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My 2020 Exmark manual lists 13psi the correct pressure in the "Front Caster - All Models" (that covers 44" to 60"), size 13x5.00-6. Tire pressures are only listed in the front of the manual in the Specifications section.

All of the above is predicated on the idea that there is no fuel in the tank OR carb that is over 6 weeks old. You MUST be using fresh fuel.

Got a link you can share ???

I'm in north GA and there have already been runs on seeds, tillers, canning supplies, etc. Seems everybody is growing something.

This is the type equipment I buy at Tractor Supply... if you have one near you. They'll have several designs in the $150 range.

Tractor Supply sells Purolator brand filters in my area. Their blue filters are higher rated than the ones colored red, but they are all top rated.

If it's not the seat switch, then maybe one of the similar switches on the hand brake or op lever position. A schematic will tell you what the other switches are (electrically) in the same circuit with the seat switch. Those switches would be tested in the same way. A schematic will not tell...

Welcome. Unlike garden tractors, all ZTMs will more easily slide when traversing a hill. Be VERY careful on wet grass, or near features like lakes. Lots of safety videos on YouTube you can/should watch.

I had one, but it ran away about the same time. Hold It ! Hey ! You don't think they ran off together, do you ?

That looks to be a fuel filter. No clicking coming from that unit unless aliens have laid their eggs inside. Start with a wash job. Life is too short to work on dirty engines. :ROFLMAO: Sounds like a dead battery, but lots more information is needed.

BAD idea ! Remove the filter and blow compressed air through it in REVERSE direction if you want to unclog it, but most definitely re-install the filter.

That kit will do the job. It's a basic, no frills kit, so a little extra care is needed. The coil length will allow maximum strength, but I would suggest backing off the torque to 80 in-lbs. • Do not drill the hole. The tap does all the work. • During tapping, remember to go in ONLY 1 to 1-1/2...

Welcome ! There's your problem right there. Your mower simply wants to move to Texas. ?

My Exmark (made by Toro) has the the same tires and same air fill issue. I check the tire pressures every time I mow to control ground height. You're correct, you cannot access the Shrader valve in every wheel position. Sometimes you simply need to roll the unit in order to be able to access the...

XKE had that low nose and very sleek cowling. Because of that, I think the radiator was undersized, and so the extra oil carried off a lot of engine heat. BMW does the same thing on their "Oil Head" boxer engines.

If you'll scan the forums, you'll quickly see that Exmarks have fewer issues than other brands. I think the true beauty of the Exmark is in the areas you can't see. All I ever do is air up tires and mow grass. It's actually fairly boring !! ? Hope you find what you want.

The EPA has made carb, fuel tank AND engine breathers so complex that it's a wonder they can function at all. Certainly, most of it is counter to what the engine really wants. When 95% of the posts on a small engine forum read "my engine doesn't run right" or similar, you know something is amiss.

StarTron was originally developed for boaters. As much trouble as Ethanol caused in mowers and trimmers, it nearly killed the pleasure boat industry due to the proximity of water 24/7. It's a stabilizer AND cleaner, which is far better than a simple stabilizer, like Stabil. As long as you're...

Welcome ! Are you looking for someone on the interwebs, whom you never met and don't know, to give you permission to run non-approved lubricant and hope that everything works out great ?? That sounds like a recipe for disaster. Sorry. I will not be that person.

I started out in a sports car shop. A customer came in with a case of oil and wanted the oil changed on his 1965 XKE Jag 2+. It's a 3L straight 6, not that big of an engine.... but it took all 24 quarts !!

In my experience this is due to coating of the jets. The EPA has made all engine builders lean out their engines. This started this about 1988. They have gotten progressively leaner in stages, which is why many motorcycles now have fuel injection. If they have their way, look for electronic...

There are numerous filter cross-over lists on the internet. Using these it's very easy to find equivalent filters. Obviously Exmark doesn't make filters, they buy filters and have them branded with their name. Matching up a filter can be an easy way to save significant sums if the matching is...

This trouble is usually caused by trash or rust introduced from the fuel tank. If you would fit a small fuel filter to the fuel line you could eliminate all future occurrences. Cost you about $4.

While we got you on the line... Understood for the longest that Leprechauns kept a "pot of gold" at the end of the rainbow. Latest rumor is that they changed with the times and simply keep "pot". Care to comment ? :ROFLMAO:

You don't need the schematic just yet. Simply disconnect the wires from the seat switch and place an Ohm meter (VOM) across the 2 terminals. The meter should go from zero resistance to full resistance as the switch is actuated. I bet it doesn't change. Change is good ! :giggle:

Welcome Aboard ! There's an electrical safety interlock switch on the brake. No experience with that mower, but typically there needs to be a person sitting in the seat before the brake is released. Additionally, these items are usually interlocked with the position of the direction levers and...

Great reason to own a basic caliper.

Even the Boogie Man checks under his bed for Chuck Norris !

And that's exactly what I'm trying to tell you, sir. In those 55 years, believe it or not, THINGS HAVE CHANGED. The formulation of gasoline has changed, drastically. The design of fuel breather systems has changed, drastically. With all due respect... I note that you have moved on from...

• No experience with that type hose, but even if it only lasted a month there should be no vacuum leaks and the "low fuel delivery due to loss of vacuum" reduced to a non-issue. Still could be a tiny hole in the pump's diaphragm, but the I agree the hose should be 100% fixed. Good call. • Oil in...

The problem is that your mower is "possessed". It's no longer a Lawn Boy, but instead a "Lawn Zombie". You don't need a mechanic, what you need is an exorcist !! :ROFLMAO:

Did you replace the fuel pump vacuum line with new "SAE J30 fuel hose" while you were re-assembling everything ? It's common that after 20 years this vacuum line has small leaks in it. Small leaks turn the vacuum hose into an impromptu "breather hose", and would allow crankcase oil into the...

Correct. But isn't that AFTER the engine threw out ALL the excess ? Wasn't that the first run of the season ? Wasn't fuel left in the mower over winter ? Several necessary questions aren't being answered.

Something about this thread has got me humming the James Brown hit, Papa's Got a Brand New Bag. :ROFLMAO:

Your battery is dead. You can't tell jack about a battery with a simple VOM. You'd need a specialized battery tester.

Let me guess... You just took it out of winter storage and started it. That's when the problem surfaced. Is that correct ??? If so, then you left fuel in the mower and the manual fuel shutoff was left in the ON position, OR the automatic fuel shutoff has failed. You CANNOT leave fuel in the...

I'm having a blast just talking to you guys. We don't need no stinkin' OP !! :devilish:

Yes, the older caps had a big 1/16" hole in them and they never gave a problem. But the EPA since ~1990 is all concerned about fumes adding to inner-city air pollution and so all the makers had to seal their fuel systems. They had to add complicated one-way breathers where air could come in, but...

12 cu in = 196cc approximately

Welcome Aboard ! It is common for the EPA style breather in the fuel fill cap (or located within the tank) to get clogged. When you run the mower, fuel flows to the carb until a vacuum is formed... at which time the fuel can't flow and so the engine runs out of fuel. Without doing a thing, air...

Glad you're OK. Your car or truck (with fuel injection) can run that old fuel, but NOT any engine with a carb. The new fuels are junk and require stabilizers to be added the day you buy the fuel. Especially if you plan to keep the fuel for more than 6 weeks. Unless you have a snow-blower... you...

I believe the nuts have stripped the top threads on the stud... that's why nothing is happening. If the studs WERE spinning, then the top cover would soon come off... with 3 studs intact. In short, some gorilla has over tightened the 3 nuts WAY, WAY, WAY too tight. You'll need to drill the stud...

Great diagnosis and good find !! I'd highly suggest removing the dip stick to 1) smell the oil, and 2) look at the oil level. Gasoline could have easily diluted your engine oil. Does the engine oil smell of fuel, OR did the oil level rise any ? Both of these are indicators that gasoline is in...

This can happen if you don't use tire mounting lube. The bead won't pop out and the side wall will dip inward at that position. The side wall being pulled in, then pulls the tread in, making the whole tire "wompy jawed". Tires typically have an indicator line that should be exposed and about...

He's Back !!

Return the battery while you can, and get a battery with the correct size, CCA and post config. NAPA, and on-line battery sources like BatteryJack, sell batteries by physical dimension.

1. First and Foremost is fuel. Fuel should be less than 2 weeks old (unless it's been properly treated, and how to do that is not the focus of this reply). Fuel that was left in the unit over winter cannot be trusted. As a best practice: Never, ever store any small engine with fuel in the tank...

This is your best avenue. You can look up credit card purchases on-line.

AGM PVR batteries have barely been around 30 years. How did your company get started on them so early ?