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Husqvarna k760 will not prime and/or run properly

Unit was getting hard to start so did compression test(100lbs), inspected and cleaned carb, inspected fuel lines(no holes), replaced fuel filter and primer bubble, and cleaned spark plug, check gas tank vent and it is ok. unit will fire up and run for about 20-30 seconds and dies. i figured it has an air leak but can't find it.

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  • Garden Master
  • 14,251 Answers

Get a carb. rebuild kit ,these models have carb.problems and need rebuilding,shop charges 70.00,get kit for 10.00 and diy.

Posted on Dec 12, 2012

6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

picatudo
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SOURCE: Chainsaw is extremely hard to start and won't stay running.

adjust the two little screws on the carburator

Posted on Dec 31, 2008

  • 332 Answers

SOURCE: Husqvarna 55 Chainsaw (1999) - Runs OK for 1 minute then stalls

I think your on the right track
Blowing compressed air through your tank vent
is great but it is way more air than the natural asperation
that the saw pulls on it own
I would replace the vent cap and also look for a pinched fuel line between the fuel tank and the carb

Posted on Apr 07, 2010

  • 17 Answers

SOURCE: Husqvarna 350 running problem

Pull off the exhaust, does the piston look ok?
If scored thats not good.
If ok check fuel filter , pressure test lines or remove and check for cracks. Just a start but check easy stuff 1st or get back to me with more info, cheers

Posted on Dec 28, 2008

  • 211 Answers

SOURCE: husqvarna 51 died and wont restart

hi
if you have a good compression,a strong enough blue spark and carburetion for the fuel air mixture try priming the engine(put small amount of gas in the spark plug hole)then start the engine.If the engine runs only the gas you put inside the cilinder there is a carburetion problem to find and fix.
let me know regards savumihai71

Posted on Apr 29, 2010

  • 4088 Answers

SOURCE: I have a husqvarna 450,

Check the fuel filter for plugging. Check the fuel lines for decay or other damage. Make sure the carburetor fasteners are tight, especially the carburetor to cylinder fasteners. Did you check the lower chamber diaphragm when you were working on the carburetor? It should be flexible with no holes or cracks. Go to: http://www.drystacked.com for a 12 page article on Walbro brand carburetor theory and troubleshooting. This information applies to other brands of carburetor as well. Hope some of this helps!

Posted on Aug 08, 2010

Testimonial: "I will try the fuel filter. Got to find it first"

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hi
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If you have good compression and spark at the spark plug try priming the engine(put some fuel mixture in the spark plug hole),set the carb adjustment(highh speed H=3/4 turn and lowspeed L=1 1/4 turn,turn the scews clockwise until the end and then set them.Try to start the engine.If it runs only the gas you puted inside the cilinder and then stops you have a fuel delivery problem to find and fix.First disassembly ,check and clean the carb.Then the fuel filter and the hoses.Let me know. best regards savumihai71

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