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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...

The Aussie perspective is interesting! You're right about mowing the grass, the whole lot of the grass. Lol In the US, or should I call it America, lol (interesting side note like 30 something years ago I always refer to it as the United States or the us but it seems a lot of Canadian people...

Yes, I keep seeing that they are going for an 8 year replacement. The oil is just a bandaid and only sometimes to help a weakening hydro. I'm not going to bother it recommend changing pull in something that isn't designed to have it changed on the chance it "might" increase it's typical...

Required - would be the operative term there. The manufacturer, of the mower and the transmission do not say it requires the fluid to be replaced. I'm not against replacing the fluid as it would be nice to get initial fill and the early break-in machining particles and stuff out of there fairly...

This is a common problem and anytime it happens after having the wheel off of a Craftsman 917. Mower it's almost always the little square key has fallen out or been pushed all the way in so it's not connecting the wheel to the axle shaft. It's not a very good design as they put a huge long...

Something doesn't look right in the pictures it doesn't sound right either. The hose should not be too short as it should come out to the exact spot where the hole is that it presses into if it's that style. It almost looks to me like the hose is reversed.. Most of those engines with the carbs...

Bert is right. Whatever you heard it's more than likely wrong! Lol This crap about once you go to synthetic you can never go back it's just that crap.. People say similar things about never switching brands of oil also which is also crap and just made up Hocus pocus that someone believed in...

It's not really about it only taking 10 seconds to do but more about the strain it puts on it if you do it abruptly and roughly instead of smoothly and if you lower the engine speed down after you're done cutting let's say and turn the blades off to even drive back to the ramp. A lot of people...

I've never worked on that many commercial mowers but I've never seen anymore with over 4200 hours on it. That was an old one with an analog hour meter with the little wheel that spun like an old odometer on a car. Most of the mowers that I've seen that are pretty hard worked start having some...

As a couple of people have said, you need to back up to the basic diagnosing when it does this. It could be any of the things others have mentioned and it could have been the bad coil from the beginning like you thought of but normally a bad coil will go 12 to 15 minutes minimum before it breaks...

For at least two decades I have been saying that the little anti backfire solenoid or after run solenoid or whatever you want to call that car solenoid is the most overpriced part on a lawn mower! They were only 68 to 89 a few years ago and they were not available in the aftermarket at all...

That looks about like several the ones I found on eBay and fits many of the Briggs & Stratton engines. I will caution people though to be careful about ordering from Amazon thinking you're getting the best price because that is not usually the case. Now occasionally, like on zone control cables...

Yes, the pricing for doing those blades is ridiculous and it's absurd to ship them around the country because they're too heavy and bulky and shipping is at all time record high prices. The trash can thing is a joke too because it's just not something that's necessary to be done because trash...

Usually you can just do a search or search on eBay for the horsepower and brand of your engine and put coil after it and find one that works. Remember that the newer ones don't always look like the older ones and even Briggs themselves have changed the overall look of their newer engine coils...

As others have stated you need the numbers off your engine but normally Briggs does stamp a number on their coil and it will be six digits long. Your engine would have had the numbers on the metal flap above the muffler which is part of the metal shroud. That's where most of them have been for...

Why do you determine that four and five are unusable? I don't really care what goes on between the middle of the blade and the tip of the blade as long as the tip and most of the cutting surface is relatively flat and parallel to the ground and ends up being at the same height above the ground...

I would like another side discussion or at least comment on this perceived value. I pretty much hate it because I feel that in most cases it's just a waste of money and a way to overpriced things and con people into spending money for them. Multi-billion dollar industries have been created for...

Yes, I extremely disagree. You could bring me multiple examples of all of those blades and I could take a push mower and I could put them on and clock them around in the two or more different positions depending on the blade design of the blade adapter until I found the smoothest most vibration...

That's so weird that you can have a majority of people who can and will remove the blade and bring them to you because most people who can do that will go ahead and sharpen it in themselves. In a large majority of areas in the country people are not going to remove them but they will certainly...

You are correct and not everyone does balancing and not every customer even knows it's a thing. I do balance every blade that I sharpen but I find there's no point in worrying about much of the crud anything over the big pieces you can push off of your fingers or just run a putty knife down it...

There is something to be said about this thought process. However, there are very few people that only sharpen blades. For those people who do sharpening services they typically sharpen more edges of other items than they do mower blades. Now I'm sure you could find someone who would be an...

I feel it's absolutely ludicrous to have such a machine. Not only is it ridiculously expensive, it only has a 2-year brush warranty so it has parts that are commonly going to wear out to cost you more money! Offer something that's completely unnecessary. Any shop owner because let's face it no...

That's just about typical but obviously you're not soaking the blades for very long minutes in some sort of bath or taking them to the wire brush on the other end of a grinder to clean off every bit of buildup or try to make them like new or something like that that's just unimportant because it...

Yes, most damage blades can quickly be spotted by simply looking at both sides. Other than that a quick push with a putty knife or scraper will clean off enough to show you what you need to know so I just see no reason for spending a lot of extra time cleaning them, wire brushing them, soaking...

I don't remember if you're one of the ones who described your process or not but most people cannot sharpen three blades. That's six cutting edges and people who do it freehand usually take much longer than that. Now, the machines that are designed to sharpen blades will of course do a cutting...

Sometimes there isn't really a point, rather just conversation.. In many of my comments on certain aspects of sharpening there is a point, or two sides to a point, and that is the time availability difference, between a private individual only doing theirs or a shop owner doing hundreds with an...

I couldn't see much of the engine in the video but it kind of looks like one of the older horizontally opposed twins to me. I think I could see an aluminum crossover intake.

I am certain you're going to find if you give it some extra fuel, I would use gas and a spray bottle or card cleaner and not starting fluid because that's way hard on an...that you will find it will not lean out like that and keep the throttle plate wide open and start to die. I can see in the...

I do not do the extra actually included things like cleaning even they are in for repair. They only get the wipe down when they are in for a service. The service includes blade sharpening along with the other typical general maintenance stuff but I want them to run like new (or often better)...

No, I would not. This is because the buildup is always from the halfway mark toward the middle of the blade and it's never on the end of the blade that does all the fast spinning. The cracks and where are always on the rear edge of the outer end opposite from the sharpened edge where the air...

Thank you - I mean no thank you.... for turning it into rocket science or brain surgery when it's just a simple old lawn mower blade spinning on the crankshaft. Keep it centered on the blade adapter and keep it balanced enough so if you hold it up in the air by the center hole with your pinky...

Again, I'll go back to how long does it take you from start to finish to remove sharpen a blade and put it back on? All this soaking, cleaning, wire brushing, scraping, blasting, etc is fine if you are the homeowner and you're only doing your blades once or maybe twice a season but even for...