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Does a zama RB 70A carburetorneed to be adjusted after being installed in a Echo PPF 210 pruner?

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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

#1 Taper
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SOURCE: After rebuild only runs on half choke.Adjusting screw doesn't help

The rebuild you did is correct, but did you clean the small ports in the carb.? I use a Den Tek Brush (used for cleaning teeth). They work great for this job. You may also want to check the small screen in the carb. The smallest of particles can cause this problem.


Posted on May 26, 2009

  • 302 Answers

SOURCE: Need rebuilding kit for echo wacker

try e-bay

Posted on Sep 17, 2009

  • 501 Answers

SOURCE: unable to adjust carburetor after overhauling, engine idle

most modern carbies have fixed jets.some you can pry off the caps and adjust,but usually if you need to adjust carbie,youve got other problems.stale fuel,not enough compression,vaccuum leak,spark plug faulty[oiled up]carb gaskets letting in air,needle valve adjustment causing diapragm to not open it enough.used the wrong gaskets in the kit[sometimes they have different model gaskets in one kit

Posted on Jun 29, 2010

  • 6468 Answers

SOURCE: echo power pruner loses power

try it with the muffler off they build up with carbon if better open the muffler and clean out the carbon

Posted on Apr 05, 2012

  • 2239 Answers

SOURCE: I have an Echo model PPf 210 pole saw, at first it would not start an run at all. I rebuilt the complete carb. with all new gaskets filter screen, everything new. I replaced all the hoses and fuel f

These small engines are very prone to blocking the spark arrestor in the muffler, or the exhaust port itself, check for heavy carbon deposits here

Posted on Sep 21, 2012

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Go to you tube, search how to adjust a 2 cycle carburetor... easier than me writing a book to ya plus you will get a visual as well....

Nov 02, 2015 | Echo Garden

1 Answer

Echo srm-210 powers up fine on a flat surface, but it cuts out after a few seconds in the upright (usable) position. I rebuilt the carb, cleaned muffler screen, good gas and fuel filter. tank lines seem...

Make sure you rebuilt the carb with a carb kit. Put a hose on each pipe coming out of the carb and blow and suck on them. One should seal completely and one should provide vacuum. If there is a leak, you need new check valves. If you rotate the trimmer and it runs poorly, you may have a pierced diaphragm.

Oct 22, 2013 | Echo Zama Carb Kit For Shc210 For Rbk66b...

1 Answer

Echo ppf-210 power pruner will not stay running? I have changed the plug, rebuilt the whole carb, new gas, etc. Still will not stay running? It will idle a small bit and as I pull the throttle I get no...

check the fuel filter to see if its dirty or not under fuel . also you will have to re-tune the carb . or check for compression in the engine it should be at 120 or above you may also want to change the plug

Sep 26, 2013 | Echo POWER PRUNER

1 Answer

High speed jet adjustment

the carb is dirty take the card apart the dirt is clogging the float

Aug 14, 2012 | Echo Garden

2 Answers

ECHO PB-250 blower new used one time carb.needs adj.can this adjusted

Your machine has a rotary-valve diaphragm type carburetor. These carburetors typically only have an adjustment for the IDLE speed with an available option to control the main jet with an adjustable mixture needle.

Here is the info on the Zama rotary-valve diaphragm carburetor.

Some have a small adjustment needle in the center pivot of the rotory part, under a brass plug...but most have nothing. Many end users and techs are complaining about the non-adjustable carbs. They are made this way to meet the more stringent EPA emissions codes that are getting tougher each year.

Jul 03, 2011 | Echo Gas Blower 135 MPH390 CFM Blower...

1 Answer

My Echo SHC-212 will start and slow idle but when I give it gas it boggs and stalls. I've changed the spark plug and I'm using the proper mix. Any suggestions? I was thinking of trying to clean the carb...

The prior posters must be from the Briggs & Stratton era :0] This is an EPA carb. You can only adjust the idle speed. The Echo SHC-212 uses the Zama RB-K75 carb.

My SHC-212 had the same bogg/stall symptoms. I had to disassemble and clean the carb to get rid of it. There is an internal filter screen that sometimes clogs. I soak and use compressed air to blow out all orifices. But the real problem is leaving ethanol gas in the carb during storage. It warps the delicate gaskets/valves. So buy Zama rebuild kit.

Dec 24, 2010 | Echo Zama Carb Kit For Shc212 Hedge...

1 Answer

I have a Echo Model PB-251 that when it sits for a day or two the cylinder will fill up with fuel (approximatell 1-2 ounces) once the plug is removed and the gas is dumped out the machine operates normaly

The carburetor is not shutting off the fuel flow. Your blower came equipped with a Zama carb. Series RB #K85. This carb is rebuildable using Zama's rebuild kit RB123. The rebuild kit is available from many sources online for about $10 plus shipping. A replacement carb is also available for about $50 plus shipping. If you choose to rebuild it yourself, be very carefule during dissassembly and take plenty of pictures and notes to know where everything goes. Once you have the carb apart, clean it very well and replace the needle valve. I highly recommend to pressure test the carb after you have overhauled it to make sure it shutting off the fuel flow. It you don't have much mechanical experience, then replacing the carb is your best and quickest option. These parts should also be available at your local Echo dealer. The prices may be slightly higher at the dealer. To have the dealer overhaul your carb is probably about the same cost as replacing the carb yourself.
Good luck.

Dec 07, 2010 | ECHO, Inc. PB-251C Handheld Blower

1 Answer


If you have one of the rotary-type, non- adjustable carbs, you may have to install a diaghram kit or rebuild kit as the fuel pump diaghram may need may only need to "tweak" the H-speed adjustment screw on this carb. If so, here is how Zama says to do it:
The tool used to adjust these carbs can be found on Ebay and is less than $10 if you don't rig one by your own methods.
Here is an application list from Zama so you may know what diaghram and/or rebuild kit to install.
Here is a cross reference to the carb's kits:
RB is complete rebuild kit and GND is gasket and diaghram kit.

Sep 14, 2010 | Echo 001106 Power Blower Helper Handle...

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