ch. All is OK.
What else can it be, any ideas????????
125bvx Hand Held Blower Vac

Experienced gardeners share their insights in answering this question :
Check to see that the air filter isn’t clogged. You may need to adjust the idle – there’s a screw on top near the handle – counterclockwise.

How to Identify and Fix Common Gardening Problems ?

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This engine model requires a 25 thousandths of an inch gap.
Spark arrestors are screens that limit the size of particles sometimes found in the exhaust gases of outdoor power equipment.
The carburetor or fuel filter might be clogged.

First, check the carburetor to see what has happened. If it`s clogged, there are three options: clean the carburetor, rebuild it, or replace it entirely. If a clogged fuel filter is the source of the issue, you`ll likely need to replace it.

The gap between the spark plug`s center electrode and outer electrode should be set at 0.02 inch, or 0.5 millimeter, for most Husqvarna trimmer models.
Measure the existing gap of the spark plug. Using your gap gauge or feeler gauge, run the tool through the electrodes to determine the measurement. Take note of the measurement and compare it to the recommended setting listed in the owner`s manual.
Check for a dirty air filter and replace if needed.

A clogged filter limits the amount of cool air that passes over the heat exchanger, causing it to overheat and shut off. At the same time, your blower turns on to help cool it down.

The fuel filter might be clogged. A clogged fuel filter is most commonly caused by leaving old fuel in the leaf blower. Over time, some of the ingredients in the fuel may evaporate, leaving behind a thicker, stickier substance. This sticky fuel can clog the fuel filter and cause the engine to stall.
The fuel filter might be clogged. A clogged fuel filter is most commonly caused by leaving old fuel in the leaf blower. Over time, some of the ingredients in the fuel may evaporate, leaving behind a thicker, stickier substance. This sticky fuel can clog the fuel filter and cause the engine to stall.
Sometimes the spark arrestor screen can become clogged up itself. Common symptoms include lack of power, especially under load; poor acceleration; engine won`t come up to full RPM; and higher than normal “spit back” through the carburetor.
If your blower is having a difficult time starting, then you may be dealing with a carburetor issue. The carburetor`s job is to ensure the proper mix of fuel and air is directed to the blower`s engine. As mentioned, the carburetor can become clogged, making it difficult for fuel and air to enter the engine.
A: This spark plug should have a gap set to 0.02 inches.
Side gapping spark plugs has been use in racing for years to increase horsepower by unshrouding the spark thus allowing the flame created to propagate faster resulting in a more complete burning of the fuel/air mix.
For most racing applications, you usually want the plug gap to be between 0.020 and 0.040 of an inch. Most engine builders seem to settle around 0.035 of an inch. Factors such as the type of ignition you run, cylinder heads, fuel and even timing can affect how much gap will work best for you.
A spark will spontaneously jump across a gap of 1 cm if there is a potential difference, of about 10,000 V across it.
Problems include dirty filters, broken wires, poor voltage supply and faulty limit switch or capacitor. You can test your limit switch with a multimeter, and clean the blower motor`s wire coils. If this doesn`t work, you may need to replace your furnace blower motor.
What Causes Blower Motor Failure? Like other components in your HVAC system, the blower motor can wear down over time. Some of the reasons a blower motor might fail are overheating, and excessive moisture. When dust, dirt, and debris build up, it can cause the windings and bearings to burn up more quickly.
What you may be experiencing is that, when accelerating, the intake manifold vacuum is decreased. Vacuum is used to change the vents from defrost to dash to floor. With a loss of vacuum, the system defaults to the defrost position.
Your motor will wear out over time—this is just part of the general wear and tear your vehicle experiences. As this happens, it means the motor won`t be able to push as much air through your vehicle`s HVAC system, so you`ll start to notice that the blowers aren`t nearly as powerful as they once were.
A Dirty Carburetor Can Cause a Lawnmower To Start Then Die

By far, the most common issue that causes a stalled motor is a dirty carburetor. The carburetor on your engine is the thing that draws in air and mixes it with the fuel. Contrary to what the movies might make you think, gasoline itself is not very flammable.

If your Husqvarna mower starts and then shuts off after 5 to 10 minutes or so, the problem is likely fuel related. Husqvarna says this may be due to a clogged fuel filter, restriction in the pick up or an improperly vented fuel cap. A clogged fuel filter restricts the flow of fuel to the tractor`s carburetor.
A: This spark plug should have a gap set to 0.02 inches.
The conventional gap settings are as follows: Racing Plugs 0.016″ 0.4mm. Coil (Standard) 0.025″ 0.6mm. Coil (Sports) 0.028″ / 0.032″ 0.7/0.8mm.

Discover Relevant Questions and Answers for Your Specific Issue

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The blower will start sometimes and just this weekend when using would just stop. I have replaced the spark plug and have checked the stop switch. All is OK.
What else can it be, any ideas????????
ANSWER : Check to see that the air filter isn’t clogged. You may need to adjust the idle – there’s a screw on top near the handle – counterclockwise.

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It will not start and has no spark. I pulled the plug and let it hang and had no spark. I did the same thing with a spark plug and still no change. Can anyone help me
ANSWER : First of all- your methods of testing spark are … unsatisfactory.
You need a spark tester and a good unit ground to determine the condition of the module.
For preliminary tests the spark plug needs to be grounded. Insert the plug into the spark plug boot and make sure there is a good connection and make sure the plug is grounded by touching the threaded part of the spark plug to a solid engine component. Usually the cooling fins of the cylinder or head. Once the plug is grounded proplerly then pull the rope and check for fire.
Once you are satisfied that there is no spark then unplug the ground wire from the module and check for spark again. If you have spark then its a switch or bad wire problem. If still no spark then replace the module.

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What kind of spark plug do i use in a pb-251c . i have a champion plug in it now but will not start check fuel filter seem to be ok im getting a spark at the plug and also added fresh fuel what can it be
ANSWER : NGK BPM8Y

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– how do I stop the piston from hitting the spark plug on my echo pb-251 blower?
ANSWER : You either have the wrong plug in it or the aluminium sealing washer is missing.

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Started PB620-ST yesterday with some difficulty. However, ran until fuel empty. Refueled today, but will not start. Spark at plug ok. Fuel flowing, but seems to overflow into air filter compartment. Does not seem to “fire” at all.
ANSWER : Sounds like your flooding the engine; I did the same thing. Wait a while to let the gas drain back to the tank. Use your primer bulb once and your choke for only ONE pull; then shut off the choke. Pull start without the choke 2-3 times and it should start.

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Using the blower worked fine, now will not start at all. have replaced plug, fuel fuel filter , piston looks good no real damage or smudge. good compression and have pulled switch apart and wonder if this could be the problem
ANSWER : Check to see if its getting spark when the switch is on if it is then see if its getting fuel the only two things i can think of would be the switch or needs a carb kit

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I have a pb-251. replaced carb, air filter, hoses, spark plug and cleaned spark arrestor. start easily. runs fine for 2 minutes and then stalls if I give it the gas but will idle all day long.
ANSWER : Loosen gas cap. Probably a bad Vent in the gas cap

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Poulan gas blower 30 c back pack blower ran fine stoped will not start no spark
ANSWER : Check switch is bad if not coil bad if not getting spark

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