BRIGGS & STRATTON Engine Teardown
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- Опубліковано 2 чер 2024
- BRIGGS & STRATTON Engine Teardown
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How to install a fuel valve on engine in this video;
ua-cam.com/video/lz2HSIq6-94/v-deo.html
My boss has a 14.50 briggs and stratton it runs good but had a bad primer line on the carb so I changed it. Tonight I started it and it was blowing oil out the rubber tube coming out of the ohv cover. What's wrong and what do you recommend??
Could be The Person looking after the Engine, Put Some Engine Oil in the Header to keep The Cylinder Walls Well Lubricated; The Problem with that Though is that The Spark Plug has to be Cleaned after the Initial Start Up of the Winter Season.
i would:
Check the Engine Oil Level and make sure that it is Correct.
Hope this Helps.
Carburetor Float Level could cause this issue as well.
This was like an I Do Cars episode except for a small engine.
I have 2 of these locked up on the compression stroke. Briggs engines used to last forever.
I have a Simplicity snowblower made in 1987 that has an 8 hp Briggs magnetron engine. It has been bullet proof
It's so disappointing to see how far Briggs & Stratton has fallen in quality over the years. I would never trust anything produced by Briggs in the last 15 years. Nonetheless, the breakdown video itself was very interesting and informative 👍
Briggs and stratton is no longer in business and does not manufacture anything anymore. They sell parts but that's it. So you won't be buying any briggs and stratton engines that's made by them. All small engines are now made by the communist chinese.
I agree. It's what happens when greedy board members and shareholders want to push manufacturing costs ever downward and put more cash in their pockets. A common (sad) story.
@@HollomanUFOLanding not quite. Blame it on ourr politicians As well as the wealthiest four hundred families in america who exported all of our technology to communist china. The filthy communist that's still everything from especially our technology. They mass produce it were there is no labor law, No safety laws, No environmental laws, No concept of personal property or individual rights. And then we allow them to Export
All of their stolen goods into our free market economy so that they can decimate our industries. In the wealth here get wealthy or still. But communist china is coming. The politicians and the wealthy believe that there is no price to pay from the communist chinese. But the communists are bent on global domination. They are ravaging the united states. And who will stop them? There has been only One president Since jimmy carter to stop the communist chinese from decimating our country. And his name is donald trump. The democrats are actually totally aligned with the communist chinese and our secret socialist socialist bent on subjugating america to communist china. These are the people who should be blamed. Now every small engine Sold in america is made in a communist chinese factory using american technology and american capital. The middle class is de climbing in america and soon it will be smaller than all other classes. And the concentration of wealth among the upper one percent continues. And Communist, China is laughing all the way to the bank as extract all wealth from america. How can briggs and stratton compete with a communist nation? A nation that was given All the technology and know how, Along with the capital to build factories using communist chinese workers to build competing engines that use the same technology as briggs and stratton. If You want to assign blame , then assign it to the popetitions and presidents since jimmy corder , and they include both republicans and democrats. Only donald trump took a stand against the communist chinese.
As taryl says 'breaks and scrapem'
That's A FACT ! 🙄
I’ve seen this failure many times. Runs low on oil. Begins to knock. Customer tops off oil and continues to run the machine. Damage is already done. Great content!
BINGO ! 🎯
Manufacturers have done away with so many of the service convenience points that Folks "Accept" It as a throw away product ! 🤦🏼♂️🤦🏼♂️🤦🏼♂️
Poor access to oil drains, cheap fuel filters, or no fuel filter at all, no fuel shut off, shoddy air filters w/o pre filters, and Now we have to deal with ethanol gas, and "Lifetime" Synthetic Oil ! 🥳
Bravo! Not many shops are willing to stock useable used parts, because of warranty concerns, to save customers money on ridiculously expensive new or unavailable parts. The labor is the same for used parts as mew parts so it is a win for both parties.
A rebuild kit for my Ariens riding mower was over $70...so based on the good reviews I ordered a KIPA carb on Amazon for $21 U.S. its been working great for 2 season now!
I figure you take the engine apart for the sake of time when needing a replacement part down the road. I like to keep my “spare part engines” together. For me, keeping it together saves room. Since cost of everything has skyrocketed everywhere, any good parts I don’t need, I give to another shop or person instead of scraping it. One man’s junk is another man’s treasure.
Nothing like watching a pro! Nice video, Don!
I wonder if it blew up and then the customer put in some fresh oil thinking that would fix the problem. 🤔
I was thinking the same thing. The oil didn't look very dirty.
Same thinking
Great video I know you can never have enough spare parts when you need them 👍
Watched for 24 seconds, Dony. Since it's a B&S my money is on con rod snapped in two.
Cheers Donny !
I wish I had gotten into small engines when I was younger. I'm enjoying the heck out of learning stuff from your videos
Thanks Donny
SUGGESTION: I used those clear medicine bottles to put the hardware in per where it came off ( I take colored electrical tape & write with a sharpie on it WHERE it came off, carb, etc, then put it or them in the container with the bigger parts
Wonderful to see. Never do it but finally I saw the whole machine in parts. I love that you have such great lighting on the machine and nooo irritating racket playing while we watch.😮❤❤ where do you keep the spares??? You must have a real deal catalog system by now.!! Thankyou❤❤❤
Thanks, I keep them all in marked boxes in sheds with solid shelves.
I have installed two different aftermarket camshafts that had a broken compression release mechanism. So far so good. How many years they will last I don't know at this point.
what a great video. I'll likely never tear down an engine but this is the first time i've seen one torn down. thanks for sharing.
Thank you! It was interesting.
Tecumseh engines. Nothing like them!
Thanks Don well done..
I have saved parts from a generator engine that I took apart some I have good parts also great points and videos and great tips
Snow blowers that are left outside and not covered during winter have a problem with the governor freezing. When the engine is stopped, the throttle is full open. As the engine is started, the governor spring closes the throttle to the proper position. If it's frozen, it stays wide open.... pop goes the engine!
(looking out the door to the garage, seeing my snowblower with its B&S 1350): GULP!?!?
I found the teardown interesting. I was hoping you were going to find a "smoking gun" of neglect, so I could rest a little easier. I guess the best I can do is check the governor mechanism, keep changing the oil regularly, and cross my fingers.....
That oil looked too good. My guess is somebody added some after the horse was already out of the barn.
My Craftsman 46" tractor mower has a Briggs, but it was built in 2007. Got it a couple years ago from my best friend. By all indications I've seen, for this year models' engines, Briggs was still of much better quality in 2007 than more recent. Briggs and Craftsman quality went to Hades when manufacturing went to China. Even Craftsman tools suck compared to before. I bought a Craftsman self-propelled push mower from Sears right before Sears closed here. The Briggs engine didn't last 3 mowing seasons. Zero compression. Didn't use it the first year, so it was out of warranty by the time I made a claim. I'm hoping it's just the valves or something simple, but I'll find out when I get to trying to repair it. A friend told me, push mowers are throw away items now. They never were before. Another great video, Don. More spare parts for you.
Yes push mowers are almost all throways now, hardly worth it financially for me to take them in the shop.
TY for Sharing
👍👍👍.Thanks
Thanks for the upload, Dony. It was interesting to watch. I love how you are carfeul about what to keep and what to recycle. The B & S engine's quality was reminiscent of a toy to me. I always buy Honda if I can and videos like these go a long way in showing the difference in quality between those manufacturers.
Very informative, thanks Dony
Good day Don Whoa $200. for briggs carb. Nice video. Thanks
Yup, I have the same BS engine on my snowblower. I've found it doesn't love to start in weather that is extremely cold, say 0-20F. Here's a hint. Drill a tiny hole, the size of your starter fluid straw nozzle into the cover right in front of the carburetor's air take. The holes not big enough for snow and moisture to get into but allows immediate access for spraying your starter fluid. Seems to work every time.
Thanks Dony
Nice work Tony.
If it’s a good part I just label and save it anyway, don’t matter how many I have 😊
Another good video, Dony.
Have a great day
save all the connection rod pieces and JB weld them together lol
Excellent teardown of a small engine Dony, thanks for sharing your incredible knowledge with all of us.
Would a new engine be worth buying for that snowblower it came off of if it was in good shape???
My guess for a cause of death is that the con rod is made of softer/cheaper materials which are more prone to galling, which will seize the big end to the crank and snap the rod. I would think perhaps a thicker oil (10w-40) may help protect the rod bearing surfaces and reduce the likely hood of catastrophic failure. Such a shame to see, old briggs engines were pretty much bulletproof, yet these engines just grenade left and right.
Yeah that’s a good lesson my friend I have rebuilt a few
9:58 I have never seen those decompression rigs, looks like such could be redesigned & beefed up to sell after market ones
My friend has the same motor on his snowblower. Great video and will help lots if his motor has issues. Thanks
Ahhh. Breaks and Scrap em'. Good times!
Here we go again. My main concern on snapped con rods is over revving. I wonder if people are fiddling with the governor and allowing the engine to exceed the safe rpm. If that is the case, the rod will break like a piece of toast
No wonder you don’t see these engines on anything today
How does your snowblower engine over rev,I’ve owned multiple snowblowers over the years and never had one over rev.
Don, FYI
I have not had any issues with the aftermarket camshafts from Amazon so far
Great video as usual have a great weekend!.
Hi there... my B&S is still going (not strong, but going) after 30 years. What engine would you suggest I upgrade to when the time comes?
Thank you our brother in Christ Jesus, and the comments are great, hopefully a better manufacturer comes up with better, and stronger engines and simple repairs and maintenance=,less garbage
My experience with that model Briggs engine has seen many hydro-locked from leaking needle/ seat assemblies. Owners assume the Locked-up engine is toast when it’s just full of fuel! Thanks for the vid Don, you can never have enough spare parts, especially those $5 screws !
Yeah, these engines usually have a fuel shutoff. People should use them after every use. Saves lots of carb issues.
@@capohd28 many have the provision for the fuel shutoff but no valve. An easy conversion that will in most cases save the engine!
I briefly owned a Honda lawnmower that had the throttle attached to the fuel shut off so that every time you shut it down, it turned off the fuel. I was amazed by that feature.
I used to love Briggs motors but the newer ones are not nearly as good. I have worked on a lot of old Quantum motors and many of them are still going strong after 20 years or more.
What small engine is presently your favorite as far as durability and ease of service?
6:00 The rattling sound is a broke piston rod.
Another great video. It's amazing how many parts make up a small engine!
With regard to changing oil on a small engine, regardless of whether it's on a snowblower, lawn mower, lawn tractor, etc., do you recommend changing the oil post-season (prior to storage) or pre-season (prior to first use)? I know you're busy, so if you don't have the time to answer, possibly some of your experienced followers can. Thanks.
It doesn't make any difference, it's your preference.
I really like these autopsies. Funny that most of them are the same issue, seems like a low oil or some sort of speed limiter would save most of these problems from happening.
Delicate engines don't belong in snowblowers!! Isn't the governor there to keep the motor from over revving? Great video.
Dony, would you happen to have A throttle assembly for sale. Thanks
As much as we can complain about Briggs and Stratton quality dropping, we are only seeing the cases with issues, but not the thousands of engines that are still running well. In perspective, they have sold a TON of engines so unless we know the % that are actually broken out of the whole, it’s hard to say how big the issue is.
Hi, I am a small engine mechanic. I am able to repair this engine (conecting rod) with the fraction cost of the new engine. Will replace OEM connecting rod.
What's a snow blower?
I have never seen two oil level checks plus a dipstick. Do you save the Governor Gears? With that amount of oil that rod should not have seized on the crank. Did you check the oil pump?
Not worth a new rod and have crank turned or spare crank? Block appeared good.
You don't know if the oil was put in before or after the engine blew.
I was thinking about getting a snapper snowblower (which is just a red B&S) but Briggs had gone down in quality. Might as well shell out the money for a ariens. I hear for the most part that the LCTS are pretty good engines.
They don't blow up like Briggs!
"these engines have a tendency to blow up"...... unbelievable.
Is it the rod that breaks or do the rod bolts let go?
'Delicate' is not a word I want used to describe my snowblower engine. 🤨
Gonna need to expand the shop Dony and hey marketplace should make you some money on some of those spare parts you don't want to keep , maybe 🤷♂️
I have the smaller 1150 model of this engine I bought for a '59 Arien's snow blower, ran great for three years. I went out in October to start it up and make sure everything was fine and there was no problem. Two months later, big storm coming, I went out to start it up and move it up to the house... nothing. I moved it into the shop, took the carb off because I thought it was plugged (even though I had Seafoam in it to begin with), but carb was fine. Tried starting it again, nothing. Put my compression tester on it... the needle didn't even flinch. Somehow, just from sitting for two months, it somehow blew a hole in the piston or the rings failed, even though it started just fine a couple months before. I haven't looked at it since, I need to run my bore scope down it to see if the piston is even still there. Extremely disappointed in this engine.
If i have spares that i dont need i would check out how much those items sell for used. The flywheel and stator could be worth $100 so it is worth an extra income stream and the parts cost is essentially $0.
Good work, I seen a video from taryl ( I know thorn in your side) where he said you don't need to change oil. That's a hot one.😆
I can't watch that guy with his stupid fake teeth and wig.
I call bullshit. I have never heard Taryl say anything like that. He makes fun of the lawn mowers that claim that.
Hi Dony, which model of Milwaukee are you using in the video? It sure seems to speed up the process.
Hello, why is the oil boiling in my Briggs Stratton engine?
Thank you, Dony. You're an ace..
Hi Don. I have a 2150 from 2008 (US made) still going strong. Were these included in your list of engines of this line having these issues?
NO
Do you have a video or explain how to clean the type of carburator this engine have ?
Watch any James Condon video. That's the problem with all the generators he fixes.
Don I have a 16 year old wood splitter B&S motor the spark plug has never been replaced she still fires up on a few pulls what would you recommend when to change it out?
You could but be careful it doesn't break in the head.
Thank you for the video I got a question used tractor and the plugs are all carbon up. I would think that it's turned up too high. it's a Craftsman about 30 years old garden tractor Kohler magnum 18 HP Manual thank you if you can help and thank you if you can't help me
I can't bring myself to install an aftermarket Briggs camshaft... I have had bad reports from others who have tried them, so I don't want to risk it on a customer machine. I have one of those engines that's locked up, it went clunk while pulling it over... The bummer is that it's my personal machine, so I don't get paid to tear it down 😔 Those engines are wonderful as long as they don't bend a pushrod or have the cam fail, or have the connecting rod go into self destruct mode...
If the oil was fresh, customer could have ran low and only checked/topped-up after the failure.
Good video Donnie, I have seen dumb people change oil after ruining the engine from running it low on oil the same with adding way too much sta bil after the carb. is plugged and corroded!😂.
I would have thought the flywheel & stator would have been saved.
Amazing how much money you can make on used parts Dony. Jake did a video on 3 snowblowers he purchased and ended up building one for himself, made $580+ profit plus had a $2500 snowblower fully serviced for himself. Can not beak that one eh?
do you recommend a new engine for the customer or a whole new piece of equipment? do you like the harbor freight engines?
If I have a good used engine it makes the machine worth fixing, if I don't then it's not worth doing!
Once you get all the covers of that engine it looks like a Honda or more likely a Honda clone ?
different topic but still on a snowblower and may help someone. last time i used mine, it just stopped in the most inconvenient place - by stopped i mean wouldn't drive. not forward, not back. engine still going. ultimately after taking things off until i found the problem, it turned out to be the bearings inside, i'll call a sprocket - it's the piece that the wheel locks engage with. mine is a craftsman. that sprocket has planetary gears under it, and a bearing inside it. not on ANY video did that come up as something to be maintained. when i took the bearings out the pins literally fell out, rusty and broken. the races were non-existent. i hadn't ever greased them since i didn't know they were there. mine happened to be bearing that weren't easy to find too, so i'll get another two to keep on the shelf and now i know to grease them. even on the parts diagrams, there wasn't a link to the part. you can buy a c-clip for 20 bucks, but not a bearing. crazy.
Must be lunch time. Do you organize all your parts?
Yes I do!
Donny, I hope you get this, I have a ( home depot ) john deere 42 inch ride on mower on a LA 105 . My project is to use a small trailer to collect grass and leaves. So I am looking to you for the bagger system parts, I think the part that hooks to do the deck where grass exits the deck, is the only part I need as I can use dryer pipe to go to the screened trailer. Can you dig thru your used parts for the piece I need? If you have one. Cash and shipping to follow. Jim from New Brunswick, thanks
These Briggs engines have gotten to bad recently. I had a 1500 on my chipper that was a poor performer and broke. I took it down and fixed it, but was so disgusted in the quality as I worked on it, I could not bring myself to reinstall and got a GX 240. Now I have a solid, strong running chipper that will last forever. I’m to the point with my stuff that if it doesn’t have a Honda or Kawasaki engine, I don’t want it.
No compression, stuck valve(s) or piston rod broken. My guess before watching. Fixable.
Don How frequent should you change the oil on those??????
Every 25 hours, or once a year, according to the owners manual. I change mine every fall before snow because I don’t run it nearly 25 hours in a season.
Thanks Dave but it sounds like DON is saying More Frequently by the way he said that?????. But Thank You very much that is good to know and I appreciate it.
I do the same with my blower as well.👍@@davidedwards1855
Glad to help. I’ve had mine for 13 years now and it’s still going strong (knock on wood!)
Such a shame to see that with no real explanation as to why. Thanks for sharing.
Typically the larger B&S engines with those Nikky carburettors that have the plastic circuit plate leak gasoline due to the rubber gaskets failing.The way the intake manifold is designed, gasoline can make it's way downhill in to the crank case.
I don't understand why some of these engines are not equipped with the fuel shut off valve, as you can see this one in the video does not have.
Gasoline in the crank case will of course thin out the oil and cause it to throw a rod. It would have been interesting if you could have told us how the oil felt and smelled. Also asking the owner if they recently chained the oil. I have had people change the oil (after blowing the engine) because they think it would some how fix it. So you think the oil was fine when actually the guy just changed it before bringing it to you.
I just saved myself 150 bucks now I got a good camshaft
Ignition too close to top dead center or cylinder pressures in excess of design will over-stress the connecting rod. Using the wrong spark plug, or plug gap, or wrong octane fuel can cause this. If your combustion occurs too early you are just compressing the rod without causing rotation of the crank. If you do not need the power reduce the throttle. A rare occurrence can be harmonic additive stress when the engine runs at the same speed for a long period of time. Fuel blends and additives can alter the ignition point. You want ignition and combustion to occur to reach maximum pressure after top dead center. One of the disadvantages of piston engines is the crank reaches its best mechanical advantage long after you get max cylinder compression.
Too lean a fuel mixture can also cause early ignition. Unusual for a snowblower because of the cold intake air. The change of the liquid fuel to a combustable vapor is a cooling process (latent heat of vaporization) affects the ignition point.
I waited awhile to watch this one because the intek series can be a bit of a curiosity, If not a Disappointment... 🤦🏼♂️
You say these have a tendency to blow up, I Agree but what is your overall diagnosis as to Why ? I know the cam shafts, nylon gears, and decompression lever are delicate, but are there other components that tend to fail ?
I have had the rods blow out as well. 🤬
Problem is that the intek series IS Delicate and I'm really starting to miss the Olde Tecumseh Industrial format... 😫
Looks like typical lack of oil maybe someone added after it let go?
Could be!
I was about to post the same thing, ive seen instances where the customer added oil after the fact, which looked very clean.
The fact that they added an oil drain extension tells me they at least tried to be good with maintenance. These engines are just junk, built to a price point, not a performance point so they can sell mass quantities of equipment through box stores.
@@jacebigelow i remember a guy stating that as well. like the owner was embarrased that he dident check the oil and filled it up after it blew. i dont know what happened doc?
The top of the piston looked very low time. The aluminum from the rod on the crank and scored cylinder is kind of odd.
you can remove that aluminum by soaking the crankshaft in acid. my brother did this repairing his engine after the connecting rod blew. replaced it and its good as new.
@@michaelotoole1807
I was thinking the same thing. I would have probably done that, honed the bore, installed new rings and a rod and kept it going myself. Dony apparently has too many of these, probably makes more money selling the little parts. That is common, Bre "The Chickanic" does the same with many different machines.
just because there was enough oil in the engine does not mean there was enough oil in there at the time of engine failure.
Why would you not save the stator?
I already have ten.
Thanks for your help sir
Why are all 4 stroke briggs. And orther brand. From lawn mower generator enz. Have aluminium connecting rod. But 4 stroke bike.s cars scooters dont?