Question about Aprilia RS 125 Motorcycles

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No fuel gettintingto carb - RS 125 Aprilia Motorcycles

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Try the fuel filter or the fuel pump

Posted on Nov 13, 2010

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No gas getting into carb. What next??


A carb is about all you can do!
If you have primer unable to pull fuel into the motor it maybe one of two things.....a blocked fuel inlet in the carb or the fuel lines are backwards! Try swapping the fuel lines and see if anything changes. If nothing improves you will need to remove the carb and clean it out. Do not use compressed air! Use a can of carb cleaner and allow to air dry afterwards. If you can remove the fuel screen that might help too. A carb kit will come with a new one. The whole carb from eReplacmentparts is less than 30 bucks. Which is a real timesaver!

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Does my older lowes mtd riding mower have a fuel pump?


If it is a Briggs Twin it is part of the carb , if not it will be a vacuum pump somewhere close to the engine because it is driven by a vacuum hose hooked to the block . As the piston goes up and down the pulse of the vacuum moves a diaphragm in the pump to move the gas from the tank that is lower then the carb .
older-lowes-mtd-riding-mower-fuel-pump-qghkikk0std4f3kdchzm2mue-4-0.jpg
briggs and stratton fuel pump fix

May 03, 2014 | Mtd Garden

1 Answer

CARB NOT GETTING FUEL.......STARTS WHEN PURGED...BUT DIES OUT !!


Since I don't have info on your machine, I'll just give some general ideas. If your machine has a fuel pump check it to see if it's working. Take off fuel line from carb to see if pump is pumping fuel. Check fuel filter. The problem may be clogged/ dirty carb. Use carb cleaner spray into carb throat , and approx. 1/3 can of carb cleaner into fuel tank.

Apr 06, 2014 | Yard Machines Heavy Machinery

1 Answer

HAVE WALBRO CARB WT324 WHEN PRIMING FLOODS THE CARB NO FUEL EXITS THE FUEL VENT HOSE ANY HELP


There are two connections on the carb, one is connected to the suction side of the primer bulb, the other to the fuel pick up pipe in the tank, the idea is the primer pulls fuel from the carb, into the bulb and back into the tank, if the pipes to and from the primer are fitted round the wrong way it will try to push fuel into the carb and make it flood, so check the suction side of the primer is connected to the carb, and the tressure side is back to the tank.

Mar 13, 2012 | Garden

1 Answer

No gas in carb husqvarna 141 chainsaw


Fuel gets to the carb via the fuel filter in the tank, the fuel hose up to the carb, and the impulse from the engine making the pump diaphram in the carb pulse and pump fuel, so start by replacing the fuel filter in the fuel tank, then check the fuel hose for signs of leaks, the impulse from the engine is fed through a pipe in the carb support block, you will need to remove the carb and block to inspect this, there is also a filter within the carb itself, this is sited under the pump housing of the carb ( alloy cover held with a single screw )

Oct 05, 2011 | Husqvarna , No.455 Rancher, 20" Gas -...

1 Answer

Wont start has spark will fire with carb spray was lookn for carb adujustments


If your bike will fire with carb spray, you need a lot more than a simple adjustment. I suspect that you are not getting fuel to the carb. While you have the air filter off, look just inside the mouth of the carb and you'll see a small brass nozzle sticking up. With the engine OFF, twist the throttle grip to wide open throttle position. You should see a stream of fuel squirt into the carb. If not, you don't have any fuel in the carb or the diaphragm in the accelerator pump is bad. Next, pull the fuel line off the carb or the fuel petcock. Crank the engine over and watch the fuel flow from the fuel hose. If it's weak or none, your petcock is bad. In 1996, Harley went to a vacuum operated petcock and they give problems. The diaphragm in the fuel petcock will go bad and you'll have a full tank of fuel but none gets to the carb.

Good luck
Steve

Aug 09, 2011 | 2000 Harley Davidson FXD Dyna Super Glide

1 Answer

Lots of fuel leaking out of fuel vent on carb. XTZ 750


Sticky float needle valve probably caused by dirt from the fuel / tank or accumulated fuel gum build up. Try tapping the float chamber. Failing that pull the float bowl off and carefully clean/ flush with carb cleaner spray.

Mar 23, 2010 | 1994 Yamaha XTZ 750 Super T?n?r?

1 Answer

Trying to put new fuel lines in all around... bulb has two connections, tank and carb. carb has two connections, I imagine that the tank/filter line goes into the carb, carb then goes out to bulb, bulb...


Fuel routing:
Tank to carb (filter on free end in tank, replace annually)
Carb to primer (primer sucks fuel through carb)
Primer to tank (primer returns excess fuel to tank) HTH
Lou

Oct 11, 2009 | Poulan Garden

1 Answer

Wont run, not getting fuel. disconnected fuel filter, still nothing. Can spray a shot of carb cleaner directly into carb, and will run until it burns the fuel then dies. Check and getting good spark.


you say it's not getting fuel? when you bypassed the filter was gas coming out of the fuel line right where it connects to the carb? If it runs on ether, carb cleaner or pouring fuel in the carb then your problem wont be the the carb or motor it will be something like a cracked, dryrotted or pinhole in the fuel line. Or something restricting the flow from the tank to the carb.

Aug 04, 2009 | Mantis 2-Cycle Tiller

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