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we are in the Looney state. Here they banned any new hydrocarbon engine that is under 25 HP. As a result, there are a plethora of backyarders running around snatching up every thing used for sale, cleaning it, and then flipping it. The only things not selling are the small tractors and older...

voltage has to be DC and it needs to be around 13V - 14V. If the charging circuit isn't putting that out, gotta figure out why.

not familiar with the model. That said, some mowers develop a belt and pulley geometry issue as the brake pad wears. Check the pulley brake pads on yours if it has them to be sure that the geometry is not changing due to pad wear - causing sensor problems.

take it to the dealer before you lose or cancel out your warranty. In the meantime loosen the gas cap just a little and see if that changes things. If you can see the fuel drain inside the tank with a flashlight (please don't drop it), see if there is loose grass or something blocking the pickup...

Check the valve guides

is the bushing oilite or plastic? If it is oilite the proper way to install it is hold you thumb or hand over one side, fill it with oil and then squeeze the center until pressure pushes oil thru the bearing. That will impregnate it with oil for its life. If it is plastic that doesn't work...

45 is awfully low. If it doesn't come up, even if you get it going what will the power be? Like that is about a 4:1 compression ratio. (45psi + 14.7) \ 14.7= 4.06. Many of these mowers are like 100 - 120 psi without a compression release. (120 + 14.7) \ 14.7 = 9.2:1 or about double what you have.

yeah right. Had a CJ7 that loved to build up carbon. One night while the manifold was off I took some chunks of carbon and put them in every solvent I had. MMO - no softening after 2 weeks Acetone - no softening after 2 weeks Water - no softening after 2 weeks Carb cleaner well known brand -...

Are you saying that even the starter does not turn over? Might want to get the volt meter out, check the battery voltage while turning the key. Then check it again between ground and the starter. Your incline problem can be a bad fuel pump or vacuum hose to it if you have a vacuum pulse type...

you need to pit down enough that someone can answer your question. need the actual engine number and serial In general there are many reasons it pops in the exhaust. It can be anything from an adjacent cylinder not firing, a misfire on one cylinder that sends a mixture of gas and air into...

??????? Maybe with a transparent tube.

unless you can find a core engine locally that runs or can be rebuilt, that engine is way more costly to rebuild than buying a new one, unless you are in a state like California where they cannot sell new engines due to state laws. Electric only new under 25 hp. Specifically by the time you...

everyone missed the point so I will make it again. Pushing "the dipstick back in" is capable of yielding two different results. If the protrusion on many oil caps, is placed into the notch on the filler, the dipstick will go further into the filler tube than if it is pushed down out of that...

maybe bad fuel that varnished the stems and they grabbed. I did not believe in that being a possibility but have seen some videos of carbon build up on valves, guides and stems when old fuel is used that the volatiles have escaped from. Even 3 or 4 months can be enough to do it. Then there are...

you are going to get many conflicting answers on this. Many dipsticks that screw in have a notch that allows a bump on the dipstick to drop into before it begins being screwed in. I line that up and let the dipstick bump drop into the notch but do not turn it. I keep a clean rag or paper towel...

Did you try Google? I put the carb type in, found https://www.smallenginesuppliers.com/html/engine-specs/kohler/Kohler_Carburetor_Reference_Manual_TP-2377-E.pdf, opened the PDF on the carb, did a search for that carb type and it took me to a blow up of the carb. I can't tell which part is the...

yes. that is why I posted it, in case someone is searching it. When I cleaned it and put it back together after rebuilding the engine, I thought I got it in the correct position but did not. Doesn't help with the massive back pain I've been experiencing this year with AS. Between the dual...

they are about the cutest and worst animal ever created on earth.

we have a Toro 20055 that is about 2006 vintage. I went thru the engine a month or so ago, and basically remanufactured it after 20 years use. Even touched up the aluminum deck, which is in great shape. Today was change the oil for the second time, and figure out why the left wheel wasn't...

the first time I came across bad new plugs was in 1972 on the way from Pasadena CA to the SF Bay area. Sports car would start missing climbing grades or under high speed load on I5. I5 was new at the time and very little traffic. The next time was last year watching and listening to people...

make sure you monitor battery voltage when you try to start it. You won't be the first person to be fooled by a battery that shows 13V but dies under load.

does it have any sensors like an oil sensor that check to see if it is safe to continue running? If yes, check there. If no then you still have a fuel delivery problem. You can test it by spraying a little carb cleaner into the carb intake to see if it still keeps running. Do not use ether.

sounds like the belt is mis-routed, too wide, too tight, or the wrong belt.

use some flammable carb cleaner, Berryman's B12, or propane around the intake manifold first to look for vacuum leaks. disconnect the fuel hose from the carb and see how fast fuel flows into a metal or glass container. If you get a good flow then the only thing left is the carb in which case...

could or the breather could be plugged or head gasket leaking combustion into the oil passage.

based on the choking, unless there is residual water, which I doubt based on your attention to detail, it is probably something like a valve wobbling around, or perhaps a bad plug or wire. If a new known good plug doesn't solve it, the only thing I can think of is maybe widen or narrow the spark...

A lean misfire can be a mixture that is right on the edge of being lean so any deviation leaner can cause a random misfire. I'd use the choke or my hands to richen the mixture and see if anything changes. That and the new plug will pretty much eliminate fuel and ignition as a source of the misfire.

https://www.walbro.com/wp-content/uploads/2017/05/Walbro_Float_Carburetors_DS_EN.pdf

try replacing it with a known good used spark plug since the guy put his own in, unless he will pay for a new one. There are so many counterfeits out there now it is unreal. They can check fine out of the engine, but under compression they can fail. The problem sounds like a lean misfire. and...

if it is two cycle don't forget the oil if it uses a 2 cycle mix.

check the oil level, and for gas in the oil

wiring replacement after a fire or overcurrent melt is about the worst job out there. I excel at finding and fixing electrical and electronic problems, however when I was a mechanic that is one job I always turned down. Guys would take it, then spend a week or more fixing wires, and the...

I usually use a loop of wire around any spring that I can't pull with vise grips or some kind of spring puller like auto drum brakes take.

Unless the spark plug was from a known good source, I'd try another. Then I would blow the cylinder out with compressed air to dry it. put a thimble full of fuel in it, and try again to see what it does.

FYI - regular simple green will dissolve some carbs. The HD Metal Safe version doesn't do that. Home Depot is the easiest place to get it. Our local Lowes did not have it the last few times I looked for it there.

there was a youtube on it recently. The new caps lack the hole. It has to be in a certain spot to stop gas from sloshing out. Starts about 5 minutes

set it into the fluid in a way that the air can get out. Use "Simple Green Pro HD SAFE FOR METALS" with hot water and you will get metal safe results. I spent considerable time finding something that is 100% safe 100% of the time for aluminum and carb metal. Everything else has potential to...

most lead acid batteries are degraded enough by 4 years to replace them. Some people consider 50 - 60% life left good. Others replace them at that point. Some consider them good until they don't work. The next door neighbor has a Toro recycler with electric start. His only charges when the...

did you check the three lines to be sure they are on the correct nipple?

I don't own one but have had the 3 hose style on other engines that used a ZAMA type carb. Here is what Google AI says about hooking the 3 lines up on the K770. Beware that AI makes up stuff sometimes.

Does the carb have 3 lines on it? Main fuel inlet, primer return, and carb to primer suction? If so make sure they are all going to the correct place.

did you go with a generic carb or the manufacturer's part? Does the behavior change when it is choked?

probably falls on deaf ears since he has not been back, but discharging grass out a chute takes air coming in to carry it out. If the cut is too low or the grass too dense, and air isn't coming in then the cut grass isn't going out. Add to it heavy grass from either the density or moisture...

batteries often show reasonable voltage but if a cell is weak, it will drop way down under load. Of course there can be a dirty connection or ground somewhere too. The only way to confirm it is not the battery is to put a voltage meter on it and leave it there while cranking. Then if it falls to...

https://www.searspartsdirect.com/manual/3kv37v4b2s-000247/craftsman-917288210-front-engine-lawn-tractor-parts Never owned one but I'd start by looking over the manual including adjustments. It appears there are two clutch mechanisms. One for the mower and one for the blades.

this owner manual also came up https://images.webfronts.com/cache/frraqswigutm.pdf

match what was there originally, making sure the holes and cutouts align. I spent two days once trying to get an Opel GT running right again after rebuilding a solex where the replacement gasket had a small hole that was not in the original. Fortunately I kept the original gaskets and we were...

googling the model number it led to a 1994 11HP MTD tractor made by MTD sold under different names including Yardman. Attempts to get to a manual from MTD kept giving me errors, and Archive.org says page not in their system. I was able to find a German copy at...

that mower appears to have been sold under many names and variants over the years from the late 1980's until about 2000, including some different ones in Europe. Should be a manual out there that specifies the belt length. Specs say engines were 8hp to 12hp depending on which model. Some of...

was the throttle open when you tested for compression? And, where did you buy spark plug?