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I took apart a Honda engine to find out why it was so loud.
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- เผยแพร่เมื่อ 12 ส.ค. 2021
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In this video, we tear down this Honda Engine that's making some interesting noises. The news is less than stellar.
![[ไฮไลต์] มวยสากลฯหญิง รุ่น 66kg จันทร์แจ่ม สุวรรณเพ็ง ไทย vs แอลจีเรีย รอบรองชนะเลิศ | โอลิมปิก 2024](http://i.ytimg.com/vi/nt71uhZjn6Y/mqdefault.jpg)
Lemme tell ya', from a commercial mowing standpoint that "annoying" blade clutch is a GODSEND. Mowing commercially, you have to stop and start, pick stuff up, move away, etc. all day long, and NOT having to RESTART the engine every time you step away from the mower is absolutely GOLDEN.
I gotcha
Not to mention the drive you can disengage without turning it off. I really like the husqvarna drive clutch - go any speed you like
yea, I never had one until last week when I re-powered a junked Timemaster, and its pretty cool.
Very true!
Just clip it closed to prevent it from turning off?
Here in Australia, we would machine the crank, & insert sleeve bearings into the crank case for the crank, then bore the cylinder, and put a sleeve there to original specs.
that makes sense
I did a similar repair to one recently, I turned the crank down to a standard size, linished and micro polished the surface then bored the casing to take an off the shelf bushing. I also added an oil hole to the bush that lined up with the original slot and plugged the lower relief with JB weld (prior to boring) forcing all oil from the catch surface through the groove and into the new bearing.
An easy job for anyone with a lathe, otherwise it's a costly repair.
It sounds like that would be cheaper just to buy a new engine
Man, I can't get over how smart you are. I absolutely would have to watch a ton of these videos to do what u did.
thanks but it's just takes time, You would have figured it out.
This is why it is so important to keep your oil moderated. So many people are clueless about their machines and this is how that happens
I know right, They were screwing the dipstick into the block so it kept saying that it was full, when in fact, it was very low on oil.
People that are not mechanical should have electric mowers (battery or corded) or manual
@@HomeGaragechannel how are you suppose to check screw in dipstick levels?
no just press the threads against the filler neck.
true
Very unusual: I almost ALWAYS see excessive clearance in the rod throw bearings. I've never seen crank journal bearings look that bad, and have the rod in such good condition. Thanks for disassembling the engine, I would NEVER have expected to find this!
yes I was just as surprised as you. thank you Vincent Robinette
This was very interesting. Thank you! What amazes me is how good the bottom end of this engine looks, especially given the abuse and neglect. This goes to show that, with proper maintenance, these GCV160 engines should be able to run for a long, long time before wearing out.
I completely agree with you.
Except for the top end and rocker arms have a reputation for being fragile.
@@lawnmowerdude ☹️
Also doesn't take well to rolling around unsecured in a truck or trailer and hitting the soft cam cover and denting it. @@lawnmowerdude
Thank you as always my friend. These tear downs videos really teach us alot. I'm very grateful to you for sharing all of your knowledge with us
no problem and thank you
Great content. Thoroughly enjoyed sir 👏🏻👍🏻🔧
Glad you enjoyed it
Parts machine, I find lots of Honda's have to have the valves adjusted also. Good video and many thanks.
Great point!
lots of craftsman (briggs engines) also. Most homeowners don't know what the valves are let alone change the oil. Engine I had recently was more than .005 out of spec on valves.
that's quite a bit. it must have ran better after an adjustment
@@HomeGaragechannel it does and easier to start, the reason I checked them was it's a briggs 7.0hp that had a sheared flywheel key
@@M.TTT. I see.
Thank you for this video been waiting for it!
No problem!!
Amazing videos as always ...
Thanks again!
Great autopsy. It still has plenty of good parts, although I'm rarely looking for Honda parts. All those plastic parts are good to have on hand.
you are absolutely right about that, parts it is.
Great forensic exam with explanations. Thanks.
thank you Dave F.
This has been a great series ,👏 yessir! it was a different noise than usual ,it didn't have that sewing machine or low clunky knock sound, its is interesting how such little slop wore the piston ,cylinder , crankshaft, !again thanks for the lessons,!
Glad you enjoyed it
Space shuttle next?🚀
lol.. just a satellite. then the shuttle.
I got a crash course on this engine with this Snapper mower I am working on. I got it running perfectly until I changed the oil. I used a fluid pump to remove the oil, and the tip from my fluid pump fell off in the engine and got wedged in the governor. They are not terribly difficult to tear down, and they certainly don't require as much since they used RTV on everything. I tore it down and got so depressed over it that it sat in my kitchen floor for a year before I finally put it back together.
wow, never heard of something like that happening before
Awesome video as always 👍
Thanks again!
have had this problem a lot on brigs and stratton and went to the trouble of making a bush up and against the odds it worked well,but as you say not worth the cost to a custermer
you are correct, thank you Thomas Caulfield
Thanx for the dismantle vid mate. Parts for sure.
No problem 👍
Been waiting for this
Thank you Ethan Adey
I love the blade clutch
I'm glad someone does, I'll pass, thanks for the comment..
I'd part that one out. Shame it isn't ball bearing mains. I've never been into an overhead valve setup because there's been no need and almost all mine are 'L' heads but you did a FINE job on covering everything. THANKS!
thank you
I love your vidoes iv learned a lot but with that mower an the sound running I was waiten for the piston rod to hit the block
I felt the same way and thank you Frankaferd Hadley
I love your content keep Making those great videos
Thank you Anthony Zamano
@@HomeGaragechannel I just like learning about engines Keep up the good work
@@anthonyzamano3929 thank you sir
Good job keep it for parts, tank, coil, etc. it’s money in the bank.
That's the plan!
Another good video thank you.
Glad you enjoyed it
Very informative
Glad you think so!
put the correct Speedi-Sleeve on the crank shaft and repair it....do it on these engines all the time
thank you Tod H.
I just told one down last week at last week and just redone it put a new piston ring set of rods in it these things are very common about the garage rattling especially if they don't ever get the oil changed
Nice work!
You could do a giveaway, I know a lot of people that need a working lawnmower, but they are very very poor, and they can't afford even a used one... To them it doesn't matter how bad it knocks, if it cuts grass, they are the happiest people in the world... Sometimes you should just do a good deed, in your line of business you can expect a free lawnmower anyday, but poor people don't have the same luck... I'm sure You know some people in need :)
thats is an idea. I just don't want someone to get hurt using a mower that I know is extremely damaged.
@@HomeGaragechannel That's why you as an expert spend extra 15 minutes in doing everything you know to make it as safe as posible,and do a giweaway... I mean, it wont explode and kill someone :) it will just break, die, stop starting or something else...
@@mailzaoglas1049 I'll look into it
very good video thanks for sharing 👍👍👍👍
Thank you too
Good videos
Glad you like them!
I love them
As the engine is stuffed try this. Polish up the crankshaft then use some emery on the crankcase to clean up the bore. Try to insert some thin brass shim. May take a few goes but will do the trick.
that would work but the idea, that I could "hand" clearance a brass shim would be pretty amazing, thank you Terry Milburn.
If you can feel a scratch with your fingernail in piston, bore, or bearing surface, it is deep enough to be a major problem.
you are completely right about that.
Nice video! It is a bummer this engine is beyond repair but I’m sure you will have multiple parts you can take off of this engine and put it on a different one.
That's the plan!
Regards from Athens Greece..
Thank you Panos Charos!
If it were me, I'd save it for parts... but then I'm a pack rat from way back! I did use one 'till it broke. I barely missed getting clocked by flying parts not to mention engine oil all over the place. 😁Cheers, Steve
thank you Steve Everett
I threw away alot of engine stuff and have needed some of it. Just dont have space.
always wondered if an engine of this size blowing up could do serious harm to you or not.
@@M.TTT. Maybe... when it happened to me most of the pieces stayed at ground level and shot out to the side. I admit "getting clocked" may have been a slight exaggeration. 😉😁😁😁 Steve
Can you get injured when they blow a rod out the side of block?
Great engine autopsy, thanks! I have a Briggs Quantum with the blade stop feature on a Toro that suffered the same fate, the owner ran it with almost no oil. I really wanted the blade stop feature so I took all of the internal parts out, polished the upper crank bearing surface as best as I could and reinstalled them in another block. It works but I don’t really trust it so I’m looking for a Honda engine like this with the blade stop feature. Pretty sure it will bolt right up, looks like the same diameter stepped crank PTO.
I wish you luck with your search.
Without taking money, time and effort into consideration, if the goal was to save that engine the crankshaft could be ground a bit to remove the scoring, the bearing surface at the top of the engine block could be machined to put an insert or bushing to get the proper fit with the crankshaft, after that the cylinder would need to be honed and the piston and rings would be changed, of course this wouldn't be profitable but by living in a country where new or good engines aren't easy to get i have often seen similar modifications done to engines to make them work again, even when they are well pass the condition of the engine in the video
I believe you are correct, I almost afraid to find out what the bill would be.
Would be more practical on a model with an iron cylinder sleeve.
I sold one of these engines for $65 it was like brand new I have a pressure washer with the horizontal version and it's never failed to start in the 10 years we have had it
that's pretty awesome.
I got my tecumseh LEV120 running but it really needs to be tuned. I also need to drill the jets out larger
just be careful you don't drill them too large.
Throw it onto an old deck, run it with 20w50 after sleeving the crankshaft to fit the top bearing a thin piece of sheet metal should do it and just run it after the fluids filled then get back to us and let us know how long it lasted, what finally made it inoperable, and tell us what temporary fix u used to get it to run that long thanks again for a great vid✌️
that's a pretty good idea, except the sleeving would cost money.
I have one that needs a crankshaft. The original is bent. They don't shear the key on the flywheel like others, instead they bend the crankshaft. I ended up finding another engine for the mower two years later. I have lots of spare parts now.
that's what I've seen too. I wonder why the key don't shear?
@@HomeGaragechannel design flaw. I had a teacher contact me, she hit a buried pipe with her brand new Honda. Bent the crank. It was already leaking oil out the seal. She asked me what she should do. I checked on having the shaft straightened but was told no. Her other choice was a new crank and seals. When I told her the cost, she declined. I told her to run it like it is, but watch the oil. Tecumseh has a better design concerning this and have fixed many of them in one hour. I keep a supply of the keys on hand. Personally, I would rather see them shear off easily.
@@scottfirman that is a bit worrying.
I don't know much about those,people love them but I think my Tecumsehs are actually better in some ways,I think that is a consumer grade engine with a plain aluminum cylinder bore and so probably best replaced. I think Honda makes a higher grade commercial duty lawnmower engine with an iron sleeve bore cylinder.
That one would probably still be operating properly if not having been run low on oil and the oil changed at a reasonable time. The average person using it for 3 or 4 small suburban lots could probably get a lifetime of use of that motor if taking proper care of it. Including keeping an eye out for air filter care as well as minding the oil.
Amazing that it ran that well without losing oil out the top seal/bearing with that wobble.
I agree with this comment a lot.
These things always also had bad issues with the valves as I can tell one of them valves is very very disturbed and looks like it's been banging on something in that piston could possibly been slapping too Hondas are coming about that as well that's why I replaced rod and piston in the one I did but yeah these are very common about the valve problems the belt is what causes the valves cuz most people they don't change these in maintenance on when they're supposed to and these timing belts are required to be changed at a certain amount of time just can't remember that but if you keep the oil changed in these things I've had one over 15 years on an air compressor and done nothing but change the oil in it still running just as strong as it did the day I got it
thanks for the information
You can also shim/sleeve the crank/block as a far cheaper alternative
that's a good idea
I want that neglected Honda on my yard at 6:00am.
Me and my dad like the blade stop because you can stop when bagging or when you need to move an obstacle
thank you Russell's Train zone, the blade stop definitely has a place when you need to bag or move something.
These hondas are a little bit different of a design but I like them and seems to hold up well, even with a plastic cam gear and timing belt rather than a timing chain
I know right, it's a bit different but I enjoy working on them.
Intricate clever "new think" engineering.
I think you should sell it for parts and put the money for something else. Great job my friend.🙏👍🙏👍🙏👍
That's the plan! Thank you RayFpv.
I'd polish that up and make a brass bush just get that hole open bit bigger first.
When I get a junk engine in the shop, I take the parts that I want off of it and then take the whole engine apart like you did. Except I scrap the block, flywheel and piston for aluminum. I don’t know where you are from, but in Wisconsin aluminum prices are very high
actually I was hoping to do the same thing here. I have several blocks that I need to get rid of.
@@HomeGaragechannel nice. I brought in about 250 pounds of engine blocks and got a little under $100. So hopefully you get a similar return
that's a great return
Im just starting with small engine repair(mainly for myself and family)and want to ask you if you could make a video of the equipment you use to diagnose a problem? Maybe a step by step guide about where to start and the process? I know about car engines as i have been doing that my whole life, but I think small engines are a different beast. Thanks
you know that's a good idea. I think I'll start making plans to do that soon.
@@HomeGaragechannel Superb! Appreciate you sir!
no problem
I really want a push mower with a Honda engine on it. I love my kohler powered lawnboy but I really think Honda will be the way I go once the ones I'm using now are no longer workable. I also have a Troybilt non self propelled that has a unknown maker of engine on it but that's my back up/loner mower.
I feel the same way, The Kohler is Nice but the Honda I really like. thank you Iowafox.
@@HomeGaragechannel I have always heard Honda makes the best small engines and sometime I will find out for my self! I really enjoy your videos very informative!
I feel they are very good quality when compared to other overseas knock offs, thank you Iowafox
I just purchased a Troy Bilt mower with the 160cc Honda engine they recommend using ethanol free fuel which is hard to find, can that cause problem in the long run
only if you let it sit in the tank and carb for extended periods. If you're going to use the mower for longer than a month, I would run it till the tank is dry.
Idling with the old honda engine lol, hey i gotta ask, what delays in terms of parts you have ordered have you experienced, have you had to wait longer, or is it just about normal, it seems were waiting a lot longer these days for parts.
so far the parts I've ordered have been mostly on time, or off by a day.
Hello Home garage I will use it for parts that is my guess
that's a good idea, thank you Paul Burns.
So what part of the engine oil lubricate the piston? The piston and another part?
the oil slinger, which is also the governor, helps to get oil to every part of the engine.
That Honda is donski!
Enjoyed watching the engine autopsy.
thank you Mike Spain.
Polish the surface and add a brass or steel sleeve?
the only problem are the reliefs that are cut into the Block for oiling. it would be difficult to keep the brass sleeve's integrity
it's really weird seeing the cylinder wall scored up and the crankshaft journal/cap is spotless....
I know right, I was beginning to question what was going on.
Not that it matters but most machinist would turn the crank down, and bushing the case to match the new crank OD.
I see, thanks for the information
It’s a shame some people don’t properly maintain their engines
I know right.
As a lot of viewers already stated as a parts resource engine (mainly bc you do a lot of repairs and this is not the last time you will se a Honda engine) as for me personally I would save the good parts and store them as they tend to be used sooner or later.
thank you Jobrell, that makes sense.
I guess the good part is that really everything but the crank and piston could go in the parts bin. It will save some money on something else.
that's the idea
I think you should put it on a go kart lol I would do that if I had that engine
that would be cool .
this engine is easy to rebuild, just machine the upper crank bearing and insert a bronze bushing, have the crank upper journal ground to remove the damages area, finish the bushing to have a clearance of 1 thou, the rest is conventional rebuilding.
thank you Jacques Poirier
hey man i have a stihl fs 55r that wont start and it backfires through the carb any suggestions and it backfires so hard it puts holes in the air filter
You might check to see If the key on the flywheel has sheared. Otherwise make the your spark arrestor screen isn't clogged.
@@HomeGaragechannel alright thankyou
That hunting around by the engine means that the governor spring is incorrectly tensioned.
possibly, I'm leaning toward a pilot jet.
If you're going to scrap the engine, try polishing out the gouges and then try an aluminum or steel shim to make up the difference. Might be able to get another season out of it.
are you talking about the rod journal or the top bearing?
@@HomeGaragechannelreferring to installing a shim/sleeve where the upper crank journal inserts Into the aluminum block.
ah yes, I have thought about that, But the machining is the part I'm worried about,
With the Honda mowers, just like the cars, I will never understand why customers believe that paying up for a Honda gives them a green light to never service them. Yes, they are long lasting and forgiving but there are always limits … and oil checks/changes are the easiest, cheapest, and most important maintenance point. If you know your never going to deal with the oil in your engine, why not just buy the cheapest mower in the store? In the end, you’ll spend less because it doesn’t matter if your engine is a Honda, Briggs, or Chinese because by never changing or even checking the oil, your going to blow it up or it’s going to start knocking after the 4th or 5th mowing season anyway and your going shopping again! Being lazy, forgetful, or ignorant is expensive.
I could never understand it either and I don't think they really care as well. such as shame.
Sounds like a major repair job ( not to mention quite expensive)
you are absolutely correct
What size impact do you use thanks
you're welcome, it's just a 3/8", but a 1/4" would work except for the larger nuts and bolts.
Hey I’m take taking a small engine repair course and I was wondering where you got yours if you have it
Actually I didn't take a course. It would probably helped tho.
I have bought a weed eater xt300 and it doesn’t start I’ve taken apart the whole thing and got a new spark plug and piston ring I just need to assemble it
@@maddyrobinson649 nice, let us know how it goes
Blow it up
With the damage it already has probly just better to use it for spare parts.
that's what I was thinking too. Thank you Kieran Hegarty
Do you recycle used oil
yes I do, was there another option to recycling it?
The clutch is better than a blade adapter that is seized to the shaft. Ugh. That was the hardest part of dealing with it.
I know exactly what you're talking about. I'm having to deal with that very situation now
Any thouts of drilling it up and see if you can put an normal ballbearing in it and se if that works , not costeficcant just for fun.
I'll look into it but it will be an RandD project. thanks for the comment.
If a bearing will be used I would personally choose a needle bearing or sleeve bearing as it tends to last longer due to concentric force's
thank you for the information
Lol. I was hoping you would at least tear this one down and take a look at it. I guess I wasn't the only one.
it was fun doing it.
Way too much clearance, Clarence!
Lol... thanks Jim S.
I've been repairing lawnmowers for a lot of years and have never seen a Honda mower.
wow what part of the country are you in?
@@HomeGaragechannel Eastern Ohio....Dean Martin country.
Pick it over part by part for spares or use it as a teaching aid.
that's a great idea.
save the parts that are still good but hone out the cylinder block from my view.
thank you Patrick Stapleton
No point, cylinder block is the same 1/2 as the trashed bushing. 6:41
@@jcadult101 unless you replace the crankshaft and install a sealed crankshaft sealed bearing.
Parts Motor .
A lot of usable parts from the mower and motor
agreed
A dodgy fix may be a speedie sleeve on the crank. Very dodgy but probably would work
I think you might be right.
-Understanding 0%
-Why do I watch it, CURIOSITY
very well explained.
I don't think I would go through the cost and effort to rebuild that engine. A new replacement engine might cost a bit more, but usually comes with a warranty.
me neither, just get a used one, if a new one is not in the budget.
Do they sell a "short block"?
Turn down the scored shaft and press a bush into the casting...
that's a good idea.
I definitely haven't seen an engine that bad!
I know right, this was pretty bad
Man you can take him home at and clean that crankshaft up pretty smooth and home that crankshaft hole out in the block and put a a copper shim in there that just fish tank crank and never have another problem I've done many of them like that on push mowers
Really?
@@HomeGaragechannel yes I've done it many times just have to be very careful
@@HomeGaragechannel hey I wanted to let you know one other thing okay if ever in the near future you have a push mower that needs a valve job just remember push my Honda push more motors or very common about the valves it seems like they're softer in the push mower motors okay if you have an upright Honda that is the same cc is like 160CC or whatever the valves are harder in an upright vertical shaft engine so you can take the valves out of the vertical shaft engine upright engine side shaft and put in the push mower and the valves will be a whole lot stronger and you won't have that issue of the valves defaulting or being too soft and busting or bending or mushroom and out like the ones in that motor you have on display I failed to tell you that and you know man to be honest with you I don't mind telling you this because you are like a guy that is got a lot of common sense and you're kind of like me you're out there just help people some people you can tell information like this and they could care less to hear this information and you just basically waste your time and energy of posting anything some people say all that's a good idea and then never do anything about it but anyhow in the near future Honda engine and put them in the post mower and they're the same valve same length and everything the same valve springs they just seem like they're harder in the upright engines have a blessed day man keep up the good work
@@williammoore4800 thanks and I will
Part it out man
that's probably the best choice
When in Doubt ..... Part it Out ! 😄
thank you Lincolnland Picker
I cant believe they designed this engine to use a timing belt. I didnt even know that these had belts. That's crazy. I dont think very many people are going to go through the trouble of replacing a belt on a motor like that.
surprisingly after all these years, I've never seen a timing belt break.
@HomeGaragechannel I've seen them go a long time on the car engines without breaking too but its not a small job or cheap unless you know how to do it yourself. Just out of curiosity, how often are they supposed to be replaced on these little engines?
far as I know, their lifetime. And the reason why is because it's in the oil.
I would part it out.
thank you William Snow
Sorry to ask, I've been binge watching videos on small engines. I'm sure I've heard you mention it before and can't find the videos. Can you tell me the most common size fuel lines on trimmers/chainsaws? ID/OD. Also, curious to know if the larger or smaller bulbs are more common. I'm having a hard time ordering the smaller bulbs.
look at my one video with a trimmer in it, in the description is a link to a multi pack of primer bulbs with 3 different types. Fuel line sizes for trimmers and saws, is usually 3/16 OD. Larger primer bulb, the size of a nickel or more common than the smaller one, which is the size of a dime.
You should do experements with it
like what?
Maiby put soap instead of engine oil
Or run it on diesel fuel,I would love to see an experiments done on this,thank you.
Also being a small engine mechanic I would love to see what would happen 😃
@@beefjerkey962 I see now.
I think you should part it out
that seems to be the consensus so far, thank you James Morriseau
if you used that engine for another mower till it breaks it might injure you severely or might kill ya if it was was running and threw the rod.
it's possible.
That's sad. A perfectly good machine was ruined by neglect. I'm kinda shocked you wouldn't have the necessary parts in your stash, since these engines are in everything.
I do believe this engine needed the upper half of the block. I'm just using it for parts right now and I think I know the project I'm going to use it on
Is that a snap on impact
yes it is.
@@HomeGaragechannel may I ask where you got it I want One
I traded a canoe for it, over a decade ago. As for right now, I've never looked for one so I don't know where you can get it.
@@HomeGaragechannel okay thanks
I'm so jealous you got a great deal all my stuff is Milwaukee