Engine won't turn over, locked up? We show how to diagnose and Repair a Briggs and Stratton
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- Опубликовано: 5 фев 2025
- We show how easy it is to diagnose and repair a Craftsman riding mower with a Briggs and Stratton engine that will not turn over. You will learn how to tell if it is an electrical problem, compression release or, in this case it's hydro locked and crank case full of gasoline. We explain why and how to switch from a NIKKI 6 Carburetor to a Walbro style Carburetor. Be sure to change your engine oil and filter if this happens to your machine.
Please take a moment and say a prayer for a fellow youtuber @campingwithsteve his wife just passed away. He is an awesome guy and has a great channel with stealth camping videos.
He just hit 1 million subscribers! So sorry for your loss Steve.
Here is a Link to Steve Wallis Channel
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I want to thank you so much for this video. I am a 62 y/o woman with a TB30r mower and with your help, I fixed my mower all by myself ❤
That's excellent news! 😊
Nice fix.
I’m proud of you 👍 that’s awesome 😎
Cool for you 😊
I just admire anyone who knows their craft like T Bone but….having a personality and the skill to structure and deliver a first rate video is more amazing. Please tell me you have a camera guy or gal cuz I would have to slap my knee if you did your own. Just found you. Subscribed 😊
Good job,I would have done the same thing, like your video, from Steve😊
"So sorry for your loss Steve."
Recent news for me, I felt bad for the guy, also. Classy of you, Sir!
You make everybody else look like their running in slow motion!I'm gonna get one of those shirts!
LOL Thanks so much my friend.
I've stumbled upon your videos and have watched several of them, you're probably one of the best small engines Mechanics on RUclips! Your troubleshooting techniques are impeccable!
Wow, thank you for your kind words.
Thank you so much I think I’ll get it now I was so lost but now I have a good idea where to start thank you
I had a Cub Cadet with a Kawasaki engine that had the same issue. Replaced the carb and I stalled a shut-off and no more issue. I recommend the fuel shut-off on everybody's engines. It just seems safer.
First video I found on "craftsman riding lawnmower won't turn over". I have the same issue. Replaced the battery and it did just as you demonstrated here. So next bit of troubleshooting will be to follow your steps. I'll be recording a video as well and gonna ref you in it. - John
He's an old pro and it really shows. Thanks for a great video, and Equally important, sharing your knowledge and wisdom. great video And job!!! 👍👍👍
Thank you
I have the exact same mower doing the exact same thing. Thanks a million
It’s always a pleasure watching you go at what you do so we’ll. Thank you both so
Much for sharing your time and knowledge with us. Always so informative Tks again.
Thank you for taking your time to leave a comment with such kind words. MrsT and I really appreciate it. Thank you William for watching and commenting.
Your support means a lot to us. Thank you 😊
Great diagnostic video at 5:00! For that reason alone I just subscribed to your channel. 👍🔧
Thanks for the sub!
Thanks for the video! I don't know yet exactly which of them will fix my problem yet, but the clarity of these how-tos will guide me. Keep up the good work!
Thank you so much for doing these videos, Mr. and Mrs. I learn so much from them! I am interested in engines and these videos help me understand them better. The teach me much, and are very useful. I would have no idea how and no confidence to repair one without them!
So I think you just saved me from buying a new riding mower. Unfortunately I've let mine sit in the elements (rain) a couple years. And it does this same exact thing. I guess I'll tackle it in the morning to see if this is the issue. I did notice when I checked the oil before trying to see if it would start with the new battery that the oil was clearish... but still had an oily residue to it.
You sir, are a gifted instructor. You know your craft, you're articulate and you explain things in a manner that is succinct and easy to understand. This is my first time viewing. I've subscribed and look forward to watching more of your videos.
Thank you
Thank you so much for making this video, exactly what I was looking for...I just fix my riding mower thanks to you.
Awesome!!!
You are the best small engine guy on youtube
Even enjoy rewatching your videos
Thanks Rob
Great Video T-BONE!!! Thank you for the help. Had a used mower doing the same thing. Runs great now! Thanks to you!
Thank you Justin, glad our video helped you.
Love your Diagnosis and the steps that are needed to make the next step in your repair . I have been in the small engine repair service for about 25 + years and it amazes me the things that are miss Diagnosis and brought to me as junk and told maybe I could use it for parts . Keep up the great work and videos.
I just split a new starter gear into about 10 pieces on one of these. Same symptoms but I misdiagnosed it. Now in addition to having to do your fix, I have to figure out how to get my old starter gear on the new starter lol!
Dang it !!! 😕 it happens sometimes my friend. You WILL WIN my friend!
I had a similar situation. Popped open the valve cover and the rocker arms were so loose one of the rockers fell off the push rod and was rotated 90 degrees from where it should have been. I pulled the spark plug and rotated the engine to top dead center and readjusted the valve lash. Closed it up and it started right up. It was still running a little rough with the choke open so I ordered the rebuild kit for the Nikki carb from Kohler for about $20. The only parts I changed were the float bowl gasket, float needle, and the o-rings on the main jet and fuel intake in the float bowl. Put it back together again and it runs good as new.
Great job!
I have a craftsmen lt1000 same issue, I am waiting on my new carb in the mail. Will hopefully be working on it over the weekend 👍🏻
Great video 👍
Thank you
Thanks man my deer was locked up I thought it was battery then starter then silinoid because of this video I checked the oil....gas allll in it.
WE had installed a new tractor motor and had it two weeks when the fuel made it to the oil crankcase and combustion chamber. This has happened to us over the years to many times that we decided to install a fuel shutoff valve so we can turn the fuel off when the tractor is parked. Its a nice service valve when servicing the fuel filter and carb too.
I remember when my dishwasher wouldn’t work. I cut off the cable and she had no choice but to play “kitchen”!! 😜
I had the same thing happen on my dad's John Deere and after replacing the carb, the crank seal blew while testing. It locked up before I realized what had happened. What's your thoughts on putting a new seal in each time when she hydro locks?
Enjoyed the video. Very informative
Thank you T Bone and the Mrs. for another great one! Keep em coming, I learn something new on each and every one of them so far!
That's great! You're welcome
***New comment on an older video*** I have an old, 2nd hand John Deere l100 and went through the gambit of ignition switch, starter solenoid, and starter over a month or so of trying and ordering, waiting for it to come in, you know, just like everybody else has done at some time or other. I saw some other fellers do everything to include removing the fan wheel housing screen and use the bolt with a socket and impact driver to turn er’ over a few times, and it worked on the one he was messing with. I’m gonna pull mine open soon, and check that plug for gas, and switch over to the Briggs carburetor like you did. (And a fuel shut-off valve)
T-Bone, Nice Work! Loved the vid, very educational! I appreciate you.
Thank you
Thanks for the video.I have a Troy belt bronco mine is totally different the carburetor is the same but the motor cover is giving me a hard time. I think the screws are hex screws I hope I haven't grinded one down too much. I have been working on this thing for over a week.
Just found your channel we are from west Tenn; you have lots of good information
Awesome!! Thank you!!
Nice comment for Steve Wallis brother, tough times for him, real sad. You are like an Engine Doctor Sir, you make an appointment with your sick engine and Dr T-Bone will diagnose, operate and treat until its better, Mrs T will be your Nurse,,,,witttttt wooooooo. These videos are entertaining from start to finish. You make it look so easy. I cleaned out the carb on my mini bike yesterday, not tried it yet but you inspired me to do it myself. I only had one brass tube looking thing left over 🤣🤣🤣🤣 the first time.
Yes it's very sad, I think @stevewallis is a great guy. Thanks so much for the compliment brother. That is awesome, you should film working on that carburetor. I'm sure you will get her going.
@@RaleysSmallEngines She’s a runner! 3rd kick
Heck Yeah!!
Channel is coming along nicely. Keep em up
Thank you, will do.
Excellent video T Bone, love the way you explain things in your videos well done 👍
Glad you enjoyed it. Thanks so much for the complement my friend
So a few quick questions, why do all manufactures say never use paper filters on Gravity feed fuel systems and second why not clean and rebuild the Carburetor when the only issue was most likely a dirty needle & seat? It is amazing what Hydro lock can lock a motor that solid.
First question. They have no idea what the are talking about. The proper paper filter does a better job and flows perfectly. (50 years experience talking). 2nd question. Due to poor quality fuel with ethanol and poorly designed carburetors that have not high and idle adjustment we just replace junk with better junk. Can I fix them? Yes. Do i? In some cases yes. Nikki Carburetors are not worth the chance I take of a customer coming back with a problem. The real problem is the regulation on small engines when they should be concentrating on their private jets. I can go on and on.
No doubt about the paper filter over the screen filter for cleaner fuel but for me I'm old real old school so I always prefer reworking a carb but you are right time is money & the part is cheap too. @@RaleysSmallEngines
An interesting, and educational video. Thank you for sharing your experience and knowledge to help others. 😊
Thank you
Awesome video - cooters garage for sure - the simpleness of how easy he makes it look for these Briggs and Stratton engines
Thks again
Taft
u know what i did? i bought a complete 1992 Craftsman lawnmower with zero BS on it, i restored it and have been mowing with it for 5 years. i never have problems with it, that's how simple it is. couple mods to the drive pully and the blades. no cam to brake, no compression relief braking, no hydrostatic trans going out. and it was less money to redo an old lawnmower than to buy a new one.
Love the shut off valve, great add on, should come that way to begin with.
I agree 👍🏻
@@RaleysSmallEngines
I automatically add a shutoff to every machine I work on. Doesn’t take much time, $ or effort and shows the customer you care about their equipment, not to mention making it easier the next time it’s in your shop.
I had the same problem about a week ago I smell gas everywhere I thought I had a leak my lawn mower will not start just barely turn over I put a charger on overnight next morning the same thing I checked the oil in it and gas came pouring out the oil stick change oil oil filter repair the carburetor I put inline shutoff valve on the gas line problem solved Thank You For You video
Awesome, glad it helped
Thanks T-bone
Thanks for watching my friend.
First thing is a manual shut off valve and real gas
I had it brought from Oklahoma for years
Now we have it local this year
Great video about a common problem.
Thank you
man, I wish we had guys like you up here in PA. our guys suffer from a bad case of "too obsolete to fix"...just tried to go after basics for a Kubota, and I can't even get tires or an oil filter, now! the cubby's down with a parasitic draw, the bolens is locked just like you described (and the only guy we had contact with for this won't touch it because its starter is so buried that it's too much trouble), the weed eater and a second push mower keep conking out, and we have a dead chainsaw we can't even get going. throw in the fact there's no vehicle here now capable of towing anything...
Nikki Sixx ... rock on brother! 😎
Nice job T-Bone, keep'm coming brother. 👍🏼
Thanks brother, will do our best.
I have no doubts
Great job 👍
Thank you 🙏
total NOOB when it comes to engine stuff, but your vids are super helpful with my riding mower!!! got a quick question - i def. had hydrolock on my engine, that being said do i NEED to change the oil (im assuming 100% need to change the plug) -- thanks again for your vids!!!
Thank you. The oil must be changed if you had hydro lock. Spark plug change is optional
Thank you so much!! I can't even tell you how much I appreciate this video! New sub here, you're amazing.
Glad it helped you. Thank you 😊
Seen your video by just sheer dumb luck and you were dealing with the exact mower with the exact issue's . I found myself thinking god I wish that guy lived close id bring my headaches to you and pay for the repairs gladly . I bet you can build a hell of a go kart motor . Anyways I'm going to order the stuff to do the job myself today . But thanks for the great video I hope it works out for me
😆 glad you liked it, hope it helps you out my friend
@@RaleysSmallEngines god me too my yard is looking terrible and my wife is fixing to kick me out till I get the lawn mowed .I weighed my options and I don't think I can replace her so I got to cut the grass ...I did weigh my options though first lol have a great day
Great video it teaches me what i dont know, thanks Lewis
Take pic with phone of carb linkage connections this will save a lot of frustration and doubt.
I had same issues as you, changed carb, changed oil. still hydro locked, and changed plug too. I am at a loss and not sure what to do next.
If it's truly hydro locked. Only 2 reasons, carb or fuel pump. That simple. Hydro lock is fuel on top of piston, it needs to be drained and blown out. Other common issues are mistaken for this is. Valve lash not at .004 in., cam compression release broken, weak starter, weak battery, loose ground and more. Take your time and diagnose it, check my other videos. It's all covered. Hope this helps.
Did you fix it :)
Excellent diagnosis I love watching your videos I just came across you when I'm subscribing may I please ask how much the updated OEM carburetor cost about please?
nice t bone well done
Thanks brother for the video mate ..
You are welcome, glad you liked brother
U are the man 🇩🇰👍👌
Still runs like a Briggs 👍 🙂 Now if you get in some Raley's flippy flops give me a hola 📣
🤣 too funny. Thanks for watching my friend
I usually set valves on every mower now, no matter what the other problem are , it’s easy and fast to do
I use Hipi carb
I was just thinking about doing the same.
you're videos are the best.
Thank you
Briggs engines are notorious fro cam shaft warping...mine did and I find thousands of others have also,
I have the same thing happened to me I diagnosed it 3 minutes I checked the oil had gas in it right there it is change the oil cleaned out the cylinder put some starter fluid in it started it up run like a bear and now I turn the gas off when I'm not using it and let the carburetor empty before I start
Good video.
Well now this was a interesting video, but besides being a carburetor to me, it almost seemed like it was a valve adjustment problem keeping it from wanting to turnover properly. Anyway, that's what I was thinking but then to find out it was the carburetor.
I know the carb was bad and it fixed the problem when you changed it. But what made the first carb bad to begin with? Is the first carb repairable? What failed on the first one if you had to guess? Thanks, great video.
Yes, repairable. Float valve leaking.
I can't seem to find that Briggs OEM 594593 Carburetor you replaced the Nikki with.. Can you give me any other info to find it? Thanks..
Look on Amazon I just looked one up for $103
This issue should be easily diagnosed before you even attempt to start a small engine. As part of your starting procedure you should always pull your dip stick to check the oil.
That’s a really good point - to always smell the dipstick for fuel. Of course at 5:00 T-Bone covers a range of diagnostics which make this video well worth watching.
Thank you
The parts diagram from Briggs & Stratton shows both carburetors on the expanded diagram. So if I understand you correctly, either type will work and the walbro is the prefer?
The old carburetor number is superceded to a new number which is Walbro style. Don't do the Nikki style, they are junk in my opinion.
@@RaleysSmallEngines thank you. When I called an online parts company, they couldn't give me an answer. I just got the new carburetor today and will double check the part number hopefully I got the right one. Thanks for the clarity of this video
True. Can’t trust the Nikki carbs so put a cut of eather way you go
Hey there I was just wondering what year that mower was that you are working on
Great work T-Bone!
I got that same click click!! 14.5 Brigs. New battery and new starter. Guess it wasn't the starter or solinoid. Next thing see if it fluid locked. It turns hard like yours. I. Thought it was getting wore out by a knock at low speed. But when at higher rpm you barely hear it.
What oil should i use 5w30?
10w30w
good job t bone
Thank you my friend
Just found ya ' - glad i did --subbed!!
Good job
Thank you
My engine had a bunch of fuel in the spark plug and when I drained the oil it was very diluted with fuel. I changed out the oil, filter, carburetor and it’s still locked up not wanting to turn over. Any suggestions?
Make sure your battery is fully charged and cables are tight.
I have a Briggs and Stratton 23 on a Snapper and it seemed like it was dead because it wouldn't even click or anything, finally I got down and wiggled the clutch/ brake switch and it fired up, well while it was running it just completely shut off and won't do anything. So I ordered and new brake/clutch switch and just to be safe a new seat switch as well and put them on. Unfortunately neither one did anything and it won't turn over or click or anything. I even replaced the spark plug. Please any help or advice would be greatly appreciated. I am assuming it is an electronic issue because it won't do anything.
Check out my Just Clicks video. It explains a lot
@@RaleysSmallEngines Thank you bud!
is there an oil tasting video? How do I develop a palate to diagnose the oil content?
🤣 🤣
Great info 👍
Glad it was helpful!
How did you get the gas out the engine?
...enjoyed the video T-Bone....as usual, great diagnosis and repair.....just curious, do you think the problem with the old carb was
a stuck solenoid valve or a float valve that allowed gas into the cylinder?....🙂
Thank you. A stuck solenoid will NOT cause a fuel leak. The problem is, in this case needle and seat along with an O-ring on the plastic piece below the seat. Thanks for watching and commenting my friend.
Got a link for that universal joint?
I have a mower that hesitates turnin over the first revolution, I don't think this is the problem though. it's a v twin that I believe has a compression release lobe on the camshaft and I've read about those having trouble
Look at the video I posted last Friday. Hope it helps.
Thanks man!!!!
Good tech.. good stuff man
Thank you
I had that problem, gas in the oil...it was a bad gas shut off solenoid in the bottom of the carburetor bowl.
Check drive belt I had one like that drive belt stuck to pulley pulled off motor turns over
Hi I have an 18.5hp Briggs that the engine will turn a little and stop at the compression stroke. I can help it past the compression stroke and it then has enough momentum to start. Does that sound like the compression release is not adjusted correctly? On a different video you found pieces of timing gear in the oil would an engine run at all with pices missing like that?
Adjust the valves to .004
@@RaleysSmallEngines I will do that thank you.
Another question I have is the mower I have is a Craftsman 42” deck with a 6 speed transmission that is extremely hard to shift speeds or go in to reverse. It kinda helps to rock the mower. Any advice that can make it shift smoother?
Thanks I’m advance
@@ThatJeepGuyDanI drilled a hole in back of transaxle, added oil.. fixed it..
You make it look easy 😎. Quick question. Do the 18.5 replacement brigs cams last. After replacing them? I'm working on a custom mower project. Went and got a new 08 motor ahhh. Lol. Now i worry 😂. Keep up the good job 👍
Clear and concise! Thank you!
Glad it was helpful!
Great video, thank you. I’ve got a Kohler Command Pro 23 that won’t start. When you turn the key the flywheel and blades turn a hair then stop. Can’t turn the flywheel by hand at all. Changed the spark plugs and no gas came out. Changed the oil and it was dark but seemed fine, wasn’t overfilled. I put a little Marvel Mystery Oil in the spark plug holes and still can’t get the flywheel to move any. Any advice? I sure would appreciate it.
Hey T-Bone, where did you get the oil extractor pump?
I made it out of PVC. I have two videos on it that shows some funny fails in the making. Check them out if you get a chance.
I do the spark plug test if it turns over freely but if I put it the spark plug back in that I know it's the camshaft
Hello! I have a riding mower with Briggs EX1900 intek. Weird thing. I’ve adjusted both valves to .004 It will turn over and hesitate at compression, then crank. If I turn it off and try to crank again, seems the battery doesn’t have enough power. Battery bolts show 12v. Oddly enough, if I turn flywheel by hand to the compression point and then just passed there, the engine cranks fine. Is it bad to continue turning the flywheel by hand to get it cranked? Will that damage anything?
It will not damage it. Make sure your battery terminal bolts are tight also.
Briggs 18 horse piston not moving cranks over fine any idea what the problem is
I changed my carburetor and fuel line but my ride on lawn mower still won't start. In fact I can't even hand turn the engine and that must be the reason it won't start. It turns over but won't start and it sounds like sand paper when it turns over
Where's the oil filter I have a very Similar tractor and I can't find the Oil filter is there one?