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Pretty much the given for any one of these that doesn't run properly is to remove the tank and take the carburetor off the gas tank, get the tank empty and all the crap out of it cuz they will be plenty, then put a new gasket and diaphragm between the carb and the gas tank. That fixes the...

Well, if someone doesn't have the feel for compression blowing out of the hole in their finger they certainly aren't going to have the ability to remove the shroud and adapt it with a drill chuck and an adapter to fit a socket so they can spend one over and as I said from the beginning it's just...

Must be from some of my customers who say they "cleaned out the carburetor" but yet it' still won't run. Then, I clean out the carburetor, at least the important parts that need to be cleaned and guess what...it runs perfectly.

That sounds like a lot of work and kind of hard to tell if you're spinning over 500 600 rp.m. or not. You certainly can't use a vibratach for that and the lost all the digital ones I have and have used don't update quickly enough to give you a consistent reading at that low of an RPM and I doubt...

I forgot to mention that I think most things are that way today. There's two things involved with their planning. They want it to last at least through the warranty. And they don't want to be too much better or too much worse than the competition. Either way would be a problem. If it's too much...

Yes, I have had many people tell me over the past 10 years or so that the battery manufacturers basically make a battery to whatever price point you want. You want a $50 battery here's a $50 battery quality. You want a $85 battery here's a higher quality. You want $125 battery here's the quality...

Ah the infamous missing push rod. It happens quite often on this engine. Normally it's from a slipped valve guide that caused the push rod to bend and pop off in the first place but it can happen without any actual head damage but always be cautious and trying to repair it because normally there...

I'm not sure what you're talking about not being quite right. I know nothing about Australian mowers so I was making a generalization about riding lawn mowers in the US. I'm not sure what belt type has to do with much of anything as they only use the coded belts here because they are a clutched...

I can't agree with that. I have worked on thousands upon thousands of engines and the last time I screwed a compression tester into a lawn mower engine was probably when I was about 12 years old when I first got a compression tester because that was the closest most convenient thing to make the...

Simple fact is they don't make batteries the way they used to. They are all pretty much junk. Anything over 2 to 3 years is on borrowed time. In fact, if you Google it they will tell you that the average lifespan of an automotive car battery is just less than 4 years. That's pathetic. I have had...

A flywheel key on a riding mower shouldn't actually shear due to hitting something with the blade because the fact that it is belt driven allows enough slippage 98 times out of 100 that you will not shear a key. In fact, no riding lawn mower or no more engine at all actually needs the key. They...

You will notice I said nothing about weed eaters. I said lawn mowers and zero turns. I hate weed eaters and when I use them, which is very, very rarely, I have to wait until I happen to have jeans on because using a weed eater in shorts beat your legs to death with debris and that's just...

There was even a factory kohler TSB about fuel filters on the older commands. Using aftermarket filters could cause a problem or after it ran a while it would not flow enough fuel and a factory cooler filter fixed it up. It's probably the only engine I've ever seen a situation for the fuel...

Uh. Most mowers don't have seat belts and most don't have ROPS either. Every time I have used a rider or a zero turn like that it has been in short pants and flip flops and I've never worn safety glasses when using any mower. I've come much closer to having an injury from working on tools...

I'm a little confused by this term check valve if you use. I'm not aware of any such part being in any of these carburetors. They have a needle and seat or what's called an inlet needle or inlet valve etc but those very rarely get clogged up and don't flow. The vast majority of times when an...

Exactly! This should be standard troubleshooting procedure when one isn't running correctly. You're either use a folded shop cloth to block off the intake hole at the carb a little bit or close the choke slightly if that's easier to see if it changes the way it runs. Typically you'll find more...

I see now where there was a post someone saying they mow and when they get done they turn off their blades and lower the engine speed to idle. This is just asking for trouble so everyone needs to stop doing it. Just because one, or a few people have been doing it for decades on multiple machines...

Hills, rough crammy use, low engine speed, and poor cooling from debris and build up is what kills hydros. Far too many people make the mistake of mowing for an hour plus and getting their engine and transmission up to full operating temperatures and then when they're done mowing they will turn...

That could certainly be welded up but it probably has a snapped rod inside of the block. They're really not rare enough to worry about saving and it's going to cost you probably at least $125 to maybe 200 in parts just to get it back together and running. You can buy a good used donor engine...

Yes, that's not going to work properly without a battery in the system but you could just order you a heavy duty enough diode and convert your 36 AC volts to DC and or possibly add a resistor so you would have between 12 and 15 volts all the time. This would make the regulator unnecessary.

I can't wade through all seven pages of these posts but did anything ever get resolved? My first thought is always when some customer says they clean out the carburetor I just roll my eyes because nine times out of 10 or more like 99 times out of 100, they did not clean it properly because most...

I was talking about this bad few because they're only a few in the mower repair industry that do that. Unfortunately, and the auto repair world it's over far worse and the large majority probably 80 or 90%. I tell people all the time that lawnmower shops aren't trying to do extra work to your...

No more at all it's just that I don't tolerate when people make comments like they are rules or exactitudes etc. Many people have different methods to obtain the same results and the same durability and longevity. In other words your mileage may vary.. YMMV. I and a commercial shop but I'm...

There's a saying: "Close enough for give govt work" I find it hilarious but useful. If a head gasket (esp on L head Briggs) doesn't chunk off to badly there is no real reason not to reuse it. I have permatex copper spray for these that I almost always coat of I reuse one. But let's be...

I don't think it matters much as I have seen dozens of these riding lawn mowers with a perfectly operational carb solenoid that still will pop very loudly after a shut down.

I understand that in theory it's just I don't see how the input speed could be that much substantially different unless like I said earlier the belt was really loose and really slipping a lot. On the ones I have seen they didn't do anything more than a slight stutter under a heavy control input...

Something else is going on and causing these to fail. I have used the cheapest of cheap eBay spindles that get shipped to my door for under $10 each for the complete spindle assembly and haven't had one fail yet! Either there's too much tension on the belt but that's pretty much impossible for...

It is obvious that based on design of the police and setup that certain situations are going to create for one hydro is more likely to slip than another but I really for the life of me don't know why it would shorten the life of that one anyways.. There's just that not that much slippage going...

I don't have time to read this entire thread but two things on most Cub cadets or other MTD mowers. I can't believe a tech would replace just the lower belt if it's a two belt double sheave pulley drive system! I have found you never want to replace just one belt even if the other one looks...

Ass others have said ,head gaskets are relevant at this point and they never lose enough compression to actually cause them not to run because they will be a mosquito fogger way before that. The gray metallic in the oil will only be seen in an engine when it's brand new because of everything...

Something else is going on and causing these to fail. I have used the cheapest of cheap eBay spindles that get shipped to my door for under $10 each for the complete spindle assembly and haven't had one fail yet! Either there's too much tension on the belt but that's pretty much impossible for...

Have you checked the RPMs with a accurate RPM gauge? We should be careful in our discussions about saying full throttle and things like that because even though it's easy to do we're really in our minds, not talking about full throttle. Full throttle by definition means when the carburetor is...

Personally I wouldn't spend the money for a new crank and I would just drill it and chamfer the hole a little bit. I don't think it's going to make much difference on the vibrations. You really think they take too much concern or time to balance these cranks on any really high-end, recently...

My customers couldn't or wouldn't even consider going to buy wheels and replaced them. Way before that... They would have no idea IF the prob was the wheels or not. They would call and say the drive doesn't work can you at it. Man, I try to turn customers away -multiple times every day! Yes...

Yes but I feel it's an unfair comparison to compare the price of a brand new mower to replace a mower that's over 20 years old versus fixing the old mower. When you fix the old mower, it's not going to be nice and new and shiny even though there's a potential it could last and cut longer than a...

I'm going to read the rest of the thread to see what happened and probably have some other comments but I had to stop right here and comment because I'm cheap but I'm quite effective and I'm usually quite correct. It doesn't matter whose money it is being spent, expensive is expensive and waste...

I don't actually recommend or believe in the running them dry theory. I tell people all the time especially if they ask about it but that was an old school method that some people still swear by but yet I get a decent percentage of customers bringing me mowers that say they did that but....yet...

Then you shouldn't have been hearing a click from the clutch when the switch was pulled like I thought I read in the original or a previous post. That's one way to test out the system on a mower by either having the belt off and engaging the switch multiple times to listen for the click of the...

That can be the air gap. If it is adjustable. I usually test by tapping on the pto housing with a broom handle etc etc the switch on to see it it comes on.

Really, you should just relax a little bit. Sometimes people go overboard trying to do things on a machine they recently acquired and cause themselves more trouble or expense than if they just left it alone. Lol I have a John Deere 42-in rider that has a mulching kit installed, which I wish it...

If you can hear the PTO clicking when you pull the lever then the electrical system should be fine. More than likely a belt is loose and off of one of the pulleys or jumped off or something like that.. Those machines will have a belt under constant tension and quite a bit of it too. You should...

I I was going to mention just doing that in my other post but they really didn't design it for that and there's an awfully large pushrod galley that doesn't need to be so big so they would have had more metal between the cylinder and the opening but you could certainly put something there with...

It's an obvious design flaw that's been known for decades but Briggs refused to fix it. Some manufacturers even put a bolt in the middle there that would even go through and protrude into the intake runner which would be just fine. All you have to do is have the right length bolt to where it...

It certainly is very time consuming and the last time I counted I was between $500 and 600 strokes but I have no problem with going in straight lines as long as you're rotating the head frequently which I typically do quarter turn rotations after every 30 or 40 strokes.. I also do circles and...

Not sure who you're responding to but this is a lengthy process. I have stated in a couple of posts that I use well over 500 to 600 strokes to get one to where it looks pretty uniform and all the high spots are knocked down. My point and response to you was I don't think you'd ever get done just...

The single v twin ohv Briggs are notorious for this. It's really not "if" but "when". I think it's all about heat cycles and not hours at all though. Most people fire up their rider once every 7-10 days and run it for 45 mins to 1hr and 15 mins. I feel if a person keeps several of these...

Ruin a perfectly good head by sanding it with sandpaper on a somewhat flat surface?? My biggest argument will be with calling it a perfectly good head to begin with. Lol These heads are junk as most lawnmower heads are. At least overhead valve ones with inferior Preston valve guides and they're...

You would literally never get done doing it this way.. Well, you would stop but in the end, it wouldn't be much different from just leaving alone and wiping it off with a rag after you scraped it in the first place. These heads are so warped and have such large dips and valleys in them that...

Well, if you did all that then something wasn't done right or something is atypical and even though you're doing what you're supposed to be doing you're not getting the results and it's letting the procedure fail. I have red posts over the past 10 years or so about people who have had more than...

Well, if you did all that then something wasn't done right or something is atypical and even though you're doing what you're supposed to be doing you're not getting the results and it's letting the procedure fail. I have red posts over the past 10 years or so about people who have had more than...