Question about ECHO, Inc. PB-251C Handheld Blower

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It starts and will idle but when reved up will

I cleaned up the gummed up carburator and changed the air and fuel filters on my echo hand blower. It starts and will idle on low, but when reved up will slowly die out. Took the muffler off and it keeps running that way but of course is very noisey.

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THEN YOU MAY HAVE A PLUGED UP MUFFLER

Posted on Nov 19, 2009

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1 Answer

Echo pb 500t. Starts and idles OK. When I advance throttle, why does it die?


Hi Alex:
Odds are pretty good that the screen in the muffler is plugged with carbon. The back pressure will stop it from running.
My suggestion?
Remove the muffler. Clean all the bits in solvent and air blow dry.
Re-assemble and
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Hi i have a 4stroke 125cc pit bike it wont start tried bump start sorted turned over but when i reved it didnt respond then died any ideas


Tryd go to auto shop and check the carburator of your motor and clean your air filter adjust air setting in carburator and put a new fuel pump check fuel setting in carburator

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I can't prime my carburator on my Echo GT200r weed wacker?


clean your fuel filter and then clean your carb and replace diaphram and needle and make sure hoses are good while you are at it, the methanol causes needle and diaphram to get stiff and gum up not letting fuel into carb when primed, replace your primer blb while at it

Sep 17, 2011 | ECHO, Inc. PB-251C Handheld Blower

1 Answer

I have an PB250 echo blower which starts fine but i can't give it throttle, it seems like it's not getting fuel or air


What I do is take the carb off being careful not to break any gaskets, take it completely apart soak it in carb cleaner blow the parts dry and reassemble. replace the fuel tank filter, plug if fouled, and readjust the HI & LO speed jets. Works for me several times, leaving fuel in the tank and carb it gums up, run the carb dry before storing.

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Only runs on choke, will not rev-up. took exaust off did not change, fuel is filter clean, plug has been cleaned, new fuel and let idle till it got hot, still will not rev-up


Your description sounds like fuel restriction in the main circuit. Sometimes you need to soak the carb in carb cleaner and then blow out passageways with compressed air.

There is one "cheat" but it involves some higher throttle, and that is you remove the air filter, rev up the unit and briefly place palm over the intake. Sometimes this is enough to pull the obstruction free.

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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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1 Answer

Echo shred n vac starts,idles, runs to about half power then bogs


Check the grommet that sits on top of tank where lines from go carb. Grommet may be rotten and crack. Try that. Have you ever replace the carb repair kit? The diaphram may be torn, defoam or have holes in them. Carb kit cost arount $10, but don't mess with the welch plug or screen in carb.

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Echo Blower PB-403T will not start. I replaced the air filter, fuel filter and spark plug. The fuel line inside the gas tank had broken off at the top. I reconnected and it still will not start. Previously...


Should be two fuel lines coming from fuel tank grommet. One feeds the carb's primer plate and the other returns from the same. Open the fuel tank and observe while pressing the primer. If you see fuel pumped INTO the tank while pushing the primer and pulled FROM the tank when the primer is released, you're OK. If not, the lines are backward. Filtered line is on SUCTION side of primer bulb. Unfiltered line is on PRESSURE side of primer and is simply a return to the tank.
Next, concerning the coil: Air gap should be .010 inch at the magnet. Echo ignition coils are warrantied for life to the original purchaser, so don't tamper too much with it. Check gap and check fire with a spark tester. If no spark with switch in on position, take it to an AUTHORIZED SERVICING dealer, found here.

Hope this helps,
Dolf-

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1 Answer

Motor not accelerate past idle, bogs down...


yes,check your spark arrestor screen in the muffler

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