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Ryobi grass trimmer RPT-321 MA shaft - Garden

Posted by Anonymous on


6 Suggested Answers

  • 2 Answers

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

  • 4 Answers

SOURCE: My new Ryobi boggs down/ stalls as soon as I pull on the trigger.

You should have 2 small adjuster screws next to each other on top of the carb.Try adjusting each of them a little with a thin screwdriver as the engine is running.Put strimmer on the ground first and adjust screws while you are revving engine until it runs correctly.Trial and error and very small adjustments can make quite a difference.Hope this helps.

Posted on Jun 12, 2009

  • 148 Answers

SOURCE: Installing new string line for Ryobi 4 cycle straight shaft s430

Go to and download a free copy of the onwers manual.
Good luck!

Posted on Jul 14, 2009

  • 1 Answer

SOURCE: can not remove trimmer spool

Squeeze the spool cover as you turn.

Posted on Aug 31, 2009

  • 110 Answers

SOURCE: there is no air filter on my Ryobi c430 grass

I had a number of customers tell me that they bought this model at LOwes and had the same answer from them. I think its a planned failure on Ryobi's part. Their reply to me was that they dont need one because they work in a clean environment. I find this to be a stupid answer, I would recommend that you buy an airfilter for an older model that used the donut foam filter and slice it in half to fit in the housing without crushing it and imbeding the air flow, this will help tremendously. Good luck. MY advice from 44 years as a small engine engineer is to buy a name brand product from a company that stands behind them, and never sells them in a box..

Posted on Nov 01, 2009

  • 56 Answers

SOURCE: my ryobi grass trimmer will only run on 1/2 choke

Check for fuel supply problems (clogged cap vent, dirty tank fuel filter, clogged or faulty fuel intake lines, leaky or cracked primer bulb, air leak in rear crankcase cover...check 4 screws above gas tank, air leak in carb gasket...check carb nuts, trashed up carburetor...needs cleaning or rebuild, mixture screws need adjusting)....a myriad of possibilities here but I would guess it's a dirty carb....hope it helps

Posted on Jul 04, 2010

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