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ECHO PB251 BLOWER. Noticed fuel running out of muffler. Cleaned spark screen, installed new airfilter, fuel vent, fuel filter. Ran unit - engine quit while at full rpms - will not start. Clicking noise from unit when pulling starter rope.

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2strokeJim

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Posted on Dec 27, 2011

2strokeJim

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Joined: Apr 05, 2011

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Your flywheel has come loose on enj., this throws the timing off so it is firing at all different times except for when it's supposed to. therefore raw fuel is running right through the cylinder and out exhaust, If you are lucky you won't have to replace the 60.00 flywheel! remove fan side of case,and remove blower wheel, then flywheel nut then flywheel, it has a built in key in it, usually this is wasted from coming loose, make sure you use loctite and an impact to tighten flywheel nut back after you repair/replace flywheel.

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I have an Echo PB251 Handheld Leaf Blower that I just installed a new carburetor on and it still won't start - WHY?

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remove the muffler and try it carbon plugs up the screen inside if runs good with out the muffler open the muffler and clean the screen

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Have a PB 251 blower 2 years old , gets used a lot . it quit on me coughed and stoped . I took apart the fuel system and carb cleaned it and still have no luck starting it again . It seems to be getting...

if it has spark and doesn't fire on starting fluid try taking off the muffler and run it if ok open the muffler and clean the screen off

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Apr 23, 2012 • ECHO, Inc. PB-251C Handheld Blower

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Went to start bp251 blower after sitting in shed for a week, pull string was very hard to pull. took off plug a lot of fuel came out of plug hole . also checked muffler screen,was clean. there was quite a...

Take plug out turn blower to where plug hole is down pull starter cord many times until all fuel is out. Clean plug, install, try starting without priming or choking. If no start try priming just until you get fuel to engine. Try starting again. If this works when storing blower leave fuel cap slightly loose in very hot weather until you want to start.

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Aug 09, 2017 • ECHO, Inc. PB-251C Handheld Blower

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I have a Echo PB-260L Blower. It starts fine then gradually loses power sometimes completely shutting off. I have replaced the fuel filter spark plug air filter and have cleaned the screen.

Check the exhaust port upstream from the muffler and make sure it is not restricted with carbon. Mine was less than half way covered over with carbon. Scraped out carbon, checked muffler and screen(ok), back-blow the fuel line harness including the fuel filter and fuel tank vent and took carb apart and blew out all passages, not replacing anything and now runs fine. Would not rev past high idle before. Be sure gas is FRESH and mixed at 40-50 to 1. Hope this helps.

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Jul 14, 2010 • RTO Echo 25.4 Cc Backpack Leaf Blower -...

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PB251 runs 1/2 speed. Can't get full

several months ago I worked on a friends blower same thing you did and still could not get the right rps pulling my hair out i started to take it apart again this time when I started it i noticed some fuel popping back out of the carb and just for the heck of it i turned it over a checked out the exhaust bam there it was the exhaust port was clogged with carbon i took a small screwdriver cleaned out that exhaust port and it was like new hope this is your problem to

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Apr 15, 2010 • ECHO, Inc. PB-251C Handheld Blower

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Can't get my Echo PB251 Blower to rev up at all, unit is 8 mo.s old was running fine now all of a sudden won't rev up, I have changed plug gas filter,cleaned all filters including spark arrestor changed...

guarantee exhaust is clogged maybe not muffler but exhaust port pull muffler off check screen and muffler then look into exhaust port usually rectangular port is closed down with carbon pull starter slowly to lower piston then scrape out carbon with screwdriver clean as good as possible then blow cylinder out make sure to get all pieces of carbon out reassemble should run fine

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Jun 14, 2009 • ECHO, Inc. PB-251C Handheld Blower

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Can't get my echo to rev up

Your carburetor needs cleaned, or you need a new carb. kit. If you need tips on how best to do this, let me know.

Jim

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Jun 03, 2009 • ECHO, Inc. PB-251C Handheld Blower

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I have an Echo PB251 Handheld Leaf Blower that I just installed a new carburetor on and it still won't start - WHY?

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ECHO PB251 BLOWER. Noticed fuel running out of muffler. Cleaned spark screen, installed new airfilter, fuel vent, fuel filter. Ran unit - engine quit while at full rpms - will not start. Clicking noise from unit when pulling starter rope.

1 Answer

2strokeJim

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I have an Echo PB251 Handheld Leaf Blower that I just installed a new carburetor on and it still won't start - WHY?

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Trustworthy Expert Solutions

ECHO PB251 BLOWER. Noticed fuel running out of muffler. Cleaned spark screen, installed new airfilter, fuel vent, fuel filter. Ran unit - engine quit while at full rpms - will not start. Clicking noise from unit when pulling starter rope.

1 Answer

2strokeJim

Add Your Answer

Attachments: Added items

Related Questions:

I have an Echo PB251 Handheld Leaf Blower that I just installed a new carburetor on and it still won't start - WHY?

Echo pb500t stallas when choke is opened

Echo pb251 blower wont start

Have a PB 251 blower 2 years old , gets used a lot . it quit on me coughed and stoped . I took apart the fuel system and carb cleaned it and still have no luck starting it again . It seems to be getting...

Went to start bp251 blower after sitting in shed for a week, pull string was very hard to pull. took off plug a lot of fuel came out of plug hole . also checked muffler screen,was clean. there was quite a...

I have a Echo PB-260L Blower. It starts fine then gradually loses power sometimes completely shutting off. I have replaced the fuel filter spark plug air filter and have cleaned the screen.

PB251 runs 1/2 speed. Can't get full

Can't get my Echo PB251 Blower to rev up at all, unit is 8 mo.s old was running fine now all of a sudden won't rev up, I have changed plug gas filter,cleaned all filters including spark arrestor changed...

Can't get my echo to rev up

Not finding what you are looking for?

Garden

I have an Echo PB251 Handheld Leaf Blower that I just installed a new carburetor on and it still won't start - WHY?

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