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Ryobi BP42 leaf blower- high speed works fine but when you pull the trigger it stalls! What is the problem? Put in new gas lines, carburetor, gas filter and fresh gas.

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  • 363 Answers

Stating the obvious it is running too lean on the mixture screws, you may well need a special tool to do this, but you need to open ( anti clockwise ) the H screw on the carb about 10 minutes on a clock face, this will richen the mixture and aid acceleration.

Posted on Oct 24, 2019


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6ya staff

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Posted on Jan 02, 2017



  • 81 Answers

SOURCE: stalls out

This is usually caused by a stopped up muffler. Remove the muffler and see if this makes a difference. If it runs smoothly without the muffler then you must clean the "kook" out of it. This is done one of two ways. If you have a torch, even a portable handheld one, you can burn the muffler clean on the inside by removing it from the equipment, placing it on a burnproof surface and aiming the torch inside the muffler, letting it burn for 7 to 10 mins.
Also you can build a fire either outside if you live in an area this is allowed or in your fireplace if you have one, and just toss the muffler into the fire. This will remove the carbon buildup in the muffler, Just remember...LET THE MUFFLER COOL COMPLETELY ON IT'S OWN NOT DIP IN WATER as this will warp it and it will no longer seal tightly to the engine. This should solve your problem.

Posted on Jun 15, 2009


jeremy fountain

  • 169 Answers

SOURCE: Existing gas line fell aport. Have new hose but


Posted on Nov 24, 2009

mike butler

  • 6468 Answers

SOURCE: ryobi leaf blower stalls when i give it gas idels fine but when i pull the triger it stalls

remove the muffler and run it if ok with the muffler off open it up and clean the screen inside

Posted on Jun 21, 2012

Doug Paulson

  • 1 Answer

SOURCE: I can not get my craftsman leaf blower to start. I put a new spark plug and fresh gas. Won't start.

Not to sure without seeing or hearing it being pulled over. Compression? Very likely needs some carb work/kit.

Posted on Apr 04, 2013


  • 796 Answers

SOURCE: blower stall after running a few minutes at high speed

Check that the pinhole vent in the gas cap is clear.

Posted on Dec 15, 2013

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