Question about Mtd Yard - Man 160cc, 21" Self - Propelled Lawn Mower
Several questions here...
1. Is the oil serviced to the full mark?
The oil level sensor can cause a no spark condition because it grounds the ignition.
2. Is there spark at the spark plug? You can remove the spark plug and test for spark but if the plug is internally grounded it will show spark when removed but if it is installed it can still be defective. (Spark Plugs are cheap replace it)
3. Is the handle safety cable loose even when depressed? A bad safety cable or an improper cable adjustment can also cause a lack of spark.
4. Do you note gas on the spark plug or is it very dry? If the spark plug is dry try adding a splash of gas into the cylinder via the spark plug hole and see if you get a temporary / momentary start. If you do then you have either a fuel supply or carb problem.
Make sure the fuel selector is in the ON position.
5. If you suspect a fuel problem disconnect the tank feed line to the carb and see if there is fuel flow from the tank, No fuel flow no start.... then problem in the gas tank or supply line.
I will post this as a solution but will watch for any responses and continue to assist you if needed.
Thanks for using FixYa.
Posted on Jun 17, 2010
Change the fuel, drain the tank remove the float bowl and flush/spray the cab with carb. cleaner in and out, repalce the old gas with new regular fuel, replace the air filter if old, prime the carb. primer ball 5 X's before pulling chord...pull chord and Walla!! Runs like a kitten
Posted on Jun 24, 2010
The problem most likely is the shaft on which the interlock slides back and forth on inside the transmission. The yardmachines have a continous spinning shaft which ends in a bevel gear. The is an interlock plate which is connected to the Forward Reverse shift lever, this plate slides back and forth and either engages the forward gear or the backward gear. This shaft is most likely galled up, preventing everything from sliding the way it needs to. This is not a difficult thing to fix if you are somewhat mechanical. Disassemble the transmission and check if everything slides
Posted on Jun 01, 2009
You should be able to remove the old one with a screw driver or needle nose pliers. The new one should have a new gasket with it.
Posted on Jun 19, 2009
SOURCE: GOT GASOLINE IN OIL TANK.
Empty the tank of the tainted gasoline (Maybe add the right amount of oil and use it for a trimmer, etc), fill tank with fresh gas and clean the spark plug, since it is probably fouled out. You may have to clean the carb with some carb cleaner, and clean your plug a few extra times, but it should be fine. Hope this helps. Good luck.
Posted on Jul 15, 2009
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