Question about Husqvarna Carburetor 503281516 Blower Fits 225 Models

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My 145bt husqvarna back pasck blower chokes out when u throttle it up. It will run a little if it is half way choked. I removed the carburetor and cleaned it and replaced all the fuel lines and fuel filter. The carb is not adjustable so I don't know what to do. Can u help?

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Posted on Jan 02, 2017

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SOURCE: blower does not start. carb

how many lines run into the carb or come out of the gas tank maybe you got them mixed up

Posted on Nov 30, 2010

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SOURCE: Blower only runs with full

it may simply need the high speed jet opening up a bit (2 screws near eachother on the carb and the high speed is furthest from the engine)
failing that it needs a carb kit.... this is a serviceable item changed regularly.

Posted on Mar 14, 2011

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2 Answers

I have an older craftsman snow blower 10 hp. It starts ok with full choke, runs ok half choke, backfires with no choke-run position.


It's too lean; not enough fuel mixed with the air. Look for the main mixture screw--it should be a large screw with a spring under it on the carburetor. Run the engine until it's warm.

With the engine running, turn the screw outward (lefty-loosey) about 1/8 turn slowly and see if it improves. Slowly turn the screw back and forth until it runs best with the choke completely off. Then set it 1/8 turn richer (turn screw outward 1/8 turn) than the best position.

Reason for doing this: Conditions change, even the barometric pressure. Small engines run okay if they are a little rich but not if they are a little lean.

Mar 03, 2015 | Garden

1 Answer

Put choke to run it pops put choke half way runs good


dirt or water in carburetor.Choke helps suck more gas in engine to run better.

Dec 28, 2013 | Garden

2 Answers

Leaf blower runs on half choke


My craftsman leaf blower ran great for 4 years.. It stop running on me one day while using it.. I replace the carb, muffler and fuel filter with a new one.. it still will only run when the choke is half closed and don't run good doing that.. I have also noticed oil around the plug and muffler. I have to use either to get it started and I noticed when I pour a little oil in the spark plug hole before cranking it seems to run loner but not at full throttle think it might be piston rings shot.

Nov 11, 2013 | Craftsman 25cc Gas Blower

1 Answer

I own a Husqvarna 128LD. My trimmer works on full choke, half choke, and when in the run position...it runs...but when the trigger is on balls to the wall throttle, it goes dead. What is my next move?


The next step is to richen the fuel mixture on the H screw on the carb, there is a special tool required to turn the adjuster screws because they have a splinr rather than a screw driver slot, the tool is part np. 530035560 unscrew tthe H screw 1/4 turn anti clockwise.

Aug 07, 2012 | Garden

1 Answer

New Husqvarna 30 cc 2Cucle Gas Backpack Leaf Blower Can not get it to start. Need starting instructions.


Turn the switch to on, push the primer bolb about 8 times to get the fuel up to the carburetor, put the throttle about 1 quarter to a half way up, put the choke on closed and it sohould start. When it sputters open the choke slightly. Let it warm up and open the choke completely.

Mar 19, 2011 | Husqvarna Garden

1 Answer

My husqvarna 125bt blower chokes out when given full throttle


Most likely the high speed needle on the carburetor need to be turned in(clockwise) just a little . But it could be other things also.

Jan 30, 2011 | Husqvarna Backpack Blower 25cc, 140 Mph,...

3 Answers

Craftsman blower stalls when choke is disengaged


You need to play with the timing adjustment, either on the spark plug, or the gap between the contact and the magneto.
That'll do it ;)
Don't forget to rate, thanks

Jul 31, 2009 | Craftsman 4 Cycle Blower/Vac

2 Answers

Gas leaf blower runs at half speed


First you will have to get a carburetor kit ,it consists of diaprams and inlet needle,you then remove the two srews that hold carburetor on the engine and remove gas lines,also the throttle cable remove screws that hold ends of carburetor on under these you will find the diaphrams and needle remove these be carefull not to loose the little spring under the needle lever.
!get you a can of carburetor cleaner and spray carburetor the blow it out with air you will notice little jets in carburetor that have to be clean use a wire from a bread tie to clean them out install new gaskets and diaprams in same position you took old ones off.you can also look at carburetor to see what kind it is walbor,zama,tilloson? type the name in google search and can get a diagram of carburetor if you loose your place,or just ask me.

May 15, 2009 | Homelite Consumer Products MightyLite...

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