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06-29-2014, 05:30 PM
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#1 |
 Join Date: Mar 2013
Location: murphy n.c
Posts: 467
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bypassing vacuum petcock
my petcock is under my tank and would like to make it gravity fead like a lawn mower or motorcycle.there must be a diaphame in there for the vacuum to work.plugging off the carb where the vacuum hose goes wouldn't work cause the diapham has to work off sucktion.should I find something in a hard ware store that screwes into the tank with a outlet and just plug the vacuum hole on carb
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07-01-2014, 07:45 AM
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#2 |
Join Date: Jul 2011
Location: Connecticut
Posts: 493
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No.
You can find a fitting to eliminate your in-tank petcock, but you will also need a manual switch/petcock. I would not recommend you do so. I eliminated the petcock because I had the outside of tank gravity fed petcock. You do not have this. I do not understand why you are doing this modification.
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2011 Roketa MC-23-150 4T 150cc 157 qmj 24mm carb w 115 main jet and paper cone air filter Manual petcock w Tygon fuel lines Scrappy Dog Scooters Retro-slash stainless straight-thru exhaust RED spring clutch Adjustable CDI (brand unknown, it's blue and red and works great!) KOSO high performance variator w 12g sliders Gates Powerlink 835-20-30 belt GPS verified 65mph on flats. |
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07-01-2014, 09:42 AM
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#3 |
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Join Date: Mar 2013
Location: murphy n.c
Posts: 467
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I was thinking I have a vacuum leak.reason for thinking this is if I don't start it every day it is hard to get it started.i have to take the intake boot off and put my hand over the carb and then it starts right away.maybe this is happening cause I need a enrichener.i tested it and it doesn't move when I put power to it.when I suck on the vacuum from the tank gas comes out of the filter so im assuming my petcock works.i did replace that 70 miles ago
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Linear Mode
