How To Test Lawn Mower Compression With NO Gauge
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- Опубликовано: 16 июл 2024
- Are you 100% sure you have a compression problem? Before you start any repair on your lawnmower, check the spark, fuel supply and compression. These are the 3 preliminary tests most small engine mechanics do before they tear your engine apart. In this video, I am going to show you the quickest and simplest way to test your compression without a compression gauge.
For lawnmowers, if you have a compression problem, it’s almost always a valve issue!
👍Please click the like button and tell me what you think of this video in the comments section below. 👇👇👇
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For more videos like this, check out:
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👉Fastest Way To Tell If The Crankshaft Is Bent On A Mower ➜ • Fastest Way To Tell If...
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🔧WELCOME to the Steve’s Small Engine Saloon RUclips channel! Here you will find a vast library of easy do it yourself repair videos for all types of small engine equipment like chainsaws, weed eaters, hedge trimmers, brush cutters, leaf blowers, lawn mowers, pressure washers, generators, riding lawn mowers and so much more. I have been a small engine mechanic for over 30 years and my videos are absolutely loaded with tips and tricks that I have learned and want to pass on to YOU. 🙂
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![How to Fix This Briggs And Stratton Engine With No Compression [EX 550]](http://i.ytimg.com/vi/6jLgATn-WA8/mqdefault.jpg)
✅Click here for a compression tester ➜ amzn.to/2JPWGoa
✅Click here for a clamp ➜ amzn.to/2K4P69t
For more videos like this, check out:
👉Straighten A Bent Lawn Mower Crankshaft With A Pipe ➜ ruclips.net/video/w2Ro9GmEyOE/видео.html
👉Fastest Way To Tell If The Crankshaft Is Bent On A Mower ➜ ruclips.net/video/3up57DHiCqs/видео.html
👉Here's Why Your Lawn Mower Is Leaking Gas - Honda Style ➜ ruclips.net/video/tp67AzWNbI4/видео.html
👉How To Adjust the RPM Speed on a Lawn Mower ➜ ruclips.net/video/7YrA3QEIFnE/видео.html
You can connect with Steve here too:
✅Visit Steve’s WEBSITE ➜ www.stevessmallenginesaloon.com/
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✅Follow Steve on FACEBOOK ➜ facebook.com/stevessmallenginesaloon
✅Follow Steve on INSTAGRAM ➜ instagram.com/stevessmallenginesaloon/
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Steve you can't really check compression with a gauge on these small engines, you have the best solution. Here's the problem. The volume of the cylinder, especially in small stuff like trimmers and chain saws or 4 cycle GX25 and 35 Honda's, is that the ratio of air in the cylinder to the ratio in the line to the gauge and the gauge itself is way too high, if you get 50 or 60 lbs it's a lot, so don't waste time with gauges. The line and gauge are lowering the reading too much. If you've checked everything else, carbs, ignition, etc and you pull your engine apart just make sure you have good valves and rings and the cylinder walls are good and in specs.
Thanks for the video.
Steve, Steve, Steve! I use a fisherman's scale to check compression. I grab the rope start with the scale hook and give it a tug, 8 to 10 pounds of pull to get it to turn over is a good start! Let me know what you get get on the Honda when you unstick the intake valve.
Lawn mower has no compression still
When my spark plug is in, I get a nasty grinding noise while I'm spinning the blade, but its quiet when the plugs out.
You need 4 things for a engine to start. Fuel, Ignition,Compression, and air.
Steve's way of measuring time with amounts of beer should become a world-wide unit of time measuring.
Right on Sam....
Actually back in the day when you could drink beer in car, a drive was measured by the amount of beers it took to get there. 2-3 with in reason.
It reminds me of my home state of Wisconsin. We measure about everything in beer time vs "normal" time. 😁
The dislikes on this video are from folks running out of beer 🍺
This channel is fabulous I’m so happy I found it
Thank You...
Me too
Tks steve! 20yrs maintaining my push mower- Eager 1- Compression Gone! You verified my trouble shooting! Keep up your GOOD WORK- DON!
You're Welcome...and Thank You...
I do not have the gauge so I use this method before and after doing some work in my B&S engine. This thing was spinning like a fan before. After head gasket change, valve lap and setting the valve lash, it bounces back like the daily runner in this video. Nice!
I did lean the mower over some on the 'wrong' side since mine was on the ground. I have no bench or table to put it on to work. It would not start AT ALL. I let it sit for a day. I shot some Seafoam in the plug hole and after a few pulls she fired up and choked out a lot of smoke from the oil. After a minute, the smoke cleared and it starts on the first or second pull when cold and first after running a minute or so. My 1998 Craftsman it alive and kicking still.
Steve i had two Honda mowers which i could not repair but after watching your videos i fixed them both. Thank you. very well explained. The best video on mowers.
Thank You...and You're Welcome...
Steve-I’ve been a teacher for 19 years. If I was evaluating you I would give you an A+. Your descriptions are so thorough and clear. I learned a ton from your channel. Thanks and keep up the good work.
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i needed this video so badly, i usually try the rope pull. but this gives me another way to test.
Thx Steve i need to quit being cheap and buy a tester haha
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Thanks for the info Steve -cant wait for the sequel.
You looked like a vintage aviator starting the plane engine!
I'm never going to be the guy that can completely rebuild an engine, but your videos have taught me all the things I have to look for. Bad gas, dirty air filter, spark plug, no compression, too much oil making smoke, or pinching off/removing the gas line to check/clean the carburetor... So like I said, I'm not the guy that can rebuild all this stuff, but now I'll never be the sucker that throws away a mower before it's been worked on. I've become "informed" in less than a week. Thanks.
Right on Danny! You're Welcome...
Steve's channel is one of the best channels on RUclips. If you do commercial mowers, how about a video showing how to service the drives? Thanks for what you do!
I've learned so much from this channel! I love two stroke engines. They are so simple and reliable.
You and Mustie1 are the best! My two favorite channels.
Thank You...
And Taryl and Donny Boy.
Diddo!
Two of the best people on RUclips.
You have impeccable taste...like me!
Great job Steve, thank you for telling us Why, & not just how to fix something! The Why is the logic behind a mechanical device & is essential for learning & proper diagnosis of a machine. You confirmed my question & suspicion on the "Riding mower dirty little secret" video on the mower deck blade sealed bearings, the last time I replaced them. There were no grease fittings on those housings so I left the seals on. The bearings only lasted a year! I had just seen your "dirty secret" video in June 2019 when the bearings started growling again. This time I bought zerk grease fittings, tapped & installed them in the 2 housings & modified the seals as you described on the video. The cheap grease was so thin that compressed air easily blew it out! I repacked them with Mobile 1 synthetic grease, filled the housings with the same grease, thru the grease fitting & installed the top bearing. Now they will last longer. Thanks for sharing brother!
Quality content everytime, steve your doing a great job. Excited about the next video 👍👍👍👍👍
Thank You...
Once again you do not disappoint!! Looking forward to the next video! Thank you Steve!
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I appreciate your videos! I've watched a few by now and enjoy your easy no-nonsense approach. You explain and demonstrate things in a way as to make it easy to understand. Keep up the good work!
Wow, thanks!
Steve is a gem. I enjoy watching his vids even if all my tools are running great. Great fun and very informative.
Great to hear!
Awesome video Steve ! You can also test for spark at the same time , just hold on to the sparkplug wire with your other hand ! ! You will need the rest of the beer to recover from that one . Lol
LOL! Done that more than 2 times....
Steve. You are the man. Always learning something new from you. Thanks for your videos. I watch em alot. Cheers brother!
Thank You...and You're Welcome...
Excellent presentation! Great info. My " GO TO " whenever I need a great source of info. Easy to understand , concise and to the point. Where do I send you some beer.
Steve - your channel is a lifesaver for novices like me. You save me so much money and educate me at the same time. You are the only channel I donate money to. Real quick - what should be the average compression if we do hook up gauges. (I bought the briggs and stratton motor book - and they only tell you to buy their leak kit) So now I need to know what the norm is.
Great tip, keep them coming , it helps a lot , I have been a DIY all my life and still learning all the time. Thanks , your the best !
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Glad I came across this video. Been trying to figure out why my mower wont't start. I have tested and tried many things on the mower and just couldn't figure out what was wrong. Last thing is to check the compression by using your trick and wahlah, my mower has no compression at all. Worked on the OHV valves and now my mower is running fine. Thank you
Great to hear!
Steve in honor of you and your great videos, i cracked open a Heineken and had several sips. I'm looking forward to your next video on the lawn mower teardown. Great video on compression.
Thank You...
guess i need to watch the next one because that is where i'm at. As always, thanks for taking the time to share your knowledge and expertise.
Steve puts everything in laymans terms. I've always worked on my own equipment and sometimes never to figure out the problem. Steve makes it easy to troubleshoot the problems and then shows exactly how to fix the problems in the most efficient way possible.
Thank You...
Thanks for the tip! At work I always pull the plug and screw a pressure gauge and roll it over. Your tip is great if your say out and about looking to buy a used ditch mower. One of my customers makes a living reselling mower finds. She finds cheap or free mowers and brings them to me to fix so she can flip them. She will love this tip.
Love your videos Steve! Very straight forward and no BS.
Thank You...
Now that's an easy and quick test. Thanks for making it so clear and entertaining.
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Thanks to these videos, I have brought 3 mowers and a tiller back to working order. Great stuff on a level I can understand.
Glad to help
Never too old to learn. Great job Steve !! Thanks 🙏
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Always wondered! Never asked anyone, or watched videos! Until yours! Thanks Steve!
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Larry, NC
Steve, love your videos. Please do a video on what to look for when buying a used push mower. This compression video was very helpful.
I happened to watch the intake valve video before watching this particular video. I already knew the biggest possible answer on why there was no compression on the second mower. Your videos are quite educational and to the point. Subscribed!
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Thank You Steve. Some great tips! I am looking forward to the teardown on the engine with no compression! Have a great day.
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Quick and easy tip on quickly checking the compression on a lawn mower, thanks for sharing Steve!
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Steve I look forward to your videos,I always learn something new.
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ME TOO, ME TOO - just regarding small engines Steve is always PRICELESS ;- )
Best small engine repair channel on youtube. Informative and entertaining. Thanks!
Wow, thanks!
he knows how to help you. best u tube so far------ low comp
I love this channel! Thanks for saving us money and making us smile.
Thank You...and You're Welcome...
I like watching your videos. You do a great job illustrating how to do things. I learn something new each time.
Awesome, thank you!
Hey Steve thanks for the videos you put out. I myself have messed with small engines most of my life. But I find Time After Time watching your videos simpler Solutions the problems that I have run across okay, then what I would normally go through. So basically thank you for keeping it simple for stupid
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That was a nice first check though! I first do an ignition test after pulling the boot,, then pull the spark plug and install a compression guage before the going any further. Cheers Steveo! Luv ya man!
Thanks Steve. Just started fixing mowers for a Hobby. I should have watched this Video first before jumping into the repair. I just spent 4 hours trying to fix a mower with no compression.
Glad to help
You are the small motor man that rules.Great info as usual Steve.
Thank You...
Thanks for this video just diagnosed a Toro with a kholer engine w/ no compression, and the blade spun like a boomerang. lol Thanks bud.
Steve I really enjoy your vids that was a fantastic tip!
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EXCELLENT EXCELLENT EXCELLENT!! 👍👍👍 Your still “The Best” Steve, thank you so much for sharing your vast knowledge of small engine repair. You should put all this information in a book and sell it. Thank you Sir.
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Nice quick easy way to test compression. Thanks Steve!
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Nice, simple, cost-nothing, way to check for compression. Awesome! 👍🏼🇨🇦
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Thanks for all the great info. I'm a beginner but I like it! It is a great feeling to fix something yourself.
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Love your video, it is both informative and educational, fun to watch too. A big thank you.
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Great video, Steve. Now I know what to check. Great channel, so glad we are subscribed!
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so tempting to go check my mower right now, at 11:58PM lol
Right on
just found this channel and its awesome. cant stop watching
Welcome aboard!
hey Steve great video man keep it up.and keep it coming you are great lots of good info.have a good day .love from california.
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Great tips as always, Steve. Hands down best small engine saloon on RUclips.
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Excellent video. Entire channel is fantastic!
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Thank you steve you been so helpful for me i always watch you videos and leaning something!!
You are so welcome
I have watched your videos for quite a while now and I don't think there's any more I can learn learned everything from chainsaws to lawn mowers and download everything from your videos mostly on how to check everything set carburetors whatever it is a small engines I guess what I'm trying to say is goodbye good luck with your RUclips videos you've been a great help to me and I have a notebook full of stuff I've written down that you have gone over in your videos well good luck
I really enjoy your videos. You are a very good teacher!
Thank You...
Thanks for the tip...I'm diagnosing my old 2004 snapper ninja and I thought I might have worn rings. I tried this and the blade bounced back very fast just like this mower. It started when I tipped my mower upside down to change the oil (6.5 HP quantum xrm Briggs & Stratton) and now it won't stop smoking after never smoking before. The dipstick went from 'full' to 'add' in just two mows it's burning so much oil.
Thank you, thank you! This is very good tip! It saves a a lot of headaches and precious time!
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Steve, great advice and fun to watch!
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Another great tip Steve. Keep them coming.
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A top channel with all the practical tips that work for the average folk like me.
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4 Cycle engines need 4 things run, intake (fuel), compression, ignition (fire) and exhaust. But who’s counting, great video for quick compression check. Or 4 swigs of Coors. Thanks good stuff.
Steve, I am from Trinidad west indies, all your video is so helpful I learned a lot from all your video to repair all my small engines, may God bless you with long life and good health thank you. 👍🙏🙏
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I always learn from your vids Steve. Thanks.
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I like the way you showed us how to check the mower for compression. I have a riding mower which I have to check out since it have been sitting since last year and I want to get it running and put it into service.
@Frank Maggard Thanks for that information since my mowers are run off of belts.
Air is also a key element Steve but I've also neglected to mention that more than once myself ; ) Keep up the great work and congrats on the 146k+ subscribers.
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great video mr. steve. cant wait for the next one.
Right on Dougy....
Thank you so much for the video. I feel like a family member or a good neighbor just took care of me and showed me how not to get swindled. Thank you very much sir.
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Can't wait for the following video!
Always a beerworthy video, Steve! Thanks!
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Awesome video Steve. Your the best teacher of small engine repair I've seen thus far.
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I was given the exact same mower with nearly identical issue - 1 day after viewing your video. Lol
True story - no joke. I know what to do next 👍👍
Steve, I have enjoyed your tutorials and use them to great affect in my own practice. I learned, early-on, that fuel, fire, and air are the three elements necessary for an internal combustion engine to run. This does not account for compression, which means that compression is the fourth element. I, personally, have adopted the four-element explanation...Fuel, Fire, Air, Compression. Thank you for the clarification and keep up the good work, brother.
Excellent!
I learn something every time I watch this videos. Thanks.
Glad to hear it!
Another great job my Canadian brother 😀😀😀😀as always
Thank You...
Thanks for making these videos, you hade me fix my stihl that wasnt revving in 2 minutes.
Great to hear!
Thanks for posting this video Steve!
Our pleasure!
Thank you, you are such a positive personality.
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Awesome video. Just taught this middle aged dog a new trick. Thanks and keep up the good work.
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Been struggling getting this old lawn mower up and running. It was inactive for a long time. I have done the following: Replace gas tank and line, cleaned old carb and then replaced carb twice with new ones from Amazon, replaced air filter/prime bulb mount, gasket and filter, pull cord, control cable, spark plug, reset igniter gap, checked flywheel brake alignment. Pulled carb fuel bowl nut to make sure fuel is getting into bowl. It primes fine as far as I can tell, meaning if I look into the carb in can see gas coming into the carb. It only turns over for a couple seconds with starter fluid. Turned it on its side and I get no kick back when turning the blade. Put the compression tester on it and only got 60 psi and it's bleeding off.
Love the videos. U have helped me multiple times with different small engines. Thank you. Let’s hit the like button and show our support and appreciation.
Thank you very much!
Great info all the time keep up the good work !!!
Thanks, will do!
I'm ready for the next video, Thanks Steve👍
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Yet another very good video Steve. So sorry for your recent loss of your Brother may he rest in peace.
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As always great videos. Thanks!
Our pleasure!
Really enjoying your videos 👍
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Nice demonstration, Steve ! Thanks !
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Great stuff as usual! I wish you could show how to check this on chainsaws, weedeaters and such
Another great video. You've saved me alot of money with your excellent video's.
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Good tip Steve. I need a video on how to change belts on a Snapper self-propelled lawn mower. I saw the one on how to tighten the belt by adjusting the cable.
Steve! Great tip!!!!
No need for compression tester as you say!!!!!!!
Thanks for the tip!!!!
Be well, be safe!!!!
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More good info. Thanks Steve.
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Great tips, my friend. I have tools and gauges but not everyone does and this might save a lot of folks money trying to fix an engine that's beyond repair. First thing I do with all small engines before I start tearing one down or changing parts is check the compression. Cheers.
Right on Marty! Thank You...
Great little tip. I bet this would work for the trimmers as well if I could temporarily attach a long bar to the part that spins. I'm thinking a magnet and foot-long metal bar.