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Showing results for tags 'vacuum'.
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I'm fitting a new carb on my King Quad LTF300. From China. Only one I could find in UK. I think it should have 2 vacuum ports. The vacuum port for the petcock is silver coloured. I can feel the pulsing vacuum. Putting the tube to the petcock there operates the petcock100% perfectly. I can't identify the vacuum port for the fuel pump. The new carb is identical to the old EXCEPT that in what I think is the 2nd old fuel vacuum position is a brass upright port with a very small hole. When running, there is no vacuum I can feel and putting the fuel pump vacuum line there does not give a decent fuel flow - only a small trickle. Is this the fuel pump vacuum port - see photo? The carb came with a silver coloured screw-ended 1.5 inch long loose port in the box. See photo. Is it intended that you unscrew the brass port somehow and put in the silver one? I'd really appreciate your help At the moment I can only do 10mph in a stuttering fashion on the level! Andrew Devon UK and put in the silver one?
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Another question...noted on 2005 350 yamaha bruin a number of vacumn tubes hanging and not connected to anything...bought the ATV used...is there anywhere out there that has a diagram of where these tubes are supposed to be connected to?...been on line and looking at the carb and air filter diagrams, they show the tubes but not where they should be connected to
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I have a 2002 King Quad 300 that has been a fantastic product until now. Starts well, idles well, upon acceleration, begins to run rough and won't to very high in RPM. I assumed fuel starvation or bad plug as the issue. New plug - no change. Have checked petcock valve which seems ok. Also checked pump, and thought that might be the issue. Called around looking for the replacement pump part, and local store suggested they were pretty reliable, and doubted that was the issue. Suggested a carb cleaning. Took the easy way out, and opened up the top of the carb, removed the diaphragm, and put some Seafoam in...and let it sit for an hour. Upon turning over, it wouldn't fire at all. After a couple of tries, seemed to get a hydraulic lock. So, pulled plug and turned over, spitting out a lot of fluid. Re-installed plug, same response. Now, getting gas leakage on to floor but haven't been able to trace it down exactly (suspect from carb but not from top where I re-installed the diaphragm). Any ideas? Thanks.