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Anonymous Posted on Jul 29, 2014

What should the Float Height in my carburetor be?

It didnt leak out of the overflows the other day but once i connected the carburetor to my bike without it running it started to flow out of overflow again, guessing i need to adjust float height. dont know what to adjust it to?

1 Answer

Datamaxster

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  • Contributor 12 Answers
  • Posted on Jul 30, 2014
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Joined: Nov 24, 2013
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Floater height i have adjusted to 2/3 level of all carb reservoirs individually and to date it has been performing to the best. 23km/ltr dual carb GS450E.

4 Related Answers

Anonymous

  • 3600 Answers
  • Posted on Aug 23, 2009

SOURCE: float height 1996 gsx r750T. Where exactly on the

you put it on the float base and allow the float to drop down and read the gauge where the float is read the top of the oppiste side where the float is hinged.

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Anonymous

  • 49 Answers
  • Posted on Apr 03, 2010

SOURCE: NEED TO KNOW FLOAT LEVEL HIGHT. REPLACED FLOAT AND

the common rule is to have it adjusted within 2mm of where the gasket meets the carb and bowl. get a clear hose about 6 in long and connect to where the fuel is flowing out of while bike is off. bend it to where the side of the hose runs up and down next to your carb. it will show where your level is. then keep adjusting till its around the gasket. also check to make sure the rubber valve isn't missing or damaged in your float.

Anonymous

  • 267 Answers
  • Posted on May 08, 2010

SOURCE: floats not set

Float tabs come set flat to surrounding plate, bend up to decrease level and down to raise level. Raised level too much and you risk fuel overflow on sustained inclines and too low a level and you will lean out at high revs and damage valves/piston real quick. There is no set level to speak of, but better to err on the side of losing a bit of overflow. The overflow drains from the carby via a plastic hose from just above float bowl flange.
Cheers.

John Wilson

  • 37 Answers
  • Posted on Jun 15, 2011

SOURCE: Need to know the float adjustment for the

I would try and set them to the most level setting I could get That would work for a start and then go from there I seems like you have them set to high

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What is the float adjustment on the carb I know how I just need the measurement on it

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Yamaha v-star float bowl adjustment

No. Wrongly adjusted float height makes the engine fail to run.
If you get over flow leak (from the overflow hose) your fuel needle inside the carburetor simply does not close the gas supply hole firmly even if the floaters still pressing it against that hole.
That is because the over flow holes on a carburetor are so far above the floaters that even with the float height wrongly adjusted, the fuel needle should stop the gas from overflowing and simply made your fuel mixture too rich.
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Sticking floats or worn float valve needles or incorrect float height, tap float bowls to see it overflow stops (sticky float), remove and clean float bowls and fuel inlet passage with carb cleaner and compressed air, check float valve for wear to the rubber tip. Reset float height by slightly bending the metal tab on the float to adjust the closing height of the valve measure from the carb bowl mating surface to the top of the float when fitted then re adjust 1mm at a time higher untill fuel doesnt over flow.
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1979 dt 175 lower fuel overflow line is leaking gas until I start the bike, then it stops while the bike is running. When I shut the bike off the fuel starts running again till I shut off the gas. What...

Two possibilities.
1. Your float needle is leaking (most likely). Remove the carb, remove the float bowl. You will see the float itself and it has a tang that touches the float needle. Remove the float and inspect the needle and its seat for dirt or wear. You could try gently tapping the float bowl first, as this may dislodge and dirt, but thats a short term solution.
2. The float level is incorrect. You will need to bend the float tang to adjust. However, find out the float height for your bike first.
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