Question about Yard Machines 121R 31cc 2-Cycle Gas Powered Cultivator/Tiller
My cultivator will idle just fine but as soon as i try to give it gas it dies. i have replaced the fuel lines and spark plug with no results.
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Posted on Jan 02, 2017
Check Compression, if you dont have a gage put your finger in spark plug hole it should blow it out.
Next check for spark,It should be a blue spark at plug.
Next put a little fuel in carb and see if it will fire.
Hope this helps. Let me know.
Posted on Mar 25, 2009
unit with primer bulb,,,,,line from gas tank with filter, goes to bottom of carb, from top of tank to suction side of primer bulb, from output of primer to tank return
Posted on Apr 29, 2010
Testimonial: "Thanks for the info, tiller runs fine. Phil"
you can either drill the rivet out, or inside the shroud there are metal tabs that you can bend out, but be careful as not to break them off. Hope this helped Tim
Posted on Feb 27, 2011
SOURCE: I have a yardworks snowblower
It is very possible that improper storage has left residue in your fuel system causing restriction of fuel supply. answer these questions and get a better answer. 1. Do you have to use partial choke or have to continually prime your engine to keep it running. 2. Look for physical damage to shutdown switch button or key switch wire. If this wire comes in contact with any metal surface other than its intended contact, usually near the engine. 3. Finally use an additive in your fuel system that attacks varnish such as carb and choke cleaner. In many severe cases your fuel system may need to be serviced by a professional familiar with the teardown and inspection of the fuel system. Good start though by changing your plug and fuel line antifreeze. As far as fuel stabilizers go I have been told but am still a novice when it comes to fuels that contain ethanol as I have heard that they may not have a very long shelf life. A few tips from an old ag. tech. Gods Speed to you! P.S. If this is a 2 cycle engine their are other things to consider.
Posted on Mar 01, 2011
SOURCE: 21A-121R900 Won't stay running
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, ~~
Posted on Feb 21, 2012
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