Question about Ryobi 30 Cubic Centimeter Curved Shaft Gas Trimmer

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Ryobi weed eater ONLY RUNS WITH CHOKE ON HALF WAY

REPLACED FUEL LINES AND PRIMER BULB - CLEANED AIR FILTER - CARB ADJUSTMENTS STILL CAPED - ADJUSTING CARB NO HELP

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Check the carb jets, they might be a gummed up!

Posted on Aug 25, 2009

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Replaced te fuel lines. no sure Ihavethe lines connected properly


Not sure if your primer bulb is on the carb or separate but here are some basics... The smaller line is the main fuel line. It has the fuel filter on it and the filter should be laying on the bottom of the tank. That line goes to the fuel pump side of the carb ( usually the inlet near the center of the carb body ). The fuel goes through the filter up the main line and fills the carb then to the primer bulb whether its on the carb or separate. If on the carb the spigot closest to the primer bulb takes the larger line and returns to the tank. That line should go into the tank about half an inch and terminate. If the primer is separate the larger line leave the carb from the spigot on the metering side ( usually close to the edge of the carb body) to the inlet of the primer bulb then from the primer bulb out ( usually center of the bulb) to the tank and terminates about half an inch inside the tank. Remember... fuel filter into carb, carb to primer bulb, primer bulb to tank. If the fuel does not go that direction when the bulb is primed then you have lines hooked up backwards.

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1 Answer

Craftsman trimmer 25cc


Diaphrams can be tricky sometimes...seating can be irritating. If carb disassembled and cleaned out...might have to check adjustments. Make sure screw didn't get loose. I had one do that before when governor broke.

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1 Answer

Craftsman 25 cc Weedwacker


Look for air leaks in the gas line and around the carb , a bad gas cap will not let any pressure build up. It could be that too. Check also the fuel line and filter inside the tank. replace if needed.
www.ereplacementparts.com has parts for craftsman or the online Sears Stores.

Nov 01, 2017 | Craftsman Garden

2 Answers

Ryobi 410 mini tiller w/Walbro WT149A primer bulb won't prime. New bulb, new fuel lines, hooked up right, carb cleaned. Been sitting for several years.Runs when fuel is pumped into the fuel inlet.


hello sir, my machine will only start when pumping primmer bulb or squirting fluid in the carburetor than stops. the fuel line has broken off, in most small carburetors this is a ongoing problem.old fuel will crystallize when left in tank for a long time.plugging up ports, fuel lines, small screen in carburetor.fuel lines will dissolve clogging carb.this is why it will run when the choke is on creating a vacuum to where there is fuel forced in the carb to rum,also the gas will evaporate leaving the oil behind clogging up carb.the thing to do is remove carb. and clean out,replacing gaskets or fuel line if necessary.use carb cleaner to clean out carb.make sure to make note where fuel line go.the fuel filter broke off of fuel line letting debris get in carb plugging it up.the muffler is known to clog up a lot on these machines where they want run. the compression should be 60 to 120 lbs any thing below 60 is junk. when adjusting the carb screws turn in all the way than turnout 1 1/4 turns turn in slow until machine runs also you need to check for spark by removing plug and grounding against engine to check spark, ok.a new spark plug would be a good ideal too , if you are going to make these repairs use new fuel line and filter,hope this helps,any comments welcome,thank you, !!

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1 Answer

My Craftsman 17cc gas weed trimmer wouldn't start.


Hi There, Check the primer bulb for tare or pin holes. Replace it. Check and clean carb jet it maybe plugged with debree. Also check for spark which you didn't say. Replace with correct plug.
Note; Do not use strong cleaners on rubber seals (O rings and gaskets) They dry up and crack.
If needed use a dabble of grease on seals

Jun 13, 2011 | Craftsman Garden

1 Answer

I bought a Poulan PPB100 at a yard sale for $20.00. I got it home and got it started and running but it leaked gas like no tomorrow. I took it apart to see what was needed and found that all the fuel...


This is an ongoing issue for users, and rightfully so. Small diameter line out of fuel tank (has filter in-tank on end) connects to the side of the carburetor that has the fuel pump....that is the cover without the hole in it. Other larger diameter fuel line out of tank connects to the longer nipple on the external purge/primer bulb. The bulb "pulls" fresh fuel from the fuel tank to the carb and then out of the carb to itself, where it then pushes any air/old fuel back into the fuel tank. The remaining larger diameter fuel line in this setup goes from the metering chamber (has cover with writing on it and a vent-hole) side of the carburetor to the smaller nipple on the purge/primer bulb. Years ago on 2-stroke trimmers, primers were not even used,...you choked the carb with a slide lever and gravity let fuel enter the carb from above...a few pulls, a "pop"...slide it off of choke and away you went.
If the purge/primer bulb is on top of the carb...small line from carb body to small hole in tank with filter. Larger diameter line goes from the bulb on the fuel pump side of the carb to the larger hole in the fuel tank where the line is held in place with a nylon nipple connector that keeps the line from pulling out of the tank.

Please vote on this solution.

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1 Answer

The primer bulb does not draw fuel thru carb


you need to buy a primer bulb kit and replace it cost about $8.00 and is easy to put in, the check valve is damaged.

Jul 18, 2009 | Garden

3 Answers

Craftsman leaf blower, primer bulb will not return, won't start


primer bulb on weedeater will not return to normal or **** gas into it. new primer bulb. lines to tank have been repalce and can blow through them but primer bulb will not push air into tank

Apr 22, 2009 | Craftsman Garden

2 Answers

Leaf blower will not continue running unless primer bulb is pushed intermittently


Hi

Priming the engine(put some gas in the sparkplug hole)..If.Start the engine.If only the gas from the cilinder is burned change the lines prom primer bulb.

best regards savumihai71

Oct 25, 2008 | Craftsman 4 Cycle Blower/Vac

2 Answers

Leafblower


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. check the primer bulb for pin holes and seating/sealed properly. if that doesn't work have the carb repaired at a service center or replaced.

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