Mower won't start after hitting an obstacle - Simple Fix it!
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- เผยแพร่เมื่อ 11 ก.ค. 2024
- LINK BELOW TO BUY FLYWHEEL KEYS \/\/\/\/
What to do when lawnmower won't start after hitting an obstacle, like a rock, tree root.
What small engine repair people don't want you to know. 6.5 Briggs in a Toro Self Propelled.
Lawnmower hit something now it won't start
"I hit a rock...now my mower won't start" - How to fix it
Lawnmower Hit Something Hard! Won't START or RUN
Change flywheel key in Briggs and Stratton
Tools and parts used in this video
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Briggs alternator - amzn.to/3ezEP5m
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Briggs OEM Flywheel Puller (there are 2 common sizes, will need to know the width for the one you need)
amzn.to/2SvjUb6
amzn.to/3yF0Yr0
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Universal puller (you will likely need to get a couple bolts from your local hardware store that fit the flywheel) - amzn.to/3vu3VbQ
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Flywheel Keys - amzn.to/3bYo2r1
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Hurricane Canless Air - amzn.to/3eDdDm8
The previous are affiliate link, every purchase helps out the channel but costs you nothing extra. Thanks!
00:00 The problem - mower won't start after running over something.
00:15 Remove spark plug wire before working on mower
00:25 Check the blade for damage
01:38 Take apart the top plastic
02:58 Remove the flywheel
03:27 Find and examine key
04:26 Replace sheared key
05:32 Reinstall parts
06:37 Restart but don't for get spark plug wire - แนวปฏิบัติและการใช้ชีวิต
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Thank you very much, just hit a stump I'm sure it's the same issue.
Also watching from our view you trying to start the mower with plug wire off was very comical.😄
But again very thankful for you taking the time to make this!!!
Thanks Mike! Pretty sure this will be your problem. Happens to me about once a mowing season. Now I just keep extra keys on hand :-) Thanks for watching!
@@loislane4583 Did you tip the mower over when you were working on it? If so, that can sometimes cause it to smoke on startup but it will go away in a few minutes. But it is also possible you bent or broke something internally when the flywheel key was damaged. That is worse case obviously.
@@theeddies It was never tipped over or turned on its side. I had a brick under it to keep the blade from turning when I was working on it. It is possible when I ran over that root in my yard it bent the blade and bent the rod holding the blade. Ive had this thing since 2005 and shes been a good girl all these years. It might be time to put her out to pasture if tomorrow with new oil it still smokes.. Its a white smoke btw.
@@loislane4583 If it is burning white smoke and does not stop, was never on its side or over full with oil, etc., it does sound like something internally is wrong. Could be a bunch of different things, none of them good. 16 years is a good run, unless you want to do a deep dive into it, it may be time. Sorry for your loss. :-(
@@theeddies 😭
Simple fix! Step one disassemble entire mower
Lol, yeah right😹
Step 2 ☝️brother
Some nice guitar licks going on there!!
Good video, helped me out and I hit a bit of steel plate in long grass. Cheers
Glad it helped. Best!
Awesome!
Thanks.
You forgot the plug? hahaha😂! Great show thanks I learned a lot today!
Thanks!😁
Thank you very much 👍🏻
You're a life saver!
glad it helped.
Thx - I might have this issue on a Mountfield 1538h sd. I hit a piece of wood. The engine turns over when I try to start it but won't engage. I'm going to try your fix.
I just waited a half-hour and it ran fine. No problems.
That wont work in this case
Wonderful video well done.
Thanks!
I'm a lady and just explained to my neighbors son how to fix his just like this. My daddy was a shadtree mechanic I learned a lot.yeah.thanks Jr.
I just hit a root... will try. Great vid.
Thanks! I hope it helps
Good video thank you
Thanks!
First time I ever heard about a key
thank you so much i repaired mine :D
Awesome, glad it helped!
Thank you
Glad it helped. Thanks!
I don’t know if this is my problem yet I will look but what a good video straight to the point, spark plug helps yeh 😆
Thanks! Hope it helps.
This was exactly my problem 😂 many thanks !
@@grantm4400 Awesome!
Excellent I'll check if that's my problem. How do you keep the side door grass chute open, mine slams shut.
Thanks. Bailing wire or zip ties. Drill a hole in the chute and there is usually a ledge or notch under the cover that can be used to cinch it up. I have thought about better more complicated ways but this one is simple and works.
@@HuskyGamersUNITE It works just fine with the door up. You don't need an angled chute and if this one had one, it is long gone.
First time I ever heard about the key
My lawn needs urgent attention and its 98*f with 100% humidity. This is last thing i need!
good
thanks
Me too, stump!!! Uggghhh thought my self propelled was screwed
Hope it helps. Thanks!
My lawnmower starts ok but sometimes after we stop to empty the mower bag it doesn't start until it cools down and sometimes the motor will hesitate like a gasp of air if it hits or bumps into an object but does still stays running. Could it still be the key that might not completely gone or the shaft is gunked up enough that won't start once it's hot due to the gunk being soft and by cooling down the shaft will grip again? Does that make sense? Thanks for any opinion you might have!
Hello, it is not likely the key but it could be a failing coil. The key is very easy to check by taking the top cover off and looking at the flywheel, it will be obvious if it is broken or askew. Measuring a coil is difficult without the right tools but is easy enough to just swap a new one. But, I would start with the suggestions on the following page, they lay out the common causes better than I can in a comment. Most just involve cleaning of various parts or general tune up stuff.
yardandgardenguru.com/lawn-mower-wont-start-when-hot/
Best!
Eddie
Okay, thanks Eddie! I'll look into it a little bit more.
Is this still problematic?
🤨 I don't know what you just did. I heard you say something about a bunjee cord (I didn't hear or see why you mentioned it). Then you put the key somewhere, couldn't see that either. Oh hell, this over priced repair shop is going to get some money our of me again, tomorrow 😑
Thanks
do you have a part number or link to order that part?
Hey, thanks for watching. I just added a link to the description. Best!
I hit my blade on a ditch water pipe and it wont start what can I do.
I cant find the right socket to take the flywheel off? Is it an odd size? Seems rather large. Everything I have is too small, or too large. Whats the socket needed for this?
Unfortunately I have seen them all different sizes. The one on this machine was 15/16" or apx 24mm. But I believe I have seen them in 3/4" and 7/8" as well. And some newer ones could be metric. Thanks, Eddie
@@theeddies So I got the right socket but its impossible to remove the nut... Ive had this mower since 2006 so im guessing its going to take a nuclear bomb to dislodge it, or an impact wrench which I dont own.
@@loislane4583 Heat and PB soak? Wedge the blade and mower and a lever the length of the world? lol. Plan on a new blade though.
I’m having some trouble getting the nut on the fly wheel off every time I turn it with my ratchet the whole thing turns along with it. Any ideas?
Hello, if you do not have access to an impact gun (air or electric) you will need to hold the flywheel somehow or stuff the cylinder with rope to keep it from turning. Briggs makes a tool to hold the flywheel or you can use a strap wrench but you will likely have to remove the coil for the latter. DO NOT try to hold the flywheel with a screwdriver through the fins, they will break. The rope trick is not hard but if you have overhead valves you have to know that the engine is on the compression stroke. You can find out how to do it by searching "rope trick to remove flywheel bolt". There are other methods you will find online but I would not do them. Impact gun is really the way to go, even a small one will likely work. Buy, borrow, or steal:-)
Best!
Eddie
@@theeddies thanks for the response, I’ll try to get an impact driver
What size of socket did you used to take the flaywheel out?
I believe it was 19mm on this machine.
@@theeddies Thank you
Mine is a troy bilt and it's bigger than 19mm. Dammit.
15/16ths@@theeddies
I was thinking sheared flw key
I hit a metal water cover/lid it starts up but hella shaky when running
might have bent the crankshaft
the key on mine is not broken but still a no start with a new coil
Ok so I hit a stump a few weeks ago and when I checked the key on top and the key on the blade area they was both good changed them anyway cleaned out the carb dumped the gas tank cleaned it also did an oil swap AND STILL! She runs for 3 seconds and just turns off. Mower is only 2 years old. Could it be a loose belt? I changed spark plug and air filter as well and she won't stay on!
Hello,
Hard to say without seeing it. Does it vibrate while running? What model of mower is it?
Check the governor
@@theeddies Mine acted the same way. The governor was knocked out of place.
Dude it says on the engine cover guaranteed to start xd
Good job SKIPPING OVER THE HARDEST PART OF FNING PART OF THE JOB
My bro in law hit a thick root. Pull start is stuck. blades look off alignment. The belt looks loose. I can turn the blade with a ratchet, but it is hard to do. Hopefully The key is what froze it.
I hate to say this but that sounds more like a bent or broken shaft. The key coming loose does not make the engine stuck.
@the_eddies Thanks. lol
would the blade being off prevent a start?
The blade has nothing to do with it starting with the flywheel key That Shears
Thank you for the video! It has been extremely helpful, and now I, at least, believe I understand what the issue is, with my mower. I've been mowing my 1 acre property with a push mower, ever since I moved in. Some sections, along the outskirts, had gotten quite long, and this past time, I ultimately ended up hitting a rock that wasnt visible at the time. Now my mower won't start.😑 I wish I knew someone who was able to help me fix it, but I haven't lived in the area very long, and I'm all on my own. Taking appliances apart is definitely not one of my areas of expertise, and I'm afraid I might cause even more damage if I try to do it myself!😢 If there's anyone who lives in southeast Texas who might be able to help me, please let me know! I am obviously willing to compensate anyone who can get it working again! The mower itself if only a little over a year old, so it should be in pretty good shape, aside from this issue!
What’s the name of the key
flywheel key
I ran over a rock now the gas is leaking. Can that be fixed
Where is the leak coming from?
How is this Simple
Completely skipped over the removal of the large nut and never mentioned the size of the nut OR key way. Wtf?
This is not a simple fix! I ran over a tree root and now my lawnmower will not start. It’s an electric start. How can I tell if there is even a key or if it got sheared? There’s no way I could do that myself and I would take me like an hour even if I could. This lawnmower is garbage. I’m never buying a Honda again. I can’t run over anything without having major issues. Fortunately it started having problems after using it four times and I was refunded the money, but I think the solution is just buy another one because we never had this problem with another brand, I will never buy Honda again.
I'd rather just buy another 200 one and never run over stumps again
No thanks. Id rather take it to a shop. My life is complicated enough
My mower used to start on the first pull I hit a root. The mower stalled and now it takes 4 or 5 Poles to get it to run any idea why. The flywheelchair is not sheared
so I hit a jacket like a small jacket could this be why it’s not starting it’s brand spanking new lawn mower just got it yesterday I can’t have this messing up on me like this I have a huge thick yard to cover 🫤
A jacket? Like a coat? That does not seem enough to cause this problem but possibly. If it made the mower stop suddenly it could have.
Wouldn't it be a whole lot easier just to pick the rocks up out of the oven you hit one