Question about 2003 Kymco Venox 250

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Venox wont start up after removel of gas tank for re spray

Hi there Sorry for the bad english i am Swiss.....hahah. I just had my Venox re sprade and had to tack off all the plastic covers and gas tank. The problem is that i put the part pack on and the gas tank fited back all the plastic hoses but one that i cant seem to know where it goes ( under tank is a sort of valve a big hose come out of this and a small one Vacuum Tube) were do i fit the Vacuum Tube. 2 nd problem is that i wont start up i hade to empty gas tank and have now fild it up again but stil wont start when i hit the engnistion.

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Hi Small vacuum tube goes to the inlet manifold, safety device to prevent fuel flow when not in use.

If you literally **** on it it will start and run!!

Posted on Dec 11, 2009

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USE the VACUUM HOSE / EMISSION CONTROL diagram for the KYMCO Venox 250


Venox wont start up after removel of gas tank for  - venox-wont-start-up-after-removel-gas-vmm5m4rebhtgqbzqs2srzjze-4-0.jpg

Posted on Jun 07, 2015

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My 2001 tundra turns over and everything works but wont start has half tank gas


If it has known good spark and fuel pressure try spraying carb cleaner in the throttle body while cranking engine to see if it will crank.

Sep 10, 2015 | 2001 Toyota Tundra

1 Answer

Craftsman 675 series 190 cc lawn mower Wont start


Take air cleaner off. Shoot some spray carburetor cleaner in the carburetor and try to start Try this a few times to see if the engine will fire.. If it fires or starts then there is a fuel delivery problem. Could be a dirty fuel filter, bad (stale) gas, a dirty carburetor. If it does not start with the carb cleaner, check the spark plug. It may be fouled. Check for spark - take plug out of head. with the plug attached to plug wire, hold plug with a pair of insulated pliers, and touch outside of plug where the threads are to the engine, while some one pulls on the start cord. You should get a bluish spark. If you get a weak spark use a new plug and try again. There should be a bluish spark. Make sure you hold the plug against the engine making good contact. If no spark at all, could a bad magneto.

Getting back to the carburetor. If you think the gas in the tank is stale, drain it out and put fresh gas in the tank. Change the gas filter.
The arburator may be cleaned by pouring a 1/2 can of fuel system cleaner in the gas tank and spraying the spray cleaner down the carburetor throat.

Jun 03, 2014 | Garden

1 Answer

Gas tank fill tube removel on 1999 couger . can't get plastic keeper to release


most newer fill pipes on gas tanks require the tank to be drained and removed enough to take it off.. the fill pipe goes in almost a foot into the tank..then either remove the screws in the filpipe flange at the cap area and it needs twisted and pulled for removeal..spray with wd40..

Dec 15, 2013 | 1999 Ford Mustang Cobra

1 Answer

2007 Venox., Is there a gas filter on my bike? Where is it? My gas light comes on at around 40 miles, even though I just filled the tank. Colleen


sounds like the fuel float to me you could have condensation or trash in tank or you may need to change the float there are no fuel filters on the Venox 250 it also could be the vacume line these are both under the tank and are easy to get to and remove the tank

Jul 17, 2011 | 2005 Kymco Venox 250

1 Answer

My venox 250 wont start. does the gas tank need to fully full? its been sitting for a year....


If old gas sat in the carb.s for more than a month it starts to dry up. As it drys up it leaves behind a varnish like film that stops up some very small ports and pin holes inside a motorcycle carburetor. It is also very hard to get out. You can try this before you pull the carb.s for a full cleaning. Use a product called Seafoam, get as much gas out of the carb.s as you can. use a turkey baster and force the seafoam into your carb.s fuel line that you took loose from the fuel tank. Let that set for days 1 or 2. then hook up the fueltank with a mix of good gas and seafoam, (not a lot but enough to start it up. Move the cycle outside as the seafoam will make a lot of smoke if it does start up. If that does not clear up the problem you may have to pull the carb(s) and remove the blows to clean the inside. If you have to do that do not DO NOT MESS with any adjustment screws, DO NOT MESS with any adjustment screws. Just take the carb. bowl(s) off keep each one separate and number them so they do not get mixed up. do not mix up any internal parts. It is best to work on one at the time so nothing goes wrong. Work on a large sheet so if you drop a small part you can find it, you do not want to be missing some tiny spring or screw. Hope this Helps.

Apr 19, 2011 | 2005 Kymco Venox 250

1 Answer

Ive been trying to start my buick century, it cranks strong, but it seems like its not getting gas, its been sitting for about 3 years.. i nee help as quick as possible... help please thanks!


I would say your gas is bad. Three years is way to long for sitting gas. You will need to drain the tank. Spray some gas into the carberator. Start it and see if it catches for a second. If so, then that confirms a fuel problem. The gas is not good my friend. Sorry.

Feb 10, 2011 | 1994 Buick Century

1 Answer

Ran out of gas and wont start


Sounds like a typical case of letting the car run dry out of fuel, you may want to try spraying starter fluid into the intake/air filter after allowing the key to be left on in the run position for a few seconds, this allows the fuel pump to fill the fuel lines with fuel, then try spraying a shot of start fliud if still no start you may have a more serious problem....fuel contamination...the bottom of the fuel tank may have sediment in it and when you let it go dry it pulled up the bad stuff and now it needs to be flushed.
New fuel filter, injector service, fuel tank drained/flushed and fuel lines drained.

Jul 02, 2010 | 2001 Lexus IS 300

1 Answer

Kymco Venox sat for a month and half...trouble starting


Loose the gas additive. Clean the air filter and then install new spark plugs. If the bike has carbs, drain the carbs. .... All fixed!

Could you take a moment and rate my answer? Thanks!

Sep 21, 2009 | 2003 Kymco Venox 250

1 Answer

99 Taurus wont start unless primed. Fuel pump is working


Check/Change Fuel Filter(s), PVC Valve & Emission Hoses
and/or
Gas that sits too long won't fire easily that's why we have to add winterize to our lawn mowers!
Try filling the tank with some high grade fuel cleaner additive. This stuff is like rocket fuel (about $10).
Also add a can of dry gas as you may have a lot of water and water vapor in your system!
Get a couple more cans of starter fluid too. (I always needed at least two to get my diesel running for summer)
Keep spraying and starting (It always took me at least a full can sometimes 2)
When it starts keep the gas pedal down and rev high for a good 5-10 minutes then see if it will idle.
If it still stumbles and falls consider adding another can of fuel system cleaner and/or dry gas.
Don't drain the tank as this usually just makes it worse by letting the bottom sludge stir up.
Never let your gas tank get too low as this will foul up your fuel system and always add fuel cleaner after every oil change (a must for fuel injection and cat. converter care)

Good Luck!
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Mar 08, 2009 | 2000 Ford Taurus

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