Where dose the vacuum pipe connect to from the fuel tap.
I have a 1991 Suzuki GSX600F and on the fuel tap it has 3 outlets. I know the two larger ones are the fuel and the smaller is the vacuum. I cant seem to find where the vacuum pipe connects to from the fuel tap. Dose it connect to the engine, the carburetor or somewhere else? I have a Haynes Manuel but it dose not show it for some reason. Any help would be gratefully received. Thanks.
Testimonial: "Bit late but thanks... I did find out that it can be connected to one of the vacuum fittings on top of any of the carbs as well.. The ones you use to balance the carbs as long as others are blocked off as normal..."
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Im pretty sure the two bigger pipes are the fuel pipes and they go from either side of the fuel tap to the carbs one is on and one is reserve.then the smaller pipe goes on the fuel tap to the smallest outlet and then goes to the top of the 3rd carb diaphragm cap.if it's the same as what we call a gsx750f in the UK.
If you are in a location with high humidity there is a chance water built up inside the tank. Best solution would be to completely drain the tank and refill with new gas. Run position on the fuel tap is 6 o'clock.
check the vacuum pipe it runs from inlet on number4 pot to center of fuel tap simply works by suction pull pipe off from where it joins inlet
noting where it came from leave it connected to centre of fuel tap remove other two pipes also notinting position they came from
now clean loose end of the vacuum pipe place pipe between lips and apply suction nothing but air should flow through this pipe
but this test will open diaphram in tap fuel should flow from other two pipes
if any fuel comes through vacuum pipe diaphram is gone replacement parts availible for this on major auction site and wemoto.com
this bike has a vacuum tap one pipe from carbs will have suction when cranking motor this pipe attatch to smaller pipe on tapyou will have athicker pipe from carbs(fuel supply ) attach to thicker pipe on tap breather pipes run over air box and down
yes that is definatly the vacuum pipe that should be connected to the fuel tap you will find there is a smaller part on the tape for it to go on you will most likely have to get the tank close to to reconnect it unless you can get your hand under to refit it
There are three connections to the fuel pump.
Fuel in/out at ends, the pipes should only reach to the correct ends. The IN pipe connects to the end toward front of the bike , OUT toward the back heading to carb.
A small connection on the back for the vacuum pipe from the carb.
This pump only spits the fuel along rather feabley, also check the gause on the fuel tap. When bleeding, remove the fuel pipe from the carb and blow into the tank in order to force the fuel through the pipes until all air is removed.
the fuel line(the bigger of the two)which will come from either between the carbs or offthe left hand carb,is connected to the main fuel tap(larger outlet) and the vacuum line will come from the front of one of the carbs(on the engine side)and should be tapped into the inlet manifold,this pipe (smaller dia)goes to the other outlet on the fuel tap,these are a vacuum pump inside the fuel tap assembly