Question about Mtd Products Yard Machines 158CC Tiller
Was running it quit and won;t start. new spark plug in it and also cleaned filter and gas tank. put fresh gas in it. It fires but still won;t start. Mtd model# 216-340-062
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Posted on Jan 02, 2017
SOURCE: tiller won't start
Remove the airfilter and take a look at it. If it is dirty or has a lot of oil in it, that would explain why you can't start the machine. If that is the case get a new filter and you will be up and running.
please mark this answer as a fixya. thanks
Posted on Mar 18, 2009
is the fuel filter clogged? you may need to check the engine compression for bad valves or rings.if the compresion is off it wont get gas . check the fuel filter first though and keep me posted.
Posted on Apr 24, 2009
SOURCE: Tiller won't stay running
Hmmmm.....it sounds like restricted fuel flow to me, but explain "rebuilt the carb" so I can get an idea on what you did.
Though it sounds right off like you whooped it good and got the basics.
Right off, go back through the "system", check the fuel flow, check that spark on the plug. Eyeball for any loose wires (E.G., Kill Switch, etc.) that are grounding (you never know!)
Stick to KISS on this one, since it ran before the carb got bad and got rebuilt, it will be one of those things you replaced, rebuilt, or changed. Sometimes, it is the SMALLEST thing......
Posted on May 28, 2009
My dad always taught me, rest his soul, that basic 101, if you have gas getting to spark, SOMETHING out to happen.
I'll ask a series of questions and propose some possible solutions. Hopefully we'll crack this mystery. Warning, this might be a tad lengthy... ha
1. Is the spark plug firing?
To check the coil that sends spark to your spark plug and the plug itself:
You can remove the spark plug from your engine and reconnect it to the spark plug wire while it just lays on your mower. pull the starter rope (make sure you're holding down the kill lever on the handle). Look at your plug end as you pull the rope.
Got spark? If yes, go to the next step, flagged ***. If no, look at the end of your spark plug that would go into the engine. The "L" shaped finger should be gapped from the small circular shape on the plug... this is the "gap". Your manual may provide specs on how wide this gap should be. If there is no gap, your plug won't work properly. The "L" shape is a soft metal and can be bent... create the proper gap. Try the test again to see if the plug is sparking. If not, you may have an issue with your coil.
***Yes to spark. Let's look at the gas issue now. OPTION 1. I will tell you that in my experience, water in gas is a major culprit for a mower not running. You've replaced all the filters... good.
I'm not sure of your mower, but most models have a "bowl" bolted to the bottom of the carburator. Sometimes moisture can get in the gas, get trapped in the bowl and won't go away or won't allow gas to get to the spark. Loosen the bolt... it's ok if gas from the bowl spills from this, the bowl doesn't hold much gas and it won't drain your tank. Plus, this means your carbuator is allowing the gas from the tank to the bowl. As you are looking at the gas spilled on the mower deck, see if there are beads of water in it. As you know, water and gas doesn't mix. This would be a tell tale of the problem. I would carefully remove the bowl from the carb and wipe it dry, then reassemble the bowl.
To be on the for sure side that you have no more water in your system, you could disconnect your fuel line from the gas tank and drain it out. Use a jar or container... you can see water in the bottom of it. You can reuse the gas too... just don't include the water!
OPTION 2. If your carb and tank are now H2O free and you're still getting to results, you may have a clogged jet on your carburator. This little pin-hole passage allows gas to pass through to the spark. Sometimes a mower sitting up a while, can cause a laquer effect to gas and it can block this passage. Removal of the carburator from the engine is required and a simple pin can be pushed through this passage to knock a "plug" out.
Geez I hope I didn't miss anything! ha
Good luck to you... I hope it's a quick and easy fix.
Posted on Aug 26, 2009
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