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I would clean the grounds on the old coil, and verify it has a good ground. Don't overtighten those bolts. Sometimes rust and corrosion can cause the ground side of the coil to fail. It grounds where it touches the engine, and thru the bolts.

if these are plugs that came from an online source, you may have a whole run that are counterfeit or defective.

(y)

most of the small engines are calling for synthetic these days in a 10W-30 where the climate can be 40F in the morning and 95F during the day, or SAE30 if the temperatures are more moderate. I recently went thru the same question myself. Do not use non-detergent oils in an engine that produces...

It is called a "Pulsa Jet" carb by Briggs and Stratton. Lots of articles and maybe 30 videos on them. Here are a couple examples. When rebuilding, lay a known flat straight edge on the tank mounting area and verify it is not warped from the mounting fasteners being over-tightened, If it is, it...

all depends on whether the mooring lines were let loose first.......

Google the bushing part number and it will come up. Also goes by BS50, BS60, BS600. The valve said use another part number at one site and when I googled it, this came up. https://www.ebay.com/itm/296303498282 No idea if it will fit. That said, go to James Condon's webpage and send him a...

yes - those flaps have to properly seal. One acts as an inlet and the other an outlet. when the outlet seals, the inlet allows fuel into the cavity. Then as the diaphragm pumps, the inlet seals and the outlet opens. When they deform, the fuel just swishes back and forth. Sometimes if there is...

What other have said^^^ People here have on occasion posted that some alternator systems need a near fully charged battery to work correctly. Charge the battery again, and then check the voltage on it before starting the mower. Check it again with it running to see if it is higher or lower...

That is the best way, you will get closer than anything canned, if you want something nice

spark at the right time fuel to air mixture compression One or more are missing.

you asked. Most hardware stores will have it. If you want something closer you either go to JD and pray they sell you something that matches, or take a part to a local autobody paint supply and ask them to match it. The latter is the best solution because not all batches of paint will be the...

also - that style carb is prone to the fuel tank base warping. That causes some issues.

John Deere green and yellow

I had a mantis, and a leaf blower that used the same design carb. Inside there was a diaphragm that looked quite good. However it had little flaps as part of it, and over time those small flaps would deform. Those flaps act as a valve that controls fuel flow off the main diaphragm. As they start...

loosen the fuel tank cap. if it dies after that, spray a small squirt of Berryman's B12 into the carb throat and see if it runs. Report back.

compare the part numbers on your SPECIFIC model and serial number is what I would try first. Many sites have parts lists. If you don't know the part number of a specic hood for sale, ask the seller the model and serial of the mower it is coming off of.

did Google turn anything up when you searched?

again, if the bolts are thru bolts, with a nut on one side and a bolt on the other, use nylocks. If the bolts thread into the case, clean the threads out with some Berrymans B12 or something, and use blue loctite. Avoid cheap imitation brands. If the threads are stripped, put in heli-coils. Red...

I could not find anything definitive using those numbers. My first question, regardless, would be to verify that the throttle shaft is closing all the way to the screw stop at idle. Then if it is not, why. If it is, with the engine off I would shine a light into the venturi and look to see how...

use nylock nuts (and lock washers if you want. Any hardware store should have a package of them. I often change the cheap grade 3 bolts and washers that come with units to grade 5 or Metric 10.8 and nylock nuts to prevent what you are experiencing. Usually even without them they will stay tight...

I would have him research "mower salvage yards" and see if anything is near him. Ebay is another place he can keep an eye on. Maybe FB Marketplace. He should figure out what other mowers share a common deck. As an example, say AYP made it, then there might be multiple mowers that had that same...

are they heating up just sitting, or only when it is running?

Are they bolts, lock washers and nuts, or do the bolts thread into the crankcase/bellhousing? If they are bolts and nuts, I would replace them with new ones and nylock nuts. If they go into the crankcase, even with blue Loctite, they may come loose, especially if the threads are failing. Is...

post your model number and serial number. Also confirm if you are the original owner and that the history of the mower does not include unusual options or modifications. AI suggests that the LT1000 covered 10 years of production and came with many different configurations. I don't know but...

we had a clean room for the racing engines. As in special filtration etc.. I build engines on the work bench but the area is spotless when I am working there. My hands probably get washed a dozen times an afternoon while assembling. I feel everything for grit. It goes thru a safety Kleen parts...

like asking which egg shell the one of 100,000 chickens came from. Each model is different in parts. It changes over time. The parts change over time and can depend on what the motor is used for. Hence ILENGINE is suggesting you provide a model and serial number. Maybe some photographs too.

is there gasoline in the oil? If so it is too rich. Have any critters moved in, peed on the wiring, chewed it? Maybe rust is bridging the coil gap and weakening the magnetic field. The easy fix is pull the shroud cover, compressed air around the coil and flywheel, and double check the air...

could be, or a bad plug

what oil are you using?" I run the mower one time to get it hot, stir things up, and then change the oil on a new engine. That is how I do it. Others may feel different.

What others said ^^^ If I had to guess, that is a mis-fire and the pop pop pop is the mis-fire charge igniting in the muffler, from the next time it fires. It is a small muffler so it is a higher pitched sound than a bigger more resonant muffler. I would replace the spark plug with a new one...

Most likely either the belt is too tight, and out of adjustment so the rear wheels are still driving, or the clutches / pawls in the axles need greasing. Most of the mowers like that get rust and dirt in the parts inside the wheel area, and that causes issues. That is how it is on my Toro when...

depends on the grass type. Some like shorter and some like longer. Also depends on terrain. Irregular ground needs more height than a perfectly flat lawn. Generally cool season grasses are happy at 2-1/2 " to 4". Bermuda is happy shorter. Too short and weed seeds can germinate and survive...

Did AI write this thread?

Ethanol is a molecule that has hydrogen, carbon and carries an oxygen molecule. Octane carries only hydrogen and carbon. It has many more of both compared to ethanol. As a result, ethanol burns leaner, faster and produces less power. It results in a 12% faster rise in combustion pressures, and...

have you checked the coil to flywheel clearance? Cleaned it to get rid of rust and particles? I doubt if it matters but the flywheel looks like it has been rubbing on the coil.

some people have done testing on YouTube on different fluids, graphite, Fluid Film etc.. They all help but wear out fairly quickly. Looked to me like it has to reapplied maybe every other mowing to keep working well. Could get time consuming and expensive. But so is replacing a deck or mower.

I need something to wash and wax the car. Do you have one that does that without damaging the paint or leaving streaks?

Pull the cord slowly until you feel it start to a kick/bind, then pull really hard.If it is at the end of the rope, let it in and pull hard. Don't just pull and pull and pull. I had to train my other half to do the same thing because she was having the same issue. Now she starts it 99 out of 100...

this ^^^^^^

Jerry, if there is no spark, focus on that for now. 0 ohms means a short to ground. a flashing 0 usually means open. Get to know your meter by seeing what it reads with the probes touching each other. Check the kill wire again. Pull the plug and check the gap. if the crank was damaged and the...

did you say you checked fuel flow? Made sure the tank cap vent is working?

on some engines an oil siphon is easier. I've never found a quick drain that was less of a hassle than the factory one. Hoses rot, get pulled loose etc..

post some photos please of what you are up against.

the forks were damaged by the owner. That is why they did not cover it. If someone's engine light comes on, and in the process of trying to get off the highway safely the engine blows up, that is on the factory warranty. If someone decides to drive it around for a couple weeks with the light on...

with photos, the angles they are taken at can make it impossible to know what the person is talking about unless someone has had the identical problem. All I got from the photos was it looks like a bolt is missing and a linkage broke because of it. Put some arrows or a circle or something like...

so what was the original problem that required removing the engine, turning it upside down, removing the oil pan and messing with the governor?

Why are you shouting at everyone?

remove it and see if it is magnetic. Could be a ball of plastic, dirt, or something that made a ball rolling around. I have never seen anything like this but I can visualize it happening.

is this a module that requires voltage to operate (has a 12V wire also) or is it a coil that has only the plug and kill wires. I would also measure resistance between the head and coil body. It should be close to zero and not open, in K ohms, or in M ohms.