it can which is likely the case

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