Question about Husqvarna 28cc Hand Held Blower HVH 125B

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Brand New Husq 125B runs then dies...

My brand new Husqvarna 125B blower, right out of box, first time using, added correct oil/gas mix, had no trouble starting, warmed it up, but while using for 1 minute on high it starts to slow... slow... slow, then stalls. Restarts quick then same thing. Whats up ?

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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rwvanlue
  • 486 Answers

SOURCE: my leaf blower will start but wont run

fuel system needs cleaned
check fuel lines
filter
remove carburetor for replacing diaphragms/gaskets

Posted on Nov 08, 2009

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  • 430 Answers

SOURCE: I have a Husqvarna 125B handheld blower, will not stay running

probable clogged screen in carb. rebuild carb with a kit. also check fuel lines and fuel filter

Posted on Nov 23, 2009

  • 1 Answer

SOURCE: I have a Husqvarna 125B leaf blower with less than

run for 10-20sec. cut off

Posted on Nov 06, 2010

daneinwv
  • 124 Answers

SOURCE: husky 125B blower, new right


Hello,
My name is Dane and I am going to assist you in solving your problem.

You will need to adjust the high speed setting on your Carburetor jet. Turning the screw out just 1/2 turn or so should do the trick. It is not so hard to adjust the Carburetor, however, yes you do need a special tool that is very hard to get your hands on, in order to adjust the jet screws. They don't make many engines with plain screw heads anymore. The newer Carburetors are factory set lean so they can pass emission standards. Since you just bought yours, a local husky dealer should adjust the mixture for free. I hope I've helped. If you found this reply useful, please leave me some THUMBS UP, if you feel I

Posted on Dec 09, 2010

  • 130 Answers

SOURCE: I have an Husqvarna 125B

The carburetor has an inlet needle that prevents fuel flow when the unit is not in use. There is a certain amount of "pressure" in the fuel system since the fuel cap vents in but is not designed to vent out. The inlet needle will hold off a certain amount of fuel pressure but if it becomes greater than the spring tension that holds it against the seat, it will "pop off" and allow fuel to flow into the carburetor. By the same token there is a diaphragm that opens the inlet needle when the unit is being started and while it is running. The diaphragm works off of atmospheric pressure outside the carburetor to open the needle and allow fuel flow. If the diaphragm becomes "hard" and does not flex back and allow the needle to close, it will also allow fuel to flow and cause a flooding condition. Hope this helps to send you in the right direction.

Posted on Feb 16, 2011

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