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I have a Ryobi 780r that won't run unless it is on choke. The moment I remove the switch from choke to run it shuts off.

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  • 322 Answers

This means you have an air leak somewhere adding more air than fuel with the choke off. With the choke on it blocks off the fresh air coming in and mixes with the maverick air from the air leak. You need to find the leak and fix it or you may damage the unit

Posted on Jan 16, 2013

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

boscia
  • 163 Answers

SOURCE: ryobi weed trimmer

check the fuek lines for hole and leaks, check the fuel filter and clean if necessary. remove the carbuerator and inspect the gasket; it should be soft and flexible, if it seems hard or brittle replace it. clean the carb with carb cleaner sray (available at any local auto parts store) and compressed air. make sure you get inside the small fuel rail holes. also check the primer bulb for pin holes and proper seating/seal. i

Posted on Nov 29, 2008

#1 Taper
  • 1040 Answers

SOURCE: My Ryobi 705r strimmer won't run !

The carburetor needs to be disassembled and cleaned with carb. cleaner. Or, it needs a new carburetor kit. If you need tips on how to do this, just let me know.

Jim

Posted on Jun 04, 2009

#1 Taper
  • 1040 Answers

SOURCE: Ryobi 700r trimmer will not run without choke

First check the fuel lines for breaks, usually found at the tank. If lines are o.k. then you will need to disassemble the carburetor and spray with carb. cleaner. Use a Den Tek Brush, (used for cleaning between teeth), to clean the small portals in the carb. Reassemble and start. If it still doesn't run any better, then you will need to buy a carb. kit and replace the small screen, gasket(s), diaphragm, & needle valve.

Jim

Posted on Jun 05, 2009

  • 15 Answers

SOURCE: Ryobi weed eater runs at full choke, but stalls

does it blow out alot of blue or dark exhaust? if so adjust screw on carberator as it maybe be running rich, if this doesnt work have the switch checked for malfunctioning

Posted on May 31, 2010

JAL69692002
  • 334 Answers

SOURCE: my 32cc 4 cycle craftsman weedwacker won't run off choke

MORE THAN LIKELY YOU HAVE BEEN USEING ETHANOL FUEL NEED A METANOLE FUELCLEANER AT MOST AUTO PARTS SUPLYER THEY SELL A FUEL CLEANER FOR SMALL ENG. IF NOT THAT MAKE SURE FUEL LINE IS NOT CRACKED

Posted on Nov 15, 2011

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