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Honda GX 160 on a sprayer used for herbicide application. The engine starts fine when cold. Begins to sputter and the stop, may happen after 20 minutes of use or 2 hours of use. Will restart but quits right away until the engine is fully cool. Have gone through the fuel system with no apparent problems found. The oil level is fine. The first time this happened, the plug appeared fouled so cleaned but the problem persists. Is this eletrical, maybe coil or low oil sensor malfunctioning?
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No, unless you know the dosage of the hose end sprayer. Are you a CERTIFIED CONTRACTOR?
Atrazine 4L is a restricted use post-emergent and pre-emergent herbicide formulated by Drexel Chemical Company. It is used to safely control annual broadleaf and grass weeds in cornfields, sugarcane fields, and turfs. The active ingredient, Atrazine will kill weeds as seeds or kill emerged weeds through the root system. Atrazine 4L Herbicide will control for barnyard grass, chickweed, henbit, and more. Atrazine 4L Herbicide is a flexible product that can be mixed, measured, and applied in different ways to prevent unwanted vegetation from taking over crops and ornamental turfs. Atrazine 4L is a restricted use herbicide that can only be purchased and applied by certified applicators.
It is restricted use and requires a license to purchase. Please give us a call if you need a non-restricted use herbicide recommendation.
Tools Needed
To apply Atrazine a backpack sprayer, handheld pump sprayer, hose-end sprayer or professional skid sprayer is needed. When applying Atrazine 4L to residential lawns, a handheld pump sprayer or backpack sprayer is recommended.
The yield for Atrazine 4L Herbicide depends on the type grass or cropland the product will be applied to. For most applications, 0.6 to 0.75 ounces of Atrazine 4L will treat up to 500 square feet, and 64 ounces of Atrazine will treat up to 1 acre.
It could be the type of usage and the duration of the runs are too short for the engine and the oil inside to reach normal working temperature. Lots of cold starts and short runs will inevitably cause some fuel contamination of the engine oil due to the relatively large quantity of fuel used during a cold start, much of which is not burned and some of which will find its way into the oil.
An hour of normal use would usually be enough to evaporate most of the surplus fuel from a small number of cold starts but some fuel residue will always remain, often leaving behind a fuel odour for those with a sensitive nose. This would be exaggerated if the oil pan capacity was quite small but the residue will do little harm over the short term in a quality oil.
It is possible there is a fuel problem, such as a small amount of fuel leaking past the carburettor float valve, which if there is no fuel tap and the system is gravity feed, some could find its way into the engine intake.
In this case cold starting would be possible without engaging the cold start enrichment and it might be noticed the oil level never seems to reduce or even begins to rise and fuel consumption would be noticed to be higher than normal.
If the engine is being used in a cold climate it is possible it is over-cooled and even when worked hard for long periods the oil doesn't reach a high enough temperature for it to do its job properly.
carburetor float is either bad or sticking.shut fuel off remove fuel bowl 10 mm bolt once removed pull pin out of float and inspect it at the same time re open fuel valve to allow fuel to push any debris the might be still in the port.re install float and test by slightly pushing the float upward and turn fuel on no fuel should drain unless you release the float if float has any fuel inside replace it if not finish putting it together and problem solved:)
I look up honda engines at : honda-engines-eu.com they have the best access to detailed information. If you can identify the carb butterfly, any cable should attach to the butterfly control. I see a Honda GX100, but not a GX31.
tee jet yellow nozzle with metal inserts john deere/lesco sells them in packs of four these are best for 1 gal per k spot treating selective herbicide ......round up just use the adjustable cone
Sounds like your thermal relief has popped and is not reseting. These are an easy replacement. Usually availble as a "thermal relief valve" in sizes 3/8npt or 1/4"npt ..national pipe thread. Might also mean that your pump is overheating. Check and replace the pump oil. Make sure you do not allow this sprayer to sit and run without triggering the gun every couple of minutes.
It is recommended that gardeners have at least two sprayers, one for herbicide and one for pesticide. This is not a sales gimmick, the residue from many herbicides is difficult to completely remove form inside a sprayer tank. This leftover residue could potentially harm other areas if the sprayer is used there. Plus, it's not a good idea to mix pesticides. Make sure you label each sprayer appropriately.
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