Question about Ryobi Backpack Blower 25.4cc

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Ryobi backpack blower will run all day with choke up but as soon as I pull the trigger it starts bogging down

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Thats a lean condition. Check fuel lines and fuel filter. If the fuel ilnes are discolored or stiff or really super mushy, If the fuel filter has become detatched from the fuel line then the fuel lines need to be replaced.
If the carb can be adjusted you can try to adjust but its likely that the carb should be rebuilt with new diaghrams and gaskets.
Adjust by turning the low speed screw out ( counterclockwise) 1/2 a turn. The low speed screw is always the one closest to the motor and usually marked on the carb body with an 'L'. When you richen a motor up the idle will drop so you will probably have to turn the idle screw in 1/2 a turn. 1 and 1/2 turns out from light bottom is standard starting point ( 2 turns for poulan products). If you get more than 3 and 1/2 turns out on the low speed screw or if turning the screw has little or no effect then the carb should be rebuilt.

Posted on Dec 13, 2009

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1 Answer

Ryobi 9600 backpack blower. Starts great. Set to run, continues running. Upon attempt to use throttle, engine dies. Acts like choking out but removed carb cover an choke is no closing.


this sounds strangely like the high speed jet/pathway in the carb is clogged up with something ,

the best way to fix it is dissasmbly and cleaning of carb in solvent , but ive also had some limited sucess in past of using car fuel cleaner (says on bottle "cleans as you drive") too

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I have a new Ryobi RY08420 new out of the box. It starts fine and seems to idle fine. When I go full power, it is almost like the choke lever vibrates further back and causes it to bog down. If I adju


Running too lean at full throttle. Yes you need enrich the high speed mixture a little but make sure the blower has warmed up first that if the carburetor is adjustable.

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Blower bogs down and kills at full throttle


Check the following, then clean or replace:
  • Fuel Filter - Located IN the fuel tank
  • Spark Plug
  • Spark Arrestor - at muffler port, creates resistance of exhaust flow, engine then bogs
  • Carburetor - may need a rebuild kit
Then watch this...

and...

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1 Answer

Blower will only run on full choke ryobi ry08578


They aren't designed to run with full choke on, the choke is for starting cold engines only, many times you can choke them pull the cord a few times and then turn the choke off or turn it down to start it. Then slowly reduce the choke until it runs fine on its own.

May 06, 2010 | Ryobi Backpack Blower 25.4cc

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Engine starts easy. Engine can only achieve high


eitrher a clogged fuel filter thats in the tank, old gasoline or the fuel pump daiphragm in the carb has hardened

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Won't keep running except at 1/2 choke or a little above


ahter you start it up turn choke too off position

Feb 26, 2009 | Ryobi Backpack Blower 25.4cc

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The trigger on my ryobi backpack is not functioning properly.


You need to buy a new cable, clarified by Ryobi Tech Support.

Jan 18, 2009 | Ryobi Backpack Blower 25.4cc

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Blower wont run at full throttle


Start with the spark plug it is the easiest.

But sounds like the carbourator is dirty, Probably fouled with old gas varnish. When it is idling give it a little throttle, flip the choke on and then full throttle. If it goes full throttle and doesn't conk out, it is a fuel issue.

Good Luck

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Homelite 26bp backpack won't run up to full throttle


I have let my leaf blower run and warm up before throttling up and still it bogs down and shuts down. There is no air cleaner to clean should I just blow out the carb. and fuel lines?
It runs and idles just no high speed to blow.

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