Question about 2004 Aprilia SL 1000 Falco R

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Tank problem I had fuel comeing out the over flow pipes at the bottom so I striped the tank from petrol month later I put it all back together and went to fire it up, I got nothing seems to try to start bbuts like no petrol is getting through have I missed something what should I try out.

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  • 168 Answers

Take cap off tank , try to start it. if it does your gas cap is bad.

Posted on Jun 15, 2014


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Posted on Jan 02, 2017

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SOURCE: vespa et4 125 cuts out after starting and riding for a few yards

before buying a new HT coil (as these are generally bullet proof on an et), remove the inspection panel and disconnect the spark cap. secure something long, thin and metal into the cap ( screw, tweezers, etc) and position it with a slight gap to the frame. disable the immobiliser and use the kick start. you should see the spark jumping from the metal to the metal frame. I fyou see this spark, it is most likely that the HT coil is fine.

Sometimes the diaphragm in the fuel tap can go wonky on an ET also, meaning that it might start alright but after going for a while, once the carb drains, the engine will die from fuel starvation. to test the fuel tap, remove the 2 tubes that run from the fuel tap to the carb at the carb end and **** lightly on the thin one. you will feel the daphragm open and fuel will run from the fatter tube if it is working.

Another thing that might happen if it is running for a while then dies is that the carb might be allowing too much fuel to the engine and flooding it. If when it restarts, there is a lot of smoke from the exhaust it could indicate this. leave it tick over for a while to run off the worst of it then increase the throttle slowly until you hit full throttle, leave it run back down to idle and you should be set to go. only use the throttle lightly and go slowly and it should bring you home at least then adjust your carb.

Posted on Aug 23, 2009

  • 18 Answers

SOURCE: i need to get to carbaretta to clean but cant lift

there is no valve to turn off on modern bikes. you will have to syphon off petrol into a safe container and can pinch hose with a small pair of mole grips or bend hose back 180 degrees and put a rubber band on

Posted on Sep 22, 2009

  • 186 Answers

SOURCE: hi i have a aprilla

There may be a fuel filter in the tank if this is clogged it will stop fuel flow

Posted on Aug 23, 2011

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Its fuel shut-off. I put a manual shut-off in the fuel line coming from fuel tank. No more problems.

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Hi what the f. did i do to my s4r 2004 petrol tank

If it's the little hole in the left hand side of th tank cap well its water drain hole for getting rid of rain water.if you have pushed wire n it and damaged it like split it inside then the fuel will run into the pipe which vents to under the tank and leak out of it.the metal and is.brazed to the hole leads to small outlet under the tank.I have seen them split before.and have actually drilled out and brazed a New one in.

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Hi,the way it works is.....petrol gose from tank into filler pipe into carb it fills the bowl at the bottom of carb float rises and shuts off the petrol by means of a inlet valve when float pushes it shut,
so if there is petrol coming out of the over flow pipe from the carb bowl it is iver the valve is worn(can be replaced)or the float is not at the right level(to high) or float has a hole so sinks(get a small container put petrol in it and put float in if it floats its ok)the other thing is the gasket that gose between the bowl and and top part of bowl make shore its not broken,
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1 Answer

No fuel coming from tank into carb

1) This might sound daft but check if there is actually fuel in the tank. Many bikes have been stripped down by the hard of thinking only to find the tank was empty...or the tap was off... or should be on reserve... 2) Assuming this is a gravity tap (one main pipe) and not a vacuum tap (one main pipe and one smaller pipe at the side) Turn tap to off and remove pipe from tap. Turn tap on and see if fuel flows. If yes, then replace fuel pipe (this should sort it, try again with the pipe off at the carb end and see if fuel comes out. If it does but the bike still won't start then the carb jets are blocked.), if it still doesn't flow then go to3)
3) If there is fuel in the tank then remove tank and pour it out into a can. Remove tap from tank by unscrewing with the correct spanner. 4) Examine the guaze filter, it is probably full of crud and muck. Clean with fresh petrol and replace.
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