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Post by phatboy on May 26, 2015 1:47:24 GMT -5
2-stroke 49cc scoot.
My vacuum fuel valve failed in a stuck position, and partially open, whether running or not you get a slow dribble of fuel out of the tank, it is enough that the scoot can idle but if you try to ride, it will starve for fuel a couple blocks down the street and won't start again until you let the float bowl fill back up.
So, first question, is the fuel valve serviceable, that is can you crack it open and either gut it (so fuel flows freely and at least I can ride the scoot until a new one gets here) or attempt a repair of diaphragm or seals or other parts inside?
Second question, are the threads on fuel valves standard for scooters, so I can order a replacement?
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Post by geh3333 on May 26, 2015 2:39:35 GMT -5
Is your gravity fed ? Is so , just gut rid of it and replace it with a manual shutoff valve . if not , well you need a new one , lol.
I wasnt laughing cause u may need a new one , just because I stated the obvious, lol.
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Post by phatboy on May 26, 2015 18:46:31 GMT -5
I have a new one on the way from China. USA sourced ones were twice the price and probably also from China anyway. I can wait for it to get here, but would still like to modify it to flow freely all the time to ride the scoot in the meantime.
This is the kind that screws onto the tank, however, research indicates that the threads are different from manual motorcycle petcocks, though I can't verify that. Don't think I really want a maunal valve anyway though.
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Post by geh3333 on May 26, 2015 19:13:40 GMT -5
I have a new one on the way from China. USA sourced ones were twice the price and probably also from China anyway. I can wait for it to get here, but would still like to modify it to flow freely all the time to ride the scoot in the meantime. This is the kind that screws onto the tank, however, research indicates that the threads are different from manual motorcycle petcocks, though I can't verify that. Don't think I really want a maunal valve anyway though. I love my manual shutoff valve. You really don't have to worry about those cheap petcocks not working properly. Also you can illuminate the vacuum lines ! I never even shut mine off unless I'm messin with thee fuel lines.
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